ASVAB Study Guide Exam Questions with Complete Solutions, Exams of Computer Science

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ASVAB Study Guide Exam Questions

with Complete Solutions

Ohms Law: - Correct Ans: Opposition to the flow of current. Pharynx - Correct Ans: further filters the air and aids in protections against infection Phenotype - Correct Ans: genes that express themselves in physical characteristics ex: eye color Genotype - Correct Ans: genetic make up, including both dominant and recessive alleles. Allies - Correct Ans: a gene which consists of hereditary factors The Nervous system - Correct Ans: Controls the functions of the body and receives stimuli from the environment Spinal Cord - Correct Ans: major connecting system between the brain and network of nerves. Carries impulse between all organs and the brains is also the control center for many simple reflexs. Epiglottis - Correct Ans: Closes when swallowing to prevent food from going down the airway into the Trachea Ecology - Correct Ans: Study of the interrelationship between organisms and their psychical surrounding. Ecologist employ a similar set of terminology Biosphere - Correct Ans: Zone of planet earth where life naturally occure including land, water, and air extending from the deep crust to the lower atmosphere. Biome - Correct Ans: Major life zone of interrelted species bound together by similar climate, vegetation and animal life

Medulla (Brain stem) - Correct Ans: connection between the brain and the spinal cord. Controls involuntary actions (Breathing, swallowing, beating of heart). Cerebrum - Correct Ans: the major part of the brain. Thought to be the center of intelligence, responsible for hearing, seeing thinking, etc Ecosystem - Correct Ans: a system made up of a community of animals, plants, and other organisms as well as non-living aspects of its enviornment Community - Correct Ans: the collection of all ecologically connected species in an area population - Correct Ans: a group of organisms of the same species living in the same region Producers (autotrophs) - Correct Ans: make their own food vi photosynthesis Decomposers (bacteria/fungi) aka saprotrophs - Correct Ans: break down organic matter release minerals back into the soil Scavengers (vertebrates, vultures, jaklas) - Correct Ans: consuming refuse/decaying organic matter ex: carrion/decaying fish Consumer AKA heterotrophas - Correct Ans: animals that consumer other organisms to survive Primary Consumer (herbivores) - Correct Ans: eat plants Secondary Consumers (carnivores/ omnivores) - Correct Ans: eat primary consumers ex: wplves, lions, sharks Tetiary Consumers (top carnivores) - Correct Ans: capable of eating secondary conumers

Geology - Correct Ans: is the science that deals with the history and composition of the earth and its life, especially as recorded in rocks Central nervous system - Correct Ans: contains all the other neurons found throughout the brain / spinal cord Cerbellum - Correct Ans: a big cluster of nerves tissue that forms the basis for the brain. Concerned with muscular coordination and the coordination of impulses sent out from the cerebrum Gene - Correct Ans: unit of inheritance Pathway of the Heart - Correct Ans: 1. Superior Vena Cava 2. Pulmonary Artery 3. Right Atrium 4. Right Ventricle 5. Pulmonary arteries 6. Pulmonary Veins 7. Left Atrium 8. Left Ventricle 9. Aorta The autonomic nervous system - Correct Ans: regulates involuntary action in the heart, stomach and intestines heart - Correct Ans: 4. Chambered pump with two collection chambers called atria and two pumping chambers called ventricles Circulatory system - Correct Ans: transport nutrients throughout the body and get rids of waste Right atrium - Correct Ans: recevies deoxygenated blood from the vena cava Broncnioles/Alvelus - Correct Ans: 1.When the bronchi further subdivide into smaller tubes 2. Each Bronchiole ends in a small sac. The oxygen from the it enters into blood stream of a capillaries. Diaphragm - Correct Ans: system of muscles that allow the lungs to expand/contract drawing ir in and out Trachea - Correct Ans: further cleans air. Tranchea branches into left/right bronchi are two tubes that lead to the lungs

Right Ventricle - Correct Ans: pumps blood through the lungs through the pulmonary artery Pulmonary Vien - Correct Ans: where oxygented blood returns and than travles to the left atrium than to the left ventricle, aroato, arties, body Valves - Correct Ans: help the blood from flowing backwards into the heart Arteriotes - Correct Ans: Smaller arteries, which supply blood to the tissue via the capillaries Arteries - Correct Ans: carry blood from the heart ti the tissues of the body. Thick wallled, conduction oxygenated lood at high blood pressure Viens - Correct Ans: Carry blood back to the heart from the capillaries. Thin-walled, conduct vlood at low pressure, contain many valves to prevent back flow. No pulse. Dark red deoxygentated blood Capillaries - Correct Ans: thin wall vessels, very small in diameter. Permit exchange of materials between the blood and the bodys cell (diffusion) Red blood cell - Correct Ans: oxygen carrying cell White blood cells - Correct Ans: fight infection by destroying foreign organisms platelets - Correct Ans: cell fragments that allow blood to clot. All blood cells created in bone marrow, located in the center of bone. The digestive system - Correct Ans: responsible for breaking down foods into material the body ca use for energy and body building Digestive tract - Correct Ans: essentically a ong nd winding tube that begins at the mouth and ends at the anus

Digestion Process - Correct Ans: 1. Mouth (teeth. tonuge = mechanical digestion, Saliva = being to break down startch) 2. Esophagus: pushed food into the stomach 3. Stomach : food is mixed with gastic acids and pesping, helps breakdown Protein 4. Small intestine 5. Large intestine 6. Kidney 7. Rectrum 8. Anus

9. Urthera Small intestine - Correct Ans: bulk of digestion takes place. Fid us broken down by enzymes (produced in the walls of the small intestine, pacreas, and liver) Lipase - Correct Ans: changes fat to glycerol and fatty acis Pancreatic amylase - Correct Ans: breaks down complex carbohydrtes into simple sugars Trypsin - Correct Ans: converts polypeptides into amino acids Large intestine - Correct Ans: waste/minerals in the waste matter are absorbed back into the body Kidney - Correct Ans: chemichal waste such as excess salts, minerals, waters, are filtered from the blood by the kidney and secreted into the urine Water - Correct Ans: for survival Carbohydrates - Correct Ans: metabolism fats - Correct Ans: provide energy for metabloism vitamins - Correct Ans: psysocilogical process ex: bone hardness, healthy gums Fiber - Correct Ans: provides bulk, allows large intestine to carry away waste matter

Protein - Correct Ans: body maintence, growth, repair Arthrophads have.. - Correct Ans: exoskeltons (external skeleton) ex: insects, spiders Verterbrate have - Correct Ans: endroskeletons (internal skeletons) ex: man Bones function - Correct Ans: main support of the body, protect vital organs, produce blod cells, store minerals ex: calcium ligaments are.. - Correct Ans: the connecting bones to bones joints ex: elbow, knee, finger Respiratory system - Correct Ans: the process by which blodd cells absorbs oxygen and eliminates carbon dixoide and water vapor Nasal Cavity - Correct Ans: filters, moistens and warms the air epiglotties - Correct Ans: closes when swallowing to prevent food from going down the airway into the Trachea Spinal Cord - Correct Ans: major connecting center between the brain and network of nerves. Carries impulse between all organs and the brain and is also the control center for many simple reflexes. Nervous System - Correct Ans: controls the functions of the body and receives stimuli from the environment Alles - Correct Ans: ... One thousand meters is a... - Correct Ans: kilometer One one-hundreth of a meter is called a.. - Correct Ans: centimeter

Fahrenheit = - Correct Ans: 9/5Celsius + 32 Celsius = - Correct Ans: 5/9(f-32) Element - Correct Ans: a substance that cannot be separated into different substances by ordinary chemical methods. Atom - Correct Ans: The smallest component of an elment that still retains the properties of the element Proton - Correct Ans: A subatomic particle found in the atmos nucleus tht carrues a positive electice charge Neutron - Correct Ans: A subatomic particle found in the atoms nucleus that carries a positive electric charge Electron - Correct Ans: A subatomic particle that orbits the nucleus of an atom. An electron carries a negative charge and has a miniscule mass. An atom has thw same number of negative electrons around the nucleus as the number of positive protons in the nucleus Molecule - Correct Ans: The smallest particle of an element of compound that can exist in the free state and still retain the characteristiccs of the element or compound. The molecules of elemens consist of one atom or tow or more similar atoms; the molecules of compounds consist of two or more different atoms. Conduction - Correct Ans: Is the simplest method of heat transfer. It is accomplished by direct contract. Metals are generally goo conductors of heat. Wood styrofoam and plastic are poor conductors of heat which make them good insulators Convection - Correct Ans: is the transfer of heat unevenly in a liquid or gas, lowering the densisty of the heated liquid or gas, which causes it to rise and the cooler liquid or gas to fall. The resuliting circulatory movement is termed convection.

Radiation - Correct Ans: occurs when electromagnetic waves transmit heat. The heat we get from the sun is called radiation atomic number is.. - Correct Ans: the number of protons in the nucleus and the number of electrons orbiting its shell Protons have a ___ charge - Correct Ans: positive Neutrons have a ___ charge - Correct Ans: neutral Electrons have a ____ charge and - Correct Ans: negative; are in motions around the nucleus Shells - Correct Ans: the various orbits that the electons occupy around the nucleys Conductor - Correct Ans: is an element that freely conducts electricity Insulator - Correct Ans: Does not conduct electricty at all Semiconductor - Correct Ans: is neither a good conductor nor insulator , but hs s ome remarkable properites that make it very useful for making electronic compnents Electron Flow Theory - Correct Ans: electrons flow away from areas of excess negative charge, to those with deficiency of negtive charge Voltage - Correct Ans: Electrical pressure Current - Correct Ans: The rate of flow of electrons through a conductor, it is measure in ampes which is one coulomb. One coulomb id the amount of a chare in 6.25 X 10 ^18 ` Direct Current - Correct Ans: means that current only flows one way in a conductor

Altering Current - Correct Ans: when the current flowing in a conductor changes direction many times in a second Resistance - Correct Ans: Opposition to the flow of current. F = - Correct Ans: 9/5C+ 9/5 = 1. C = - Correct Ans: 5/9 F + 32 = 5/9 =. Volume - Correct Ans: the measurement of three-dimensional space Mass - Correct Ans: as the ammount of matter that something has Weight - Correct Ans: as the force exerted on an objects mass by gravity Velocity - Correct Ans: the rate at which an object changes position displacemnt of any object / time Force - Correct Ans: is the push or pull that forces an object to change its speed or direction, Unit of force is called a newton Work - Correct Ans: as the force exerted on an object times the distance moved in the direction of the force. Work = Force X Distance Momentum - Correct Ans: the tendency of an object to continue moving the same direction

momentum = mass X velocity Acceleration - Correct Ans: rate of change of veloicty acceleration = change in velocity / change in time Energy - Correct Ans: Capapcity to do work Potential energy - Correct Ans: energy storied in an object as a result of its position shape or state Kinetic energy - Correct Ans: the energy possessed by a moving object Engine - Correct Ans: generates power to drive the vechicles wheels and varrious accessories Cooling system - Correct Ans: removes excess heat from the engine Lubrication system - Correct Ans: circulates motor oil though the engine to reduce friction and make the engine run smoothly Fuel system - Correct Ans: ensure that correct amounts of air and fuel are aviable for efficient combustiin in the engine Ignition system - Correct Ans: generates and time the spark that initiates combustion Exhaust system - Correct Ans: forms a "pipeline" for watse gases to be removed from the engine and then to be dissipated to the open atmosphere Emission Contorl System - Correct Ans: helps limit toxic vechicle emissions Electrical system - Correct Ans: includes starting, charging, light and acessosry systems

Computer system - Correct Ans: Contorls all aspects of vechicle operations, including engine, dirve train, brakes, and suspensions Drive Train - Correct Ans: transmits power from the engie to the vecicles drive wheels Suspension and stering - Correct Ans: Controls the vehicles ride quality and handling Brake system - Correct Ans: stops the vehicle safely and predictably The Engine most used in automobiles are known as.. - Correct Ans: internal combustion engines Internal Combustion Engine - Correct Ans: Fuel is burned internally and the resulting heat is used directly to power an engine. They can be fueled with gasoline, diesel fuel, other petroleum as propane or natural gas. It needsa air fuel and heat source that can be used to ignite the air-fuel mixture Engine Block (Component of the internal combustion engine) - Correct Ans: forms the frameowrk for the engine cylinders and reciprocating assembly Piston ((Component of the internal combustion engine) - Correct Ans: a cylindrically shaped object with a solid crown (top) that moves up and down in the engine cylinders. Hot gases from the combustion of the air-fuel mixture pust Cylinder (Component of the internal combustion engine) - Correct Ans: forms a guide for the piston to move in ; allows the piston to move up and down as the engine completes its cycle Piston rings (Component of the internal combustion engine) - Correct Ans: seal the piston to the cylinder and prevent combustion gases from leaking past. Oil rings prevent oil from the engine crankcase from making its way into the combustion chamber Wrist Pin(Component of the internal combustion engine) - Correct Ans: connects the piston to the connecting rode and forms a pivot point for the small end of the connecting rod to move on

Connecting Rod(Component of the internal combustion engine) - Correct Ans: Conects the piston/wrist pin assebmbly to the engines crankshaft. The large end of the eonnecting rod attaches to the crankshaft on the connecting rod journal Crankshaft(Component of the internal combustion engine) - Correct Ans: Convets the linear (straight line) motion of the piston into rotray motion, which can then be used to power vechicle or drive an accesory Cylinder Head (Component of the internal combustion engine) - Correct Ans: Located above the piston, it housed the combustion chambers, the intake and exhause valves and the intake and exhaust ports Combustion Chamber (Component of the internal combustion engine) - Correct Ans: located in the cylinder head directly about the piston, it is where the actual combustion of the air-fuel mixture takes place Intake Valve(Component of the internal combustion engine) - Correct Ans: allows air-fuel mixture to be drawn into the combustion chambers. When closed it mus seal the combustion chambers from the intake port Exhaust valves(Component of the internal combustion engine) - Correct Ans: allows waste gases to be removed from the combustion chambers. When closed it must seal the combustion chamber from the exhuast port Camshaft - Correct Ans: Responsile for the opening and closeing of the engines intake and exhaust valves. The camshaft turns at one-half speec of the engines crankshaft Troposphere - Correct Ans: lowest level of the atmosphere, where all weather takes pace. It is the regon of rising and falling pckets of air. Stratosphere - Correct Ans: airflow is mostly horizontal. The thin ozone layer in the upper stratosphere has a high concentration of ozone, a particularly reactive form of oxygen. This layer is primarily responsbile for absorbing the ultraviolet radiation from the sun. Temperature is about - 60 C

Mesosphere - Correct Ans: above the stratosphere is the mesophere, which extends to about 90 kilo abut the Earth. The temperature starts to drop again, to as low as - 90 C. This is where we see "falling stars" meteors that fall to the Earth and burn up the atmosphere Thermosphere - Correct Ans: temperature continues to increase with the altitude, with recorded temperatures reaching as high as 2,000 C as its upper limits which extends to several thousan kilmeters above the Earth Warm Front - Correct Ans: When a warm air mass overtakes a cold air mass As the warm air advances it rides ove the cold air ahead of it, which is heavier. As the warm air rises the water vapor in it condences into clouds that can produce rain snow leet or freezing rain - often all four Cold Front - Correct Ans: When a cold air mass overtakes a warm ar mass. Most cold fronts are precceded by a line of precpiptation as they roar across an area. Can produce very little or no precipitation as they move. Stationary Front - Correct Ans: Sometimes two air masses meet and neither is displaced. Instead the two fronts push against each other in a stalement. Stationary fronts often cause cloudy, wet weather that can last a week or more Stratus Clouds - Correct Ans: low-hanging, broad, flat clouse that blanket the sky. The lowest of low clouds. Can cause fog. Dark stratus clouds indicate that rain will soon occure Cumulus Clouds - Correct Ans: are massive clouds that are puffy like popcorns with relatively flat bottoms and rounded tops. When dark you can expect heavy rain Cirrus - Correct Ans: This wispy clouds that occure much higher in the atomsphere at elevations of 20,000 fett or more Internal combustion engines convert.. - Correct Ans: chemical energy i the air-fuel mixture into heat energy and thi heat energy is then converted into mechcnical energy A four-stroke cycle engine... - Correct Ans: requires two complete revolution of the crankshaft to complete one cycle of events

It takes ____ strokes of the piston to complete one cycle of events - Correct Ans: four Four Stroke cycle beings with the - Correct Ans: intake Stroke Cylinder Arrangement - Correct Ans: Automotive engines can be bulit in a number of different configurations Most common number of cylinders in automobile enegines are - Correct Ans: four, six, and eight Inline design - Correct Ans: the simplest cylinder arrangement, all of the engines cylinders are lied up in a row. Inline fource cylinder engines are very popular in front - wheel dive cars with transverse (sideways) mounted engines. Most often found in small - to medium - sized vehicles Horizontally opposed or flat desing - Correct Ans: has all of the cylinders lying on the horizontal plane, with half of the cylinders facing away from the other hald and the crankshaft located between them. Camshaft location - Correct Ans: The camshaft is responsible for the pening and closing of the engines valves, and it is driven by the crankshaft through a timing chain or timing belt. ` Firing Order - Correct Ans: The order that the cylinders fire A common firing order for four-cylinder engines is - Correct Ans: 1-3-4- Firing order of a V-8 engines is - Correct Ans: 1-8-4-3-6-5-7- Disel engines are simple because - Correct Ans: they do not incorporate a sparl-ignition system also that a disel engine and most gasoline engines is that diesels inject their fuel directly into the combustion chamber Stoichimometric - Correct Ans: The ideal ratio of air to fuel, it is the responsibility of the engines fuel system to maintain that balance

Air-Fuel Ratio - Correct Ans: a comparison of the weight of the air relative to the weight of the fuel that has been mixed with it. Is ideal air-Fuel ratio is 14.7: 1 Atomized - Correct Ans: When fuel is mixed with air by the fuel system, The fuel is directed into the air stream that is entering the engine Lean Mixtures - Correct Ans: When too much ait and not enough fuel would be described. Burn relatively slowly because there is greater space between the fuel molecules and it takes more tim for a flame to jump from particle to particles. Burn much hotter and thus can cause serious engine damage. Ration 17: 2 Radiator - Correct Ans: responsible for transferring heat from the collant to the outside air Radiator cap - Correct Ans: Responsible for maintaining pressure in the system and allowing coolant to transfer between the collant reservoir and the radiator. Coolant recovery bottle - Correct Ans: forms a reservoir for coolant to flow in and out of the cooling system as the engine increase and decreases in tempeature Air-cooling - Correct Ans: Where air is circulated over cooling fins on the outside of the engine to remove excess heat Water-Cooling - Correct Ans: used a liquid cooland to pick up excess heat and then rejects that heat through a radiator Water-pump - Correct Ans: responsible for moving coolant through the cooling system in order to transfer and control heat Water Jacket - Correct Ans: Hollow sections in the engine bloack and cylinder head that allow coolant to be transferred through them.

Thermostat - Correct Ans: Controls enging temperature by allowing coolant to flow into the radiator when the coolant temperature rises above a certain level Bypass tube - Correct Ans: Allows coolant to flow back into the water pump from the cylinder head when the thermostat is closed Radiator hoses - Correct Ans: Flexible hoses that allow hot coolant to flow between the engine and the vehicles radiator Ignition timing - Correct Ans: is the time in the combustion cycle that a spark is generated at the spark plug Lubrication system - Correct Ans: Most critical system in terms of engine operation. Without this the internal parts of the engine would develop enough friction to stop the engine completely Fuel system - Correct Ans: responsbile for mainting the correct air-fuel mixtrue for efficient engine operation. Ignition System - Correct Ans: Most critical vehicle system, without it combustion cannot take place so the engine will not run. The ignition system must generate high-voltage sparks at the correct time in order to make the engine run smoothly and efficiently Radal tire - Correct Ans: Is known for its stable footprint and low rolling resistance Brake system - Correct Ans: of all the systems on a car, the most important may well be the nrake sustem, it is one thing to not be able to go, it is another thing again to not be able to stop Antilock Brakes - Correct Ans: prevent wheel lock under hard braking condition, this gives more control to the driver in slippery conditions and allows the vehicle to stopmore predictably Open-end Wrench - Correct Ans: made for speed, easy to slide the wrench on an off a fastener such as a cap screw,

Box-end Wrench - Correct Ans: loosen tight fasteners, it is a good idea to use a box-end wrench. The box wraps completely around the head of a bolt and therefore meakes greater surface contact Combination Wrench - Correct Ans: Has an open-end and box-rnf bulit into opposite end of a wrench. Boh ends are made to fit the same zie fastener, but the technician can loosen the bolt with the box end and then finish removing the bolt more quickly using the open end ` Sockets - Correct Ans: An alternative to using wrenches to loosen fasteners. Come in 6 and 12 point designs. 6 point Sockets - Correct Ans: a stronger design and is usually the mechanics first choice in the smaller socket drives sizes. 12 point sockets - Correct Ans: definitely the most popular in large drive size such as 3/4 inches and above Ratchet - Correct Ans: the most commone drive took for sockets, turns the fastener in only one direction as the handles is moved back and forth through a narrow arc. They are reversible so they can be set to tighten or lossen a fastener Air impact wrench - Correct Ans: can remove fasteners quickly by applying tremendouse amounts of torque using a hammering actions that vibrates fasteners loose. only impact sockets should be used with an air impact wrench Screwdriver - Correct Ans: used so fasteners can often be removed and installed Flat tiip - Correct Ans: oldest screwdrivers Ball-peen hammer - Correct Ans: Most often used by metal workers and mechanics. Designed with a regular striking face lise most hammers, but also has a rounded end that can be used for sharping metal and making gaskets

Rubber mallet - Correct Ans: mechanics use this to prevent damage to the parts they are striking. Not made for maxium impact, they are designed to instal delicate parts such as hub caps and prevent damage to their surface Wooden Mallet - Correct Ans: Used by a carpenter to achieve the same effect as a rubber mallet. Sledge Hammer - Correct Ans: requires the use of a sledge hammer. This long handle hammer with a large steel head that typically requires both hands to operate Chisel - Correct Ans: normally has a long edge and is used for cutting, where as a punch is narrow and us used for driving small fasteners and marking layout marks Drift - Correct Ans: is used for striking an object where it is important that the hammer itself not come in direct contact with the work Cold Chisel - Correct Ans: The most common chisel, has a straight, sharp edge for cutting off bolt heads or separating two pieces of an assembly. Cold Chisels get dull from time to time and must be resharpened on a bench grinder. Pin Punches - Correct Ans: are straight cylindrical shape, and are used for driving roll pins. Made to drive pins out of holes and to follow the pin through the hole as it forces it out Center Punches - Correct Ans: are used to make small indentations that serve as starting marks for drilling operations. Making a small indentation with a center punch can help the drill bit stay on target long enough to get a hole started. Drifts - Correct Ans: often made from soft metals such as mild steel brass and even aluminum Crosscut saw - Correct Ans: cut across the grain of wood. Rip saw - Correct Ans: made to cut with the grain of the wood and whose teeth are shaped like chisels.

Coping saw - Correct Ans: Used to make fine. curving cuts. Uses a thin flexible blade that is held tight on a wide frame. The blade can be rotated in the frame for further flexibility making it easier to make difficult cuts on larger pieces of material. back saw - Correct Ans: is also made from thin material but has a rigid strip of steel on its top edge for reinforcement. Hacksaw - Correct Ans: used for cutting metals such as steel aluminum or copper. the blades are replaceable and it is important to choose the right blade for the material that is going to be cut. Drilling - Correct Ans: done to make small holes in wood or metal Boring - Correct Ans: When large holes are made in the wood Drill Bits - Correct Ans: used for drilling holes Right-Hand Drill Bits - Correct Ans: cut by rotating clockwise direction Left-Hand Drill Bit - Correct Ans: made to cut in the opposite direction Hole Saws - Correct Ans: used for boring large holes. not adjustable so each one is only capable of drilling one size f a hole Variable Speed Drills - Correct Ans: desgined to operate over a range of speeds that can be determined by the position of the trigger Lineman Pliers - Correct Ans: used for cutting and bending heavy gauge wire Diagonal Cutter - Correct Ans: Pliers that made exclusively for cutting Needle Nose pliers - Correct Ans: used for holding small objects in tight places.

Locking Pliers - Correct Ans: will lock tightly in place for holding or clamping objects together Soldering - Correct Ans: a process that joins metals by bonding a metal alloy to their srufaces Low temperatures Fasteners - Correct Ans: Most man-made assemblies are held together by this Nuts - Correct Ans: Thread onto bolt or machine screws to clamp assemblies together. They Will have either a square head or hexagonal head, and can be locked into position using several methods. Wing Nuts - Correct Ans: are used when it is necessary to disassemble a components by hand. The two "wings" are attached to the nut make it easy to tighten and loosen without the air of hand tools. Welding - Correct Ans: used when joining metals. High temperatures Castellated nut - Correct Ans: uses a cotter pin to lock it into place, which must pass through a hole in the bolt or stud that the unt its threaded on. Lock nuts - Correct Ans: nylon insert incorporated into its threads that provides enough interference to prevent the nut from loosening Consecutive numbers - Correct Ans: numbers that follow one after another in order, without any skipping Factor - Correct Ans: A positive interget that divides evenly into a given number with no remainder add fractions - Correct Ans: common denominator add up the numeratoes Multiply fractions - Correct Ans: Multiply the numerators and multiply the denominators

DivideFractions - Correct Ans: invert the second fractions and multiply. Compare Fractions - Correct Ans: Multiply the numerator of the first fraction by the denominator of the second fraction to get a second product