Oil Hydraulics and Pneumatics (3151913) MCQs

MCQs of Pneumatic Cylinders, Motors and Valves

Showing 21 to 30 out of 53 Questions
1 2 3 4 5 6
21.

A single-acting cylinder can be pressurized externally from one direction only.

(a)

True
(b)

False
Answer:

Option (a)

22.

A one-way valve that lets air into the reservoir of a compressor, but doesn’t let it out, is a_____.

(a)

Check valve
(b)

Receiver valve
(c)

Control valve
(d)

Three-way valve
Answer:

Option (a)

23.

5/2 way single solenoid valve has:

(a)

2 ports 2 positions
(b)

5 ports 2 positions
(c)

5 ports 5 positions
(d)

2 ports 5 positions
Answer:

Option (b)

24.

The ____________________ converts the compressed air energy into mechanical energy in the form of linear movement in one direction only.

(a)

Piston cylinders
(b)

Double-acting cylinders
(c)

Single-acting cylinders
(d)

Hydraulic pumps
Answer:

Option (c)

25.

A _____________ restricts air flow.

(a)

Throttle valve
(b)

Shuttle valve
(c)

Directional control valve
(d)

Single-acting cylinder
Answer:

Option (a)

26.

A pneumatic symbol is:

(a)

Different from a hydraulic symbol used for the same function
(b)

The same as a hydraulic symbol used for the same function
(c)

Not to be compared to a hydraulic symbol used for the same function
(d)

None of the mentioned
Answer:

Option (a)

27.

In pneumatic control systems, the control valve used as the final control element converts______.

(a)

Pressure signal to electric signal
(b)

Pressure signal to position change
(c)

Electric signal to pressure signal
(d)

Position change to the pressure signal
Answer:

Option (b)

28.

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)

29.

The direction control valve controls ____

(a)

Direction of flow
(b)

Rate of flow
(c)

Moisture
(d)

Force and motion
Answer:

Option (a)

30.

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)

Showing 21 to 30 out of 53 Questions
1 2 3 4 5 6