MSSC manufacturing final study guide Questions With Complete Answers!

_________ is a reddish, malleable metal that conducts electricity well and resists weathering. - Steel - Cast iron - Aluminum - Copper - ANSWERCopper 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. - Resistance, effort - Effort, resistance - Resistance, fulcrum - Effort, fulcrum - ANSWEREffort, resistance A spring scale is used to measure __________. - Force - Mass - Torque - Rotary moment - ANSWER- Force A pair of ice tongs is an example of a __________ lever. - Third-class - Fourth-class - First-class - Second-class - ANSWERThird-class A first class lever can move greater forces if __________. - The effort arm is shortened and the resistance arm is lengthened - The effort arm is lengthened and the resistance arm is shortened - Both the effort and resistance arms are lengthened - Both the effort and resistance arms are shortened - ANSWER- The effort arm is lengthened and the resistance arm is shortened Levers are classified as __________. - Class A, Class B, or Class C - Low grade, Medium grade, or High Grade - Inclined, declined, or equilateral - First class, Second class, or Third class - ANSWERFirst class, Second class, or Third class A __________ is a bar or beam atop a fulcrum that is used to transmit force from one point to another.- Wheel- Widget- Inclined plane- Lever - ANSWERLever A third-class lever has its __________. - Effort arm between the fulcrum and the load - Fulcrum between the effort arm and the load - Load between the fulcrum and the effort arm - Effort arm directly on top of the fulcrum - ANSWEREffort arm between the fulcrum and the load The Engli