Oil Hydraulics and Pneumatics (3151913) MCQs

MCQs of Circuit Design

Showing 41 to 50 out of 85 Questions
41.

Which hydraulic circuit can be used in a production operation such as drilling?

(a)

Regenerative circuit

(b)

Double-pump circuit

(c)

Sequencing circuit

(d)

Unloading circuit

Answer:

Option (c)

42.

In which type of circuit, the FCV is placed in the line leading to the inlet port of the cylinder?

(a)

Meter-in circuit 

(b)

Meter-out circuit

(c)

Sequencing circuit

(d)

Unloading circuit

Answer:

Option (a)

43.

In which type of the circuit, the FCV is placed in the outlet line of the hydraulic cylinder?

(a)

Meter-in circuit

(b)

Meter-out circuit

(c)

Sequencing circuit

(d)

Unloading circuit

Answer:

Option (b)

44.

Which circuit used as primary when the external load opposes the direction of motion of the hydraulic cylinder?

(a)

Meter-in circuit

(b)

Meter-out circuit

(c)

Sequencing circuit

(d)

Unloading circuit

Answer:

Option (a)

45.

Which circuit is preferred, when a load is pulled down due to gravity?

(a)

Meter-in circuit

(b)

Meter-out circuit

(c)

Sequencing circuit

(d)

Unloading circuit

Answer:

Option (b)

46.

The Fail-safe circuits are designed to

(a)

prevent injury to the operator or damage to the equipment

(b)

prevent the system from accidentally falling on an operator

(c)

prevent overloading of the system

(d)

all of the mentioned 

Answer:

Option (d)

47.

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)

48.

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)

49.

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)

50.

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)

Showing 41 to 50 out of 85 Questions