Manufacturing Processes 175 Questions with 100% Correct Answers

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Manufacturing Processes 175 Questions with 100% Correct Answers 1. The three common types of mechanisms are levers, _______, and inclined planes. A. Pulleys B. Gears C. Wheels D. Crowbars -Ans- ... Wheels 2. Which of the following is one of the six mechanism safety rules? A. Use your left hand to operate the motor switch. B. Remove the back cover of the panel. C. Keep your work area safe and clean. D. Do not remove the fuse cover. -Ans-Keep your work area safe and clean 3. A mechanism refers to________________________. A. Machine components only B. Only components with a drive system C. Both parts or a complete machine D. Only a complete machine -Ans-Both parts or a complete machine 4. A spring scale is used to measure___________________. A. Force B. Mass C. Torque D. Rotary moment -Ans-Force 5. Mass is the_____________________. A. Weight of an object B. Size of an object C. Volume of an object D. Amount of material in an object -Ans-Amount of material in an object 6. The metric system expresses force in _________________. A. Pound/feet B. Newtons C. Newtons per gram D. Pounds -Ans-Newtons 7. The English unit of measurement of weight is the _____________. A. Pound-mass B. Foot-pound C. Pound-force D. Inch-pound -Ans-Pound-force 8. A force that makes an object rotate about a point is called ________________. A. Torque B. Leverage C. Pivot force D. Fulcrum -Ans-Torque 9. Torque can be calculated by multiplying the distance from the fulcrum that a force is applied and________________. A. The distance from the resistance arm B. The diameter of the load C. The mass of the load D. The force applied. -Ans-The force applied. 10. The Law of Moments can be used to determine______________________. A. How much force is needed to balance a load B. How much force is needed to move a load C. The speed of a movement D. Both the force needed to balance or force needed to move a load. -Ans-Both the force needed to balance or force needed to move a load. 11. 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. A. Resistance, effort B. Effort, resistance C. Resistance, fulcrum D. Effort, friction -Ans-Effort, resistance 12. 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. A. Resistance, effort B. Effort, resistance C. Resistance, fulcrum D. Effort, fulcrum -Ans-Effort, resistance 13. A(n) __________ is produced when the forces applied to a lever cause it to rotate. A. Rotary impact B. Rotational movement C. Torque D. Inclined plane -Ans-Rotational movement 14. A second-class lever has its __________________. A. Effort arm between the fulcrum and the load B. Fulcrum between the effort arm and the load C. Load between the fulcrum and the effort arm D. Effort arm directly on top of the fulcrum. -Ans-Load between the fulcrum and the effort arm 15. A wheelbarrow is an example of a ______________ lever. A. First-class B. Second-class C. Third-class D. Fourth-class -Ans-Second-class 16. Levers are classified as _______________. A. Class A, Class B, or Class C B. Low grade, medium grade, or high grade C. Inclined, declined, or equilateral D. First class, Second class, or Third Class -Ans-First class, Second class, or Third Class 17. Mechanical advantage is the ratio of the force required to move a load divided by ____________. A. The weight of the load B. The mass of the load C. The diameter of the fulcrum D. The effort force applied -Ans-The effort force applied 18. A third-class lever has its ________. A. Effort arm between the fulcrum and the load B. Fulcrum between the effort arm and the load C. Load between the fulcrum and the effort arm D. Effort arm directly on top of the fulcrum -Ans-Effort arm between the fulcrum and the load [Show More]

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