Oil Hydraulics and Pneumatics (3151913) MCQs

MCQs of Pneumatic Cylinders, Motors and Valves

Showing 1 to 10 out of 53 Questions
1.

Which valve is used to adjust the pressure differential across the oil jet and control the oil flow rate in lubricator?

(a)

Needle valve

(b)

Poppet valve 

(c)

Pressure Relief Valve 

(d)

None of the above

Answer:

Option (a)

2.

Which types of pneumatic cylinder prefer for operating strokes of 50 mm?

(a)

Rolling Diaphragm Cylinder 

(b)

Single Acting Cylinder

(c)

Diaphragm Cylinder 

(d)

Gravity Return type

Answer:

Option (c)

3.

Which type of pneumatic cylinder prefers for operating strokes in the range of 50 mm to 800 mm?

(a)

Rolling Diaphragm Cylinder 

(b)

Single Acting Cylinder

(c)

Diaphragm Cylinder 

(d)

Gravity Return type

Answer:

Option (a)

4.

The Single Acting Cylinders are used for

(a)

clamping

(b)

lifting 

(c)

embossing

(d)

All of the above

Answer:

Option (d)

5.

Which of the following is not the pressure control valve?

(a)

Safety valve

(b)

Sequence valve

(c)

Shut-off valve

(d)

Reducing valve

Answer:

Option (c)

6.

 Is the symbol of________.

(a)

Pneumatic motor

(b)

Hydraulic motor

(c)

Pneumatic pump

(d)

Hydraulic pump

Answer:

Option (a)

7.

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 given

Answer:

Option (b)

8.

What is the function of the pressure switch?

(a)

Pressure switch is used to start a motor

(b)

Pressure switch is used to stop a motor

(c)

Pressure switch is used to de-energize a solenoid

(d)

All of the given

Answer:

Option (d)

9.

Which of the following statements are true for the throttle valve?

1. Reverse flow of fluid is not possible

2. Input pressure for a throttle valve is more than the output pressure

3. The actuator speed can be reduced by a throttle valve

4. Correct flow control valve for a particular application can be selected on the basis of pressure drop specified

(a)

1, 2 & 3

(b)

2, 3 & 4

(c)

1, 3 & 4

(d)

All of the given

Answer:

Option (b)

10.

A pressure relief valve can be______.

(a)

Direct operated

(b)

Pilot operated

(c)

Solenoid operated

(d)

All of the given

Answer:

Option (d)

Showing 1 to 10 out of 53 Questions