Oil Hydraulics and Pneumatics (3151913) MCQs

MCQs of Circuit Design

Showing 11 to 20 out of 85 Questions
1 2 3 4 5 6
11.

What is the function of the sequence valve used in hydraulic circuits?

(a)

Sequence valves are used to perform a number of operations continuously before the set pressure is reached
(b)

Sequence valves after reaching set pressure oil are flown to the tank
(c)

Sequence valves are used to perform a number of operations one after the other after the set pressure is reached
(d)

None of the mentioned 
Answer:

Option (c)

12.

When is a pressure reducing valve used?

(a)

It is used when lower pressure than system pressure is required
(b)

It is used when higher pressure than system pressure is required
(c)

When absolutely zero pressure is required
(d)

All of the mentioned 
Answer:

Option (a)

13.

Which is/are important considerations in designing a hydraulic circuit?

(a)

Safety of machines and personnel in the event of power failures
(b)

Performance of given operation with minimum losses
(c)

Cost of the component used in the circuit
(d)

All of the mentioned  
Answer:

Option (d)

14.

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)

15.

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)

16.

A _____________ restricts fluid flow.

(a)

Directional control valve
(b)

Shuttle valve
(c)

Pressure relief valve
(d)

Throttle valve
Answer:

Option (d)

17.

Control of a single-acting cylinder, in the spring offset mode, full pump flow goes to the tank through the ____________.  

(a)

pressure-relief valve
(b)

direction control valve 
(c)

throttle valve 
(d)

sequencing valve 
Answer:

Option (a)

18.

In control of a single-acting cylinder, deactivation of the ______ allows the cylinder to retract as the DCV shifts into its spring offset mode.

(a)

flow control valve 
(b)

check valve 
(c)

pressure relief valve 
(d)

direction control valve 
Answer:

Option (d)

19.

Single-acting cylinders are found in

(a)

forklifts
(b)

jacks
(c)

both of the mentioned 
(d)

none of the mentioned 
Answer:

Option (c)

20.

In control of a double-acting cylinder, a double-acting hydraulic cylinder has a port at each end, supplied with hydraulic fluid for________. 

(a)

the extension of the piston
(b)

the retraction of the piston
(c)

both the retraction and extension of the piston
(d)

none of the mentioned 
Answer:

Option (c)

Showing 11 to 20 out of 85 Questions
1 2 3 4 5 6