Quiz Questions

HYDRAULIC AND PNEUMATIC SYSTEMITI (ITISKILL6895NY)

Question 1 1 Marks
Which measure the liquid's resistance of flow?
A
Gravity
B
Elasticity
C
Quality
D
Viscosity
Question 2 1 Marks
Which law is applied in hydraulic brake system?
A
Boyle's law
B
Charles law
C
Pascal's law
D
Newton's law
Question 3 1 Marks
Which law states that the pressure intensity of a static liquid equal in all direction?
A
Boyle's law
B
Pascal's law
C
Charle's law
D
Newton's law
Question 4 1 Marks
How many switching position in 4/2 directional control valve?
A
Four
B
Two
C
One
D
Three
Question 5 1 Marks
What is the function of hydraulic oil in hydraulic system?
A
Transmit power
B
Increase the heat
C
Increase the volume
D
Reduce the pressure
Question 6 1 Marks
What is the power flow of pneumatic system?
A
Compressor - Actuator - Control valve
B
Control valve - Compressor - Actuator
C
Actuator - Control valve - Compressor
D
Compressor - Control valve - Actuator
Question 7 1 Marks
Which type of pump used in the hydraulic jack?
A
Gear pump
B
Plunger pump
C
Vane pump
D
Internal gear pump
Question 8 1 Marks
Which device converts mechanical energy into pneumatic energy?
A
Actuator
B
Generator
C
Alternator
D
Compressor
Question 9 1 Marks
Which device converts hydraulic energy into mechanical energy?
A
Actuator
B
Regulator
C
Compressor
D
Control Valve
Question 10 1 Marks
Which valve safe guards the hydraulics jack?
A
Relief valve
B
Shut off valve
C
Non return valve 1
D
Non return valve 2
Question 11 1 Marks
Which device transmit the pressure equally to all wheel cylinders in hydraulic brake?
A
Slave cylinder
B
Servo cylinder
C
Master cylinder
D
Booster cylinder
Question 12 1 Marks
Which component of air brake system converts pneumatic into mechanical energy?
A
Reservoir
B
Brake valve
C
Compressor
D
Brake chamber
Question 13 1 Marks
Which service unit act as filter, regulator and lubricator in the pneumatic system?
A
Air service unit
B
Compressor unit
C
Valve unit
D
Actuator unit
Question 14 1 Marks
Which part operates the brake shoe in the hydraulic brake system?
A
Break drum
B
Break pedal
C
Wheel cylinder
D
Master cylinder
Question 15 1 Marks
Which is the power source of pneumatic system?
A
Actuator
B
Control value
C
Air Compressor
D
Air Service unit
Question 16 1 Marks
What is the working media in pneumatic system?
A
Air
B
Oil
C
Diesel
D
Stream
Question 17 1 Marks
Which act as a seal in the external gear pump?
A
Housing
B
Drive gear
C
Driven gear
D
Gear meshing
Question 18 1 Marks
Which valve regulate the flow rate in hydraulic system?
A
By pass
B
Delivery
C
Non return
D
Pressure relief
Question 19 1 Marks
Which part in the internal gear pump act as seal?
A
Gears
B
Gasket
C
Sealing ring
D
Crescent-shaped spacer
Question 20 1 Marks
What is the direction of driven gear in an external gear pump?
A
Same direction
B
Inclined direction
C
Opposite direction
D
Perpendicular direction
Question 21 1 Marks
Which unit supplies a fine mist of oil in pneumatic system?
A
Actuator
B
Control valve
C
Air service unit
D
Pressure relief valve
Question 22 1 Marks
What is the type of inner drive gear used in the internal gear oil pump?
A
Spur gear
B
Spiral gear
C
Rotor gear
D
Helical gear
Question 23 1 Marks
What is the reason for pneumatic brake failure?
A
Less pedal play
B
More pedal play
C
Defective unloader valve
D
Defective front wheel slack adjuster
Question 24 1 Marks
What is the effect if the unloader valve is in open position?
A
Release the air to the brake valve
B
Allow the air in to the air tank
C
Maintain the required air pressure
D
Continuously allow the air to the atmosphere
Question 25 1 Marks
Which valve is to be closed before lifting the load with hydraulic jack?
A
Relief valve
B
Shut of valve
C
Non return valve-1
D
Non return valve-2
Question 26 1 Marks
Which valve save the pneumatic brake components against damage?
A
Brake valve
B
Check valve
C
Relay valve
D
Unloader valve