Oil Hydraulics and Pneumatics (2171912) MCQs

MCQs of Hydraulic Valves and Hydraulic System Accessories

Showing 11 to 20 out of 44 Questions
1 2 3 4 5
11.

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)

12.

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)

13.

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)

14.

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)

15.

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)

16.

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)

17.

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

(a)

True
(b)

False
Answer:

Option (a)

18.

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)

19.

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)

20.

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)

Showing 11 to 20 out of 44 Questions
1 2 3 4 5