Oil Hydraulics and Pneumatics (3151913) MCQs

MCQs of Pneumatic Cylinders, Motors and Valves

Showing 31 to 40 out of 53 Questions
1 2 3 4 5 6
31.

Pressure reducing valve is used to maintain constant reduced pressure.

(a)

True
(b)

False
Answer:

Option (a)

32.

What happens when the pressure increases its pre-set value?

(a)

The pressure relief valve opens
(b)

Deflects upwards
(c)

Deflects downwards
(d)

Has no effect
Answer:

Option (a)

33.

What is the full form DCV in terms of pneumatic control systems?

(a)

Delicate Control Valve
(b)

Distance Control Value
(c)

Directional Control Valve
(d)

Diameter Control Valve
Answer:

Option (c)

34.

Which valve should be used if there is a need for fluid to flow in 4 directions?

(a)

Spool valve
(b)

Shuttle Valve
(c)

Check valve
(d)

Rubber valve
Answer:

Option (a)

35.

Which valve works on electricity and not on pressure difference?

(a)

Rubber valve
(b)

Pilot Valve
(c)

Check valve
(d)

Solenoid valve
Answer:

Option (d)

36.

How many exit ports does a 2 way valve have?

(a)

1
(b)

2
(c)

3
(d)

4
Answer:

Option (a)

37.

A pressure relief valve can be

(a)

Direct operated
(b)

Pilot operated
(c)

Solenoid operated
(d)

All of the above
Answer:

Option (d)

38.

In pneumatics AND gate is also known as_______.

(a)

Check valve
(b)

Shuttle valve
(c)

Dual pressure valve
(d)

None of the given
Answer:

Option (c)

39.

In pneumatics OR gate is also known as_______.

(a)

Check valve
(b)

Shuttle valve
(c)

Dual pressure valve
(d)

None of the given
Answer:

Option (b)

40.

Which of the following is used to sense the initial and final positions of the piston rod?

(a)

Lever operated DCV
(b)

Limit switch
(c)

Roller lever valve
(d)

All of the given
Answer:

Option (d)

Showing 31 to 40 out of 53 Questions
1 2 3 4 5 6