MECHANICS EXAM STUDY GUIDE 2026 TEST PAPER QUESTIONS AND SOLUTIONS

MECHANICS EXAM STUDY GUIDE 2026 TEST
PAPER QUESTIONS AND SOLUTIONS



◉ What are mechanisms generally used for? Answer: -Change direction
of movement
-Change type of movement
-Change the speed of movement
-Change the amount of torque


◉ When is the flow of power reversible? Answer: If you can make the
input shaft turn by turning the output shaft


◉ What are the four types of movement? Answer: -Rotary
-Linear
-Oscillating
-Reciprocating


◉ Gear ratios compare the ________ to the ________ Answer: output to
input

, ◉ If the output gear is larger than the input gear, the speed will
__________ Answer: decrease


◉ If the output gear is smaller than the input gear, the speed will
__________ Answer: increase


◉ Force Answer: a push or pull in a straight line


◉ Torque Answer: a push or pull in a circular direction


◉ Simple gear train Answer: -Input and Output shafts: parallel
-Flow of power: reversible
-Gear direction: opposite


◉ Where do you find a simple gear train? Answer: Watches, sewing
machine, motor


◉ Simple gear train with idler Answer: -Input and Output shafts: parallel
-Speed is: constant
-Torque is: constant
-Ratio: 1:1
-Flow of power: reversible
-Input and Output gears: same direction