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ASVAB Mechanical Comprehension
Typology: Exams
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gears โ Ans - systems that produce a massive amount of mechanical advantage opposite โ Ans - If a gear set is even the final gear will spin the _____________ way as the first gear. Same โ Ans - If a gear set is odd the final gear will spin the ____________ way as the first gear. M= Teeth of output gear/ Teeth of input gear โ Ans - Mechanical advantage equation for amount of teeth on a gear... 746 watts โ Ans - 1 electrical horsepower=...... 500 ft-lbs โ Ans - 1 mechanical horsepower=... per second 33000 ft-lbs โ Ans - 1 mechanical horsepower=... per minute horsepower โ Ans - The power needed to move 550 pounds one foot over the period of one second is commonly referred to as ... 7hp โ Ans - Jack needs to pull a truck for 1 minute. The truck weighs 115.5 tons. What's the minumum number of horsepower necessary? (multiply tons to pounds, then divide by hp per minute) 8hp โ Ans - An elevator motor requires 5,968 watts to operate. What is the horsepower of the electric motor operating the elevator? incompressable โ Ans - Liquids are ___________.
conform โ Ans - Liquids perfectly ___________ to their containers. equally โ Ans - Pressure applied to an enclosed liquid is __________ distributed throughout it. Pressure= Force/Area โ Ans - What is the formula for pressure? 0.43 โ Ans - For water, there is about ______ pounds of pressure per square inch for every foot of water depth Divide the output by the efficiency โ Ans - If given a problem with and output and efficiency of the output, what do you do to find the initial force? fixed pulley โ Ans - A _______________ is when a rope or chain or something similar is wrapped around a wheel or axle in order to raise or move a weight. changes โ Ans - A wheel/axle simply __________ the direction of the force exerted to move the weight increase โ Ans - Multiple pulleys _______ mechanical advantage. four โ Ans - The mechanical advantage of a four legged pulley is equal to _____ times the effort initially expended toward moving the object. MA=W/T=n โ Ans - The equation to find out how many times a rope should wrap between the fixed pulley and the movable pulley is... Mechanical Advantage= Weight/Tension= number of legs โ Ans - MA=W/T=n
7 โ Ans - If a wedge has a length of 21 cm and a width of 3 cm, what is the mechanical advantage? pascal's law โ Ans - The amplification of force in a hydraulic system vector quantity โ Ans - Gravity is a type of force, and since force has magnitude and direction it is known as a ... 2KE = mv2 โ Ans - Which of the following describes the relationship between kinetic energy, mass, and velocity? KE = ยฝ(mv)2 โ Ans - Kinetic energy is defined as... (formula) 2 โ Ans - At minimum, how many pulleys are there in a block and tackle system? decreases โ Ans - As torque increases, speed ___________. increases โ Ans - As torque decreases, speed __________. equal โ Ans - When the distance of a life is the same as the distance the initial force travels, the force in will ______ the force out. decreasing; horizontally โ Ans - Making a wedge longer relative to its height (less slope) will change this by ____________ the amount of lift that takes place as the wedge is moved ______________. Gravity's relationship to mass โ Ans - What is a component of potential energy? Kinetic energy โ Ans - Energy in a moving object. Potential energy โ Ans - Energy that can be released under certain conditions.
Chemical energy โ Ans - Energy stored in chemicals, such as in a flashlight battery. Electric energy โ Ans - Energy in moving electrons in an electric current. Nuclear energy โ Ans - Energy released by reactions in the nucleus of an atom. Solar energy โ Ans - Energy in the heat and light from the sun.