BRAKE SYSTEM - Practice Mode

1) What is the cause of ? low pressure? in the hydraulic power steering system?

Low oil level Wrong flow control valve setting Air in the system Wornout sealing ring

Correct Answer: Wrong flow control valve setting

2) Which principle is applicable for hydraulic brakes?

Pascal's law Boyle's law Newton's law of motion Hooke's law

Correct Answer: Pascal's law

3) Which device permits air to the air brake system?

Hand control valve Spring brake actuator System protection valve Brake valve

Correct Answer: Brake valve

4) Which material is used for brake rotors and brake pads for aircraft and racing cars?

Sintered alloy Carbon fiber reinforced carbon composite Asbestos Copper, brass, steel

Correct Answer: Carbon fiber reinforced carbon composite

5) What is the material constituent of semi metallic brake lining?

Carbon fiber Aluminium oxide Fine polished steel wool Carbon composite

Correct Answer: Fine polished steel wool

Explanation:

When two parallel and coplaner shafts are connected by gears having teeth parallel to the axis of the shaft called spur gears, the arrangement is known as spur gearing.

Another name given to the spur gearing is helical gearing in which the teeth are inclined to the axis of the shaft. There are single and double helical gears. The double helical gears are known as herringbone gears.

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