Mechanism Quiz

What is a gear?

• A straight rod with gear teeth

• A circular wheel with teeth around the circumference

• A triangular wheel with gear teeth

• A square wheel with gear teeth

What is the purpose of combining gears in different ways?

• To control temperature

• To control color

• To control speed

• To control pressure

What is the function of an Idler gear?

• Makes the rotary direction of the driver and driven gear to rotate in the same direction

• Increases torque in the system

• Changes the direction of motion

• Reduces speed in the system

What type of gear is used to change the axis of rotation through 90 degrees?

• Spur gear

• Bevel gear

• Worm gear

• Rack and pinion gear

What is the purpose of a ratchet and pawl mechanism?

• Reduce torque in the system

• Allow movement in one direction only

• Allow movement in both directions

• Increase speed in the system

What is the function of a worm gear?

• Change the direction of motion

• Increase torque in the system

• Produce a considerable reduction in speed without the need for a gear train

• Control speed in the system

What is the output of a gear system called?

• Gear Train

• Idler Gear

• Driver Gear

• Driven Gear

What is the purpose of a compound gear train?

• Increase or decrease the speed in a system

• Change the color of the system

• Increase temperature in the system

• Reduce torque in the system

What is the function of a rack and pinion mechanism?

• Allow movement in one direction only

• Change the axis of rotation through 90 degrees

• Produce a considerable reduction in speed

• Convert rotary-to-linear movement or linear-to-rotary movement

What is the purpose of a bevel gear?

• Produce a considerable reduction in speed

• Allow movement in one direction only

• Change the axis of rotation through 90 degrees

• Convert rotary-to-linear movement or linear-to-rotary movement