Oil Hydraulics and Pneumatics (3151913) MCQs

MCQs of Circuit Design

Showing 61 to 70 out of 85 Questions
61.

Supply air throttling is a method of speed control of a double-acting cylinder is also called 

(a)

meter-in circuit 

(b)

meter-out circuit 

(c)

both of the mentioned  

(d)

none of the mentioned  

Answer:

Option (a)

62.

Exhaust air throttling is a method of speed control of the double-acting cylinder is also known as 

(a)

meter-in circuit

(b)

meter-out circuit

(c)

both of the mentioned 

(d)

none of the mentioned  

Answer:

Option (b)

63.

In exhaust air throttling _______________ are installed between the cylinder and the main valve in such a way that the exhaust air leaving the cylinder is throttled in both directions of the motion of the cylinder.

(a)

throttle relief valves

(b)

pressure relief valve 

(c)

flow control valve 

(d)

pressure reducing valve

Answer:

Option (a)

64.

Which method is practically used for the speed control of double-acting cylinders?

(a)

Exhaust air throttling

(b)

Supply air throttling

(c)

Both of the mentioned 

(d)

None of the mentioned 

Answer:

Option (a)

65.

Give the significance of every digit used to denote a flow control valve 2.03

A. 3 denotes the forward movement
B. 3 denotes the backward movement
C. 2 denotes the cylinder number
D. 2 denotes the flow control valve number

(a)

A and C

(b)

A and D

(c)

B and D

(d)

B and C

Answer:

Option (d)

66.

Which of the following notations is used to represent a regulator unit?

(a)

3.0

(b)

0.3

(c)

3

(d)

None of the mentioned 

Answer:

Option (b)

67.

The pressure sequence valve used in the pneumatic circuit is 

(a)

combination of adjustable pressure reducing valve and flow control valve

(b)

combination of adjustable pressure reducing valve and check valve

(c)

combination of the non-adjustable pressure relief valve and directional control valve

(d)

combination of the adjustable pressure relief valve and directional control valve

Answer:

Option (d)

68.

Which of the following is used to sense the initial and final positions of a piston rod in the circuit?

(a)

Lever operated direction control valve

(b)

Limit switch

(c)

Roller lever valve

(d)

All of the mentioned 

Answer:

Option (d)

69.

Which numbers are used to denote the retraction of a piston rod in circuit?

(a)

Even numbers

(b)

Odd numbers

(c)

Both even and odd numbers

(d)

None of the mentioned 

Answer:

Option (b)

70.

Which of the following is an element of time delay valve?

(a)

Flow control valve

(b)

Direction control valve

(c)

Both of the mentioned 

(d)

None of the mentioned 

Answer:

Option (c)

Showing 61 to 70 out of 85 Questions