Oil Hydraulics and Pneumatics (2171912) MCQs

MCQs of Design of Hydraulic Circuits

Showing 31 to 40 out of 46 Questions
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31.

What do P and T mean in hydraulics?

(a)

P stands for port and T stands for tank 
(b)

P stands for port and T stands for temperature 
(c)

P stands for pump and T stands for tank 
(d)

P stands for pressure and T stands for temperature
Answer:

Option (c)

32.

The regenerative circuit is used to 

(a)

increase the out-stroke speed of the piston of a double-acting cylinder
(b)

decrease the out-stroke speed of the piston of a double-acting cylinder
(c)

decrease the out-stroke speed of the piston of a single-acting cylinder
(d)

increase the out-stroke speed of the piston of a single-acting cylinder
Answer:

Option (a)

33.

Which type of valve used in the Regenerative circuit?

(a)

4/3 valve 
(b)

3/3 valve 
(c)

3/4 valve 
(d)

5/2 valve 
Answer:

Option (a)

34.

Regenerative circuits are sometimes used to __________

(a)

obtain different speeds in both directions in a differential cylinder
(b)

obtain equal speeds in both directions in a differential cylinder
(c)

obtain equal speeds in one direction in a differential cylinder
(d)

none of the mentioned 
Answer:

Option (b)

35.

A double-pump hydraulic circuit is also known as 

(a)

Regenerative circuit
(b)

Unloading circuit
(c)

Sequencing circuit
(d)

Synchronizing circuit
Answer:

Option (b)

36.

Which of the following circuit that uses a high-pressure, low-flow pump in conjunction with a low-pressure, high-flow pump?

(a)

Regenerative circuit
(b)

Sequencing circuit
(c)

Unloading circuit
(d)

Synchronizing circuit
Answer:

Option (c)

37.

Which of the following circuit use in a typical application like sheet metal punch press in which the hydraulic the cylinder must extend rapidly over a great distance?

(a)

Regenerative circuit
(b)

Sequencing circuit
(c)

Synchronizing circuit
(d)

Unloading circuit
Answer:

Option (d)

38.

In the counterbalance valve circuit, which valve is used to create back pressure or cushioning pressure on the underside of a vertically moving piston?

(a)

Counterbalance valve
(b)

Flow control valve
(c)

Check valve
(d)

Pressure relief valve
Answer:

Option (a)

39.

In a counterbalance circuit, a counterbalance valve  is applied to create back pressure or cushioning pressure on the underside of a vertically moving piston ________________. 

(a)

to prevent the suspended load from falling because of gravity 
(b)

to prevent the suspended load from free-falling because of gravity 
(c)

to prevent the suspended load from free-falling because of vibration  
(d)

none of the mentioned 
Answer:

Option (b)

40.

In the hydraulic circuit, hydraulic cylinders can be operated sequentially using 

(a)

flow control valve 
(b)

check valve
(c)

pressure relief valve
(d)

sequence valve
Answer:

Option (d)

Showing 31 to 40 out of 46 Questions
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