SEMM2223: Gear Train System

The input gear has 6 teeth.

The output gear has 48 teeth. The gear ratio is...

• 1:8

• 6:4

• 8:1

• 2:1

Which one is not considered as mechanical power tranmission?

• Gears

• Pulleys

• Wheels

• Linkages

A refers to _______ relation.

• Kinetics

• Kinematics

• Force

• Geometric

B refers to ________ relation.

• Kinetics

• Force

• Geometric

• Kinematics

Transmission efficiency define as...

• Power Output/

  Power Input

• Power Input/

  Power Output

• Gear Ratio/

  Power Input

• Power Output/

  Gear Ratio

Output speed and output torque usually..

• Same direction

• Same value

• Opposite direction

• None of these

Input speed and input torque have...

• same direction

• opposite direction

• same value

• none of these

If r1 = 10 and r2 = 100, calculate gear ratio?

• 1/10

• 10

This formula was used to calculate...

• Input torque

• Input torque referred to input

• Output torque

• Output torque referred to input

What is A ?

• Sun Gear

• Planet Gear

• Arm

• Ring Gear