Oil Hydraulics and Pneumatics (3151913) MCQs

MCQs of Hydraulic Pumps, Motors,Valves and Actuators

Showing 41 to 50 out of 53 Questions
2 3 4 5 6
41.

Which type of pump is used for lifting water from the ground surface to the top of the building?

(a)

Centrifugal pump
(b)

Gear pump
(c)

Vane pump
(d)

All of the given
Answer:

Option (a)

42.

Which system uses kinetic energy to transmit power?

(a)

Hydrostatic system
(b)

Hydrodynamic system
(c)

Pneumatic system
(d)

None of the given
Answer:

Option (b)

43.

Which energy is used to transmit power in the hydrostatic system?

(a)

Pressure energy
(b)

Kinetic energy
(c)

Potential energy
(d)

All of the given
Answer:

Option (a)

44.

Which of the following statements are true for the accumulator used in hydraulic systems?

1. Accumulator stores fluid with pressure

2. Accumulator stores fluid without any pressure

3. Accumulator stores compressible liquid

4. Spring is used as an external source to keep the fluid under hydraulic pressure

(a)

1, 2 & 3
(b)

2 & 3
(c)

1 & 4
(d)

2, 3 & 4
Answer:

Option (c)

45.

Which energy is converted into mechanical energy by the hydraulic cylinders?

(a)

Hydrostatic energy
(b)

Hydrodynamic energy
(c)

Electrical energy
(d)

None of the given
Answer:

Option (a)

46.

What is the relation between speed and flow rate for fixed displacement vane pump?

(a)

Flow rate increases with increase in the speed of the rotor
(b)

Flow rate decreases with an increase in speed of rotor
(c)

Flow rate is constant and does not change with change in speed
(d)

None of the given
Answer:

Option (a)

47.

What is the function of a pressure gauge?

(a)

It controls the rate of flow of oil
(b)

It shows the pressure reading
(c)

Controls the direction of flow of oil
(d)

It converts the mechanical energy to hydraulic energy
Answer:

Option (b)

48.

Solenoid valves cannot be used for controlling the valve of a liquid flowing through a channel.

(a)

True
(b)

False
Answer:

Option (b)

49.

has _________.

(a)

1 application port
(b)

2 application ports
(c)

3 application ports
(d)

4 application ports
Answer:

Option (b)

50.

has _______.

(a)

1 exhaust port
(b)

2 exhaust ports
(c)

3 exhaust ports
(d)

4 exhaust ports
Answer:

Option (b)

Showing 41 to 50 out of 53 Questions
2 3 4 5 6