chapter 9 , 8 , 7 .1 Cp01 A p & h

A device which can develop pressure several times higher than the hydraulic pump is

• a)Accumulator

• b) Pressure Regulator

• c) Intensifier

• d) Motor

which of the following is a gas charged accumulator.

• a)bladder type

• b)spring loaded accumulator

• Weighted accumulator

• d) All of the above

Which of the following gas is used in gas charged accumulators

• a) oxygen

• b) Nitrogen

• c)carbon dioxied

• d) All of the above

Accumulators used in gas charged accumulator is

• a) Hydraulic

• b)Pneumatic

• c)Hydropneumatic

• d) All of the above

Intensifier used in pneumatic systems has output pressure

• a)Less than input pressure

• b)More than Input Pressure

• c) Same as input pressure

• d)None of the above

A simple Hydraulic device that stores energy in the form of fluid pressure

• 
  

• b) Compressor

• c) Accumulator

• d) Intensifier

• circuit

An electromachanical actuated switch is

• a) A Limit switch

• b) A Relay

• c) 3/2 push button valve

• d) Reed switch

Magnetically operated proximity switch is

• 
  

• switch

• b) Reed switch

• c) Relay

• d) Limit switch

To identify the extreme limits of the cylinder actuating__________

• a) Limit switch

• b) Relay

• c) Timer

• d) Solenoid

In electro pneumatic circuits Spool is shifted by________

• • a) signal air

  
  

• b) control air

• c)electromotive froce

• d)All of the above