Oil Hydraulics and Pneumatics (3151913) MCQs

MCQs of Pneumatic Cylinders, Motors and Valves

Showing 11 to 20 out of 53 Questions
1 2 3 4 5 6
11.

Check valve is a type of_____.

(a)

Pressure reducing valve
(b)

Pressure relief valve
(c)

Directional control valve
(d)

None of the given
Answer:

Option (c)

12.

What is the notation used for the sequence of operations mentioned below?

1. Cylinder A undergoes forward stroke

2. Cylinder B undergoes forward stroke

3. Cylinder A undergoes backward stroke

4. Cylinder B undergoes backward stroke

(a)

A– B– A+ B+
(b)

A+ B– A+ B–
(c)

A+ B+ A– B–
(d)

A+ B–  A+ B–
Answer:

Option (c)

13.

Overlapping of signals in pneumatic systems can be avoided by using

(a)

Rolling lever valve
(b)

Idle roller lever valve
(c)

Both of the given
(d)

None of the given
Answer:

Option (c)

14.

What is a pressure sequence valve?

(a)

It is a combination of an adjustable pressure relief valve and directional control valve
(b)

It is a combination of a nonadjustable pressure relief valve and directional control valve
(c)

It is a combination of adjustable pressure reducing valve and check valve
(d)

It is a combination of adjustable pressure reducing valve and flow control valve
Answer:

Option (a)

15.

Which valve is used to block the accumulator from the system for the purpose of safety?

(a)

Pilot valve
(b)

Needle valve
(c)

Detent valve
(d)

All of the given
Answer:

Option (b)

16.

Which of the following gas is used in gas-charged accumulator?

(a)

Oxygen
(b)

Nitrogen
(c)

Carbon dioxide
(d)

All of the given
Answer:

Option (b)

17.

What does the numbers in 4/2 valve mean?

(a)

4 positions and 2 ways
(b)

4 ways and 2 positions
(c)

None of the given
Answer:

Option (b)

18.

What is the function of a flow control valve?

(a)

Flow control valve changes the direction of oil flow
(b)

Flow control valve can adjust the flow rate of pneumatic gas
(c)

Both of the given
(d)

None of the given
Answer:

Option (b)

19.

What is the advantage of using a single-acting cylinder?

(a)

High cost and reliable
(b)

Honing inside the inner surface of the pump is not required
(c)

Piston seals are not required
(d)

All of the given
Answer:

Option (c)

20.

Which type of motion is transmitted by pneumatic actuators?

(a)

Linear motion
(b)

Rotary motion
(c)

Both of the given
(d)

None of the given
Answer:

Option (c)

Showing 11 to 20 out of 53 Questions
1 2 3 4 5 6