Oil Hydraulics and Pneumatics (3151913) MCQs

MCQs of Hydraulic Pumps, Motors,Valves and Actuators

Showing 1 to 10 out of 53 Questions
1.

Match the following group 1 items with group 2 items and select the correct option.

1. Radial motor ---------------------------  A. Swashplate

2. Axial motor ----------------------------- B. Crankshaft motor

3. Orbit ------------------------------------ C. Vane motor

4. Low torque motor ---------------------- D. Geroller motor

(a)

1-B, 2-A, 3-D, 4-C

(b)

1-A, 2-C, 3-B, 4-D

(c)

1-C, 2-A, 3-B, 4-D

(d)

1-B, 2-D, 3-A, 4-C

Answer:

Option (a)

2.

Cam lobe hydraulic motor is a type of_______.

(a)

Axial hydraulic motor

(b)

Orbit hydraulic motor

(c)

Gear hydraulic motor

(d)

radial hydraulic motor

Answer:

Option (d)

3.

Which of the following is a type of low-torque high-speed motor?

(a)

Radial piston motors

(b)

Axial piston motors

(c)

Bent axis motor

(d)

Gear motor

Answer:

Option (d)

4.

Motors used in high-speed applications have

(a)

High torque with high speed

(b)

Low torque with high speed

(c)

High torque with low speed

(d)

None of the given

Answer:

Option (b)

5.

Which motor causes heavy loads due to its usage in order to move at constant lower speeds?

(a)

Low-torque high-speed motors

(b)

High-torque low-speed motors

(c)

Both of the given

(d)

None of the given

Answer:

Option (b)

6.

Low-torque high-speed motors are used in_____

(a)

Cranes

(b)

Winches

(c)

Fans

(d)

None of the given

Answer:

Option (c)

7.

What is the function of the hydraulic motor?

1. hydraulic motor converts hydraulic oil under pressure into torque and angular displacement

2. hydraulic motor converts hydraulic oil under pressure into force and linear displacement

3. hydraulic motor converts hydraulic energy into mechanical energy

4. hydraulic motor converts mechanical energy into hydraulic energy

(a)

1 and 4

(b)

1 and 3

(c)

2 and 3

(d)

2 and 4

Answer:

Option (b)

8.

In which of these pumps, swashplate is replaced by a cylinder block?

(a)

Bent axis piston pump

(b)

Radial piston pump

(c)

Axial piston pump

(d)

None of the given

Answer:

Option (a)

9.

Which of the following statements are true?

1. piston pumps are self-priming

2. piston pumps require high maintenance

3. piston pumps have a low cost of production

4. piston pumps have low volumetric efficiency

(a)

1 & 2

(b)

3 & 4

(c)

1 & 3

(d)

All of the given

Answer:

Option (a)

10.

How is the arrangement of pistons in piston pumps?

(a)

Axially

(b)

Radially

(c)

Both of the given

(d)

None of the given

Answer:

Option (c)

Showing 1 to 10 out of 53 Questions