Fundamentals of Mechanical Engineering and Manufacturing Processes, Exams of Nursing

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MSSC-M3 MANUFACTURING PROCESSES EXAM MSSC-M3 MANUFACTURING PROCESSES EXAM WITH GUARANTEED ACCURATE ANSWERS Levers are classified as __________. - Accurate Answers✔✔✔ First class, Second class, or Third class A(n) __________ is produced when the forces applied to a lever cause it to rotate. - Accurate Answers✔✔✔ rotational movement The mechanical advantage of a second-class lever can be found by the ratio of the length of the __________ arm divided by the length of the __________ arm. - Accurate Answers✔✔✔ effort, resistance A spring scale is used to measure __________. - Accurate Answers✔✔✔ force

The mechanical advantage of a first-class lever can be found by the ratio of the length of the __________ arm divided by the length of the __________ arm. - Accurate Answers✔✔✔ effort, resistance The English unit of measurement of weight is the __________. - Accurate Answers✔✔✔ pound-force (lb-f) A second-class lever has its __________. - Accurate Answers✔✔✔ load between the fulcrum and the effort arm A __________ is a bar or beam atop a fulcrum that is used to transmit force from one point to another. - Accurate Answers✔✔✔ lever Mass is the __________. - Accurate Answers✔✔✔ amount of material in an object The mechanical advantage of a third-class lever can be found by the ratio of the length of the __________ arm divided by the length of the __________ arm. - Accurate Answers✔✔✔ effort, resistance The Law of Moments can be used to determine __________. - Accurate Answers✔✔✔ both the force needed to balance or force needed to move a load A third-class lever has its __________. - Accurate Answers✔✔✔ effort arm between the fulcrum and the load

A mechanism refers to __________. - Accurate Answers✔✔✔ both parts or a complete machine The three common types of mechanisms are levers, __________, and inclined planes. - Accurate Answers✔✔✔ wheels A first class lever can move greater forces if __________. - Accurate Answers✔✔✔ the effort arm is lengthened and the resistance arm is shortened The metric system expresses force in __________. - Accurate Answers✔✔✔ newtons A wheelbarrow is an example of a __________ lever. - Accurate Answers✔✔✔ second class How should the lever shown move? - Accurate Answers✔✔✔ counterclockwise A pair of ice tongs is an example of a __________ lever. - Accurate Answers✔✔✔ third-class A force that makes an object rotate about a point is called __________. - Accurate Answers✔✔✔ torque

Torque is calculated by multiplying a force times __________. - Accurate Answers✔✔✔ distance from the fulcrum that a force is applied Which of the following is one of the six mechanism safety rules? - Accurate Answers✔✔✔ Keep your work area safe and clean. Mechanical advantage is the ratio of the force required to move a load divided by __________. - Accurate Answers✔✔✔ the effort force applied The mechanical advantage of an inclined plane is the ratio of the __________ of the inclined plane divided by its __________. - Accurate Answers✔✔✔ length, height The coefficient of friction is the ratio of the force of friction divided by the __________. - Accurate Answers✔✔✔ normal force The four properties of a cam are: rise, fall, __________, and constant velocity - Accurate Answers✔✔✔ dwell What is the mechanical advantage of this incline plane with the object weight and force need to move it shown? - Accurate Answers✔✔✔ 2 The double rocker linkage is one type of __________ linkage. - Accurate Answers✔✔✔ four bar

A __________ is often mounted on a shaft by means of a key. - Accurate Answers✔✔✔ Cam A linkage is a system of __________ attached together to transmit energy from one point to another. - Accurate Answers✔✔✔ Bars A __________ linkage changes rotary motion into reciprocating (back and forth) motion. - Accurate Answers✔✔✔ Slider crank An inclined plane is a flat surface set at an angle above the __________.

• Accurate Answers✔✔✔ horizontal A turnbuckle has two bolts, where __________. - Accurate Answers✔✔✔ one has left-hand threads and the other has right-hand threads The two types of friction are static friction and __________ friction. - Accurate Answers✔✔✔ kinetic A cam is a wheel that, when combined with a cam follower, produces a __________ motion. - Accurate Answers✔✔✔ reciprocating A wheel reduces friction because __________ friction is less than sliding friction. - Accurate Answers✔✔✔ Rolling

The follower of the __________ linkage moves in an arc. - Accurate Answers✔✔✔ Crank rocker Rolling friction is __________. - Accurate Answers✔✔✔ Less than both static and kinetic friction Which of the two angles shown would create the greatest mechanical advantage? - Accurate Answers✔✔✔ A Friction is resistance caused by two __________ rubbing against each other. - Accurate Answers✔✔✔ Surfaces Which of the incline planes shown has the greatest mechanical advantage? - Accurate Answers✔✔✔ neither, they are the same A turnbuckle is a device commonly used to tighten __________. - Accurate Answers✔✔✔ Ropes or cables Static friction is also called __________ friction. - Accurate Answers✔✔✔ Starting What type of linkage consists of a driver arm, connecting rod, and a follower? - Accurate Answers✔✔✔ Double rocker The crank rocker linkage is one type of __________ linkage. - Accurate Answers✔✔✔ four bar

One application that takes advantages of both high and low amounts of friction is a(n) __________. - Accurate Answers✔✔✔ Coefficient of friction is the term used to describe the __________ of friction between two objects. - Accurate Answers✔✔✔ amount Friction is a force that __________ the direction of motion. - Accurate Answers✔✔✔ Opposes A windshield wiper is one application of the __________ linkage. - Accurate Answers✔✔✔ Double rocker What is the unit of measurement for the coefficient of friction? - Accurate Answers✔✔✔ It has no unit One application that takes advantage of both high and low amounts of friction is - Accurate Answers✔✔✔ belt sander The slider crank linkage is also known as the ______ linkage. - Accurate Answers✔✔✔ four bar One of the six main categories of causes used in a dispersion C&E diagram is __________.

• Machines

• Materials
• Measurement - Accurate Answers✔✔✔ all of the above The tensile test is __________. - Accurate Answers✔✔✔ Used to measure the amount of pulling force a part can withstand before it is pulled apart Once a component has failed, the quality control technician must __________. - Accurate Answers✔✔✔ Analyze the failure and determine corrective measures Parts that are worn should be replaced __________. - Accurate Answers✔✔✔ Before a component failure occurs Which of the following is not a basic step of analyzing a component failure? - Accurate Answers✔✔✔ Create a CAD drawing of the component SPC or quality control departments __________. - Accurate Answers✔✔✔ Inspect the dimensions and material characteristics of partsn Non-destructive testing __________. - Accurate Answers✔✔✔ does not damage the part in any way

Quality control inspects materials during the manufacturing process __________. - Accurate Answers✔✔✔ To ensure that each material has the correct characteristics Measuring is __________.

• Used to determine if a part has the correct size and shape
• Used throughout the manufacturing process
• A non-destructive test - Accurate Answers✔✔✔ all of the above Testing the fatigue strength of a part can be done by __________.
• Repeatedly applying a tensile force to the part
• Repeatedly applying a compression force to the part
• Using a stress cycler machine - Accurate Answers✔✔✔ all of the above Penetrant testing __________. - Accurate Answers✔✔✔ - Uses a colored dye to indicate surface cracks in a part Which of the following is a type of failure?
• Fracture
• Distortion
• Wear - Accurate Answers✔✔✔ all of the above

Ultrasonic testing __________. - Accurate Answers✔✔✔ Uses high- frequency sound waves to detect internal cracks or flaws in a part The final step used to construct a C&E diagram is __________. - Accurate Answers✔✔✔ add the ideas __________ is the most well-known form of metal finishing. - Accurate Answers✔✔✔ painting Automated Storage and Retrieval Systems (ASRS) uses a combination of sensors, barcode readers, and __________ to turn warehouses into automated facilities. - Accurate Answers✔✔✔ robots Cast iron and steel are two examples of __________. - Accurate Answers✔✔✔ Ferrous metals Adhesive bonding is considered a(n) __________ assembly process. - Accurate Answers✔✔✔ Permanent Heat treating is often used to change the __________ of metal. - Accurate Answers✔✔✔ hardness Ceramics are said to be __________ materials, which means they maintain their shape and strength when exposed to high heat. - Accurate Answers✔✔✔ Refractory

Plastics typically consume __________ of petroleum produced worldwide. - Accurate Answers✔✔✔ 4% Metal separation is the process of __________. - Accurate Answers✔✔✔ Cutting away unneeded metal from stock A form of metal separation that uses a cutting tool to carve metal from stock is called __________. - Accurate Answers✔✔✔ machining Injection molding is a process that __________. - Accurate Answers✔✔✔ Forces molten material into a cavity that is shaped like the final part Up to 2% __________ is added to wrought iron to make steel. - Accurate Answers✔✔✔ Carbon Vision inspection systems use __________ to make sure parts are complete and have no defects - Accurate Answers✔✔✔ cameras __________ metals are resistant to corrosion, lightweight, and bendable.

• Accurate Answers✔✔✔ Non-Ferrous Brass and bronze are examples of __________. - Accurate Answers✔✔✔ alloys

Composites consist of two or more __________ that result in improved mechanical properties over the individual ingredients. - Accurate Answers✔✔✔ Ingredients A device that transports material using electronic methods, such as lasers, is generically known as a(n) __________. - Accurate Answers✔✔✔ - Automatic guided vehicle (AGV) __________ ceramics consist of clay-based products, glass, and cement.

• Accurate Answers✔✔✔ traditional Chromium is added to steel to form __________. - Accurate Answers✔✔✔ Stainless steel To assemble components that must be disassembled at a later time, use a(n) __________. - Accurate Answers✔✔✔ Fastener __________ is a reddish, malleable metal that conducts electricity well and resists weathering. - Accurate Answers✔✔✔ Copper __________ is a wrought process that uses dies to shape metal and produce high-strength parts. - Accurate Answers✔✔✔ Forging What defines a non-ferrous metal - Accurate Answers✔✔✔ main component is not iron

A __________ chip is a chip that is broken by the use of a chip breaker on the cutting tool.

• Broken continuous
• Broken
• Continuous
• Flowing - Accurate Answers✔✔✔ Broken continuous The blade on a horizontal band saw __________ to continuously cut into the material.
• Runs back and forth
• Runs in one direction
• Is not designed
• Overheats if used - Accurate Answers✔✔✔ Runs in one direction On a CNC milling machine a movement along the X direction would move the __________.
• Cutting too l- Spindle
• Table
• Collet - Accurate Answers✔✔✔ table The vertical band saw is used to __________.
• Cut metal stock into shorter pieces
• Perform rough cuts to save machining time

• Cut intricate curves or patterns
• All of the above - Accurate Answers✔✔✔ All of the above Which of the following operations is not used as a machining operation?
• Sawing
• Drilling
• Turning
• Slicing - Accurate Answers✔✔✔ slicing The three major steps of manufacturing are __________.
• Cutting, drilling, milling
• Obtain natural resources, produce industrial materials, make finished products
• Primary, secondary, finishing
• Mechanical, electrical, chemical - Accurate Answers✔✔✔ Obtain natural resources, produce industrial materials, make finished products If a blade breaks or comes off the idler wheels, you should __________.
• Immediately turn off the power switch
• Run and tell your supervisor
• Catch the broken end to prevent it from whipping around
• Wait until the broken blade is thrown from the machine before notifying your supervisor - Accurate Answers✔✔✔ Immediately turn off the power switch

When using a horizontal band saw to cut stock to a specific length, the saw blade should touch __________.

• Just the inside of the line you created on the material
• Directly on the line you created on the material
• Approximately 1/8-inch beyond the line you created
• Just the outside of the line you created on the material - Accurate Answers✔✔✔ Just the outside of the line you created on the material A machine that uses a computer to control its cutter or table is a __________.
• CLT
• CNC
• NCC
• CCN - Accurate Answers✔✔✔ CNC During the cutting action, the tool tip __________ the metal until the metal's fracture point is exceeded.
• Shears
• Melts
• Deforms
• Slices - Accurate Answers✔✔✔ deforms 1-inch schedule 160 steel pipe differs from 1-inch schedule 80 pipe in which way?

• Schedule 160 has the same ID and larger OD
• Schedule 160 has the same OD and smaller ID
• Schedule 160 has smaller ID and larger OD
• Schedule 160 has larger ID and smaller OD - Accurate Answers✔✔✔ Schedule 160 has the same OD and smaller ID Which safety rules should be followed when working around machine tools?
• Always wear approved eye protection
• Never wear loose fitting clothes
• Proper shoes should be worn at all times to protect your feet
• All of the above and any other safety rules - Accurate Answers✔✔✔ All of the above and any other safety rules In a CNC machine operation, zero offset __________. - Accurate Answers✔✔✔ Allows the operator to move the part to the most desirable location on the work table On the vertical band saw, the blade guides should be set __________.
• As high above the stock as possible to avoid rubbing
• So they lightly brush the top of the material being cut
• 3/8 inches to 1/2 inches above the stock at its thickest point
• 2-1/2 inches above the stock - Accurate Answers✔✔✔ 3/8 inches to 1/2 inches above the stock at its thickest point

Very thin stock is specified using __________.

• Four decimal places
• Millimeters
• Gauge numbers
• Decimal equivalents - Accurate Answers✔✔✔ Gauge numbers Which of the following is most often used to cut raw stock into shorter lengths?
• Vertical band saw
• Horizontal band saw
• Diagonal band saw
• Hack saw - Accurate Answers✔✔✔ Horizontal band saw A file card is used to __________.
• Identify location of files
• Repair a file
• Record critical production information
• Clean metal particles from the file - Accurate Answers✔✔✔ Clean metal particles from the file The dimensions of raw material supplied by metal suppliers are described by the __________.
• ASTM designation
• Stock size

• Manufacturing Size
• Series number - Accurate Answers✔✔✔ Stock size Feed of a single point cutting tool most affects the __________.
• Cutting speed
• Tool's life
• Depth of cut
• Geometry of the tip - Accurate Answers✔✔✔ Tool's life A built-up edge condition of a cutting tool causes it to __________.
• Cut more shallow
• Cut more deeply
• Increase the feed rate
• Reduce friction between the cutting tool and the work piece - Accurate Answers✔✔✔ Cut more deeply Round stock is specified using __________.
• Radius and length
• Diameter and gauge number
• Diameter and length
• Material number and length - Accurate Answers✔✔✔ Diameter and length __________ are used to lift the work piece off the bottom of the vise

.- Parallels

• Fixtures
• Perpendiculars
• Lift clamps - Accurate Answers✔✔✔ Parallels During the drilling of a hole, the drill is raised to __________.
• Clear the chips from the hole
• Allow air to enter the hole
• Allow the drill to cool
• Allow the work piece to cool - Accurate Answers✔✔✔ Clear the chips from the hole A worn drilling tool __________.
• Should be used until it no longer cuts the material
• Requires a higher spindle speed to cut properly
• Should not be used
• Should only be used to create pilot holes - Accurate Answers✔✔✔ Should not be used Which of the following is an example of an unsafe practice while setting up the drill press?
• Standing with legs clear of the table when loosening the table lock
• Removing the drill chuck key after removing a drill from the chuck

• Examining a large part and deciding to hold it in place by hand since it's so large, it will not fit in the vise
• All of the above - Accurate Answers✔✔✔ Examining a large part and deciding to hold it in place by hand since it's so large, it will not fit in the vise A drill press is used to __________ .- Manufacture drills
• Create holes
• Fasten screws
• All of the above - Accurate Answers✔✔✔ create holes A drill press will undersize the holes if the __________.
• Drill is positioned off center
• Drill bit has a worn margin
• Drill is run at an excessive speed
• Drill is not lubricated - Accurate Answers✔✔✔ Drill bit has a worn margin Which of the following is an example of an unsafe practice while operating a drill press?
• Stooping down to look closely at the part and drill, as the drill enters the metal to make sure it's positioned properly
• After a tool shatters, leaving pressure on the spindle while it coasts to a stop

• Using a brush to remove metal chips from the drill press table
• All of the above - Accurate Answers✔✔✔ Stooping down to look closely at the part and drill, as the drill enters the metal to make sure it's positioned properly The size of a drill is usually stamped on its __________.
• Lands
• Flutes
• Margin
• Shank - Accurate Answers✔✔✔ shank A tool should be wiped clean __________.
• Weekly
• After each use
• During use
• Never - Accurate Answers✔✔✔ After each use A drill press __________.
• Uses a rotating tool to cut into material
• Is only used to create slots
• Cannot create a counterbore
• Rotates the workpiece against the cutting tool - Accurate Answers✔✔✔ Uses a rotating tool to cut into material

Which of the following is not a part of the twist drill?

• Chip breaker
• Flutes
• Margin
• Land - Accurate Answers✔✔✔ Chip breaker Which of the following is not a commonly used oil for creating a cutting fluid?
• Mineral
• Animal
• Motor
• Vegetable - Accurate Answers✔✔✔ Motor Engineers sometimes use a __________ to measure angles on a drawing.
• Rule
• Protractor
• French curve
• Compass - Accurate Answers✔✔✔ Protractor To drill a hole in a part, the __________ of the circle is indicated with layout lines.
• Radius
• Diameter
• Center point

• Mid-span - Accurate Answers✔✔✔ center point Layout work is the operation of __________.
• Cutting material to match a pattern
• Designing a part on a CAD station
• Transferring data from a technical drawing to the part
• Preparing a machine for operation - Accurate Answers✔✔✔ Transferring data from a technical drawing to the part A __________ punch is used to create a very small indention.
• Prick
• Round
• Rockwell
• Radial - Accurate Answers✔✔✔ prick A(n) __________ is used to tighten the drill in the chuck of the drill press .- End wrench
• Strap wrench
• Chuck knob
• Chuck key - Accurate Answers✔✔✔ Chuck key Reamers are used to machine holes __________ .- That have precise diameters

• That are smooth on the inside
• Only after the hole has been prepared by a regular twist dril l- All of the above - Accurate Answers✔✔✔ All of the above The drill selected to prepare a hole for a reaming operation should typically be smaller than the diameter of the reamer by __________ inch.
• 1/4
• 1/32
• 1/64
• 1/16 - Accurate Answers✔✔✔ 1/64 A counterbore __________. - Accurate Answers✔✔✔ Has a pilot Which of the following is not true about chamfered holes? - Accurate Answers✔✔✔ The counterbore is used to chamfer holes. The maximum strength is reached when thread engagement reaches __________.- - Accurate Answers✔✔✔ 60 percent A tap __________. - Accurate Answers✔✔✔ Looks like a screw Reamers __________.- - Accurate Answers✔✔✔ Have multiple cutting edges

Which of the following is not true about countersinking?

• Countersinking creates a cone shaped opening in a hole.
• Countersinking allows a flat head screw to sit completely below the surface of the part .- Countersinking can also create a chamfer on a part. -none of the above - Accurate Answers✔✔✔ None of the above A counterbore __________. - Accurate Answers✔✔✔ Enlarges a hole for a portion of its depth What size tap drill should be used to prepare the hole shown in the part drawing for the 7/16 threads?
• U (0.3680)
• 39949
• 0.4531
• #7 (0.2010) - Accurate Answers✔✔✔ U (0.3680) The __________ of the counterbore is used to guide the counterbore so that the counterbore is perfectly aligned with the clearance hole. - Accurate Answers✔✔✔ pilot During the hand tapping operation, the tap should be rotated counterclockwise for 1/2 turn following each 1 turn clockwise to