Oil Hydraulics and Pneumatics (2171912) MCQs

MCQs of Pneumatic Circuits

Showing 1 to 10 out of 39 Questions
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1.

A pneumatic circuit is formed by various pneumatic components such as 

(a)

cylinders and directional control valves
(b)

flow control valves and pressure regulator
(c)

various signal processing elements 
(d)

all of the mentioned 
Answer:

Option (d)

2.

Which is/are a function of pneumatic circuits? 

(a)

To control the entry and exit of compressed air in the cylinders
(b)

To use one valve to control another valve
(c)

To control actuators 
(d)

All of the mentioned 
Answer:

Option (d)

3.

Which circuit is suitable when small cylinders operate at low speeds and the flow rate requirements are less?

(a)

Direct control of single acting cylinder
(b)

Indirect control of single acting cylinder
(c)

Direct control of double acting cylinder
(d)

Indirect control of double acting cylinder
Answer:

Option (a)

4.

Which type of valve used in indirect control of a single-acting cylinder?

(a)

2/2 NC valve
(b)

3/2 NC valve
(c)

5/4 NC valve
(d)

5/3 NC valve
Answer:

Option (b)

5.

Which circuit suitable where a large single-acting cylinder is to extend and clamp a workpiece when a push-button is pressed, if the push button is released, the clamp is to retract?

(a)

Direct control of single acting cylinder
(b)

Direct control of double-acting cylinder
(c)

Indirect control of single acting cylinder
(d)

Indirect control of double acting cylinder
Answer:

Option (c)

6.

Which type of valve used in the circuit, when the cylinder or valve is to be actuated from two points remote from each other?

(a)

Shuttle valve 
(b)

Check valve
(c)

AND valve 
(d)

Pressure relief valve
Answer:

Option (a)

7.

A shuttle valve used in pneumatic circuit is also known as

(a)

double-check valve
(b)

OR valve 
(c)

both of the mentioned 
(d)

none of the mentioned 
Answer:

Option (c)

8.

Which type of valve used in control of a single acting cylinder in order to hold or lock an operating conveyor or a similar machine?

(a)

OR valve
(b)

AND valve
(c)

NOT valve
(d)

None of the mentioned 
Answer:

Option (c)

9.

Which type of valve used in direct control of a double acting cylinder circuit?

(a)

5/2 DCV
(b)

3/2 DCV
(c)

5/3 DCV
(d)

5/4 DCV
Answer:

Option (a)

10.

A double piloted valve used in indirect control of double-acting cylinder is known as 

(a)

check valve
(b)

flow control valve 
(c)

memory valve 
(d)

OR valve
Answer:

Option (c)

Showing 1 to 10 out of 39 Questions
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