Oil Hydraulics and Pneumatics (2171912) MCQs

MCQs of Hydraulic Valves and Hydraulic System Accessories

Showing 21 to 30 out of 44 Questions
1 2 3 4 5
21.

A _____________ restricts air flow.

(a)

Throttle valve
(b)

Shuttle valve
(c)

Directional control valve
(d)

Single-acting cylinder
Answer:

Option (a)

22.

What is the function of the flow control valve?

(a)

Controls the direction of flow of air
(b)

The moisture is separated and removed
(c)

It converts the mechanical energy to hydraulic energy
(d)

It controls the rate of flow of compressed air
Answer:

Option (d)

23.

The direction control valve controls ____

(a)

Direction of flow
(b)

Rate of flow
(c)

Moisture
(d)

Force and motion
Answer:

Option (a)

24.

Which among the following fluid parameters are not controlled by the control valves?

(a)

Pressure
(b)

Rate of flow
(c)

Speed
(d)

Direction of flow
Answer:

Option (c)

25.

Pressure reducing valve is used to maintain constant reduced pressure.

(a)

True
(b)

False
Answer:

Option (a)

26.

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)

27.

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)

28.

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)

29.

How many exit ports does a 2 way valve have?

(a)

1
(b)

2
(c)

3
(d)

4
Answer:

Option (a)

30.

A pressure relief valve can be

(a)

Direct operated
(b)

Pilot operated
(c)

Solenoid operated
(d)

All of the above
Answer:

Option (d)

Showing 21 to 30 out of 44 Questions
1 2 3 4 5