Hydraulic and Pneumatics MCQ Question and Answer | ITI FITTER 2 YEAR

ITI Fitter 2 YEAR Trade Hydraulic and Pneumatics MCQ Question and Answer for CBT Online exam for NCVT AITT (All India Trade Test).  Practice all FITTER Trade MCQ (Multiple choice Question). Also you can practice mock test exam online

Fitter 2 year Trade MCQ also useful for competitive exam like PSU Job exam As well as Government Job Exam, Apprentice job.

ITI Fitter 2 year | Hydraulic and Pneumatics MCQ

1.

Which energy is converted in hydraulic pump?

1. Thermal energy to hydraulic energy
2. Electrical energy to hydraulic energy
3. Pneumatic energy to hydraulic energy
4. Mechanical energy to hydraulic energy

2.

Which type of valve connections are opened or closed by means of spool slide?

1. Check valve
2. Butterfly valve
3. Solenoid valve
4. Non-return valve

3.

What is the name of the limit gauge?

1. Relief valve
2. Thermometer
3. Shut-off valve
4. Pressure gauge

4.

How hydraulic transmission force is control?

1. By air
2. By gears
3. By fluids
4. By electric

5.

Which valve is used to permit fluid flow in one direction and block flow in opposite direction?

1. Check valve
2. Shuttle valve
3. Orifice check valve
4. Pressure relief valve

6.

What is the name of the part marked as ‘x’ in non-return valve?

1. Disc
2. Stop plug
3. Hinge pin
4. Disc hinge nut

7.

Which valve has two inlet / one outlet in hydraulic / pneumatic system?

1. Slide valve
2. Check valve
3. Shuttle valve
4. Solenoid valve

8.

What is the name of the symbol?

1. Moving part of valve
2. Pressure relief valve
3. Double acting cylinder
4. Single acting cylinder with spring return

9.

Why in hydraulic pump the filter is installed in suction line?

1. Reduce the oil to enter
2. Preventing foreign matter
3. Reduce pressure in the pump
4. Increase the pressure in the pump

10.

Which valve is used for fine control of flow in pipe line?

1. Gate valve
2. Globe valve
3. Needle valve
4. Non - return valve

11.

Which valve is used to permit fluid to flow in one direction and block the flow in oppsite direction?

1. Globe valve
2. Check valve
3. Shuttle valve
4. Pressure relief valve

12.

Which valve protect against excessive pressure in hydraulic system?

1. Gate valve
2. Globe valve
3. Relief valve
4. Non-return valve

13.

What is the name of the limit gauge?

1. Pressure Gauge
2. Temperature gauge
3. Receiver gauge
4. Precision gauge

14.

Which pressure value is read through pressure gauge?

1. Gauge Pressure
2. Atmospheric Pressure
3. Vacuum Pressure
4. Absolute Pressure

15.

Which formula is used to calculate the pressure?

1. Force + Area
2. Force/Area
3. Force - Area
4. Force x Area

16.

Which formula is used to calculate the absolute pressure?

1. Atmospheric Pressure - Gauge Pressure
2. Atmospheric Pressure + Gauge Pressure
3. Atmospheric Pressure x Gauge Pressure
4. Atmospheric Pressure ÷ Gauge Pressure

17.

What is the unit of pressure in SI unit?

1. Kilogram
2. Pascal
3. Pound
4. Meter

18.

Which term is a metric unit of pressure equal to 1,00,000 pascal?

1. Millibar
2. Kilo Pascal
3. Bar
4. Newton

19.

What is the value of bar in metric unit of pressure?

1. 1 kg/ mm2
2. 1 kg/ cm2
3. 1 kg/ m2
4. 1 kg/ dm2

20.

Which formula is used to calculate force?

1. Pressure ÷ Area
2. Pressure x Area
3. Pressure - Area
4. Pressure + Area

21.

What is the unit of force in SI unit?

1. Kilogram
2. Newton
3. Dyne
4. Pounds

22.

Which law states that the pressure exerted on a liquid is transmitted equally in all the directions?

1. Boyle's Law
2. Pascal's Law
3. Hook's Law
4. Archimedes Principle

23.

Which law states that mass of gas is compressed or expanded at a constant temperature, then the absolute pressure is inversely proportional to the volume?

1. Pascal's Law
2. Boyle's Law
3. Archimedes Principle
4. Hook's Law

24.

What is the name of the valve?

1. Flow control valve
2. Ball type check valve
3. Swing check valve
4. Pressure type valve

25.

What is the name of the valve symbol?

1. Directional control valve
2. Flow control valve
3. 3/2 way valve
4. 5/2 way valve

26.

What is the name of the pneumatic valves?

1. Directional control valve
2. Roller valve
3. Pressure valve
4. Flow control valve

27.

What is the name of the pneumatic symbol?

1. Filter
2. Lubricator
3. Dryer
4. Pressure gauge

28.

What is the name of the valve?

1. 5 port 2 position valve
2. 3 port 2 position valve
3. 4 port 3 position valve
4. 4 port 2 position valve

29.

What is the name of the part marked as 'X'?

1. Cylinder
2. Piston
3. Spring
4. Inlet port

30.

What is the name of part marked as 'X'?

1. Cylinder
2. Piston
3. Seal
4. Spring

31.

What is the formula for the cylinder output force?

1. F  P  10 A
2. F  A 10 P
3. F  PA10
4. F  10P A

32.

What is the volumatical efficiency of piston type motor?

1. 80%
2. 75%
3. 98%
4. 95%

33.

Which parameter is specifies to design hydromotor?

1. Maximum operating pressure
2. Maximum oil saving method
3. Maximum piston size
4. Maximum cylinder size

34.

What is the name of the motor?

1. Gear type of motor
2. Vane type motor
3. Axcial piston motor
4. Radial piston motor

35.

What is type of hydromotor?

1. Gear type
2. Valve type
3. Piston type
4. Propeller type

36.

What is the name of the limit gauge?

1. 4 type
2. 3 type
3. 5 type
4. 2 type

37.

What is the name of the part marked 'X' in double acting cylinder?

1. Guide ring
2. Piston rod
3. Lock nut
4. Cylinder cap

38.

What is the name of the symbol used in hydraulic cylinder?

1. Single acting cylinder piston
2. Single acting return piston
3. Double acting power stoke
4. Double acting with crushing

39.

How direction control valves are classified?

1. Number of parts and position
2. Direction of flow
3. Maximum pressure of valve
4. Direction of pressure

40.

What is the type of suction control valve?

1. 2/2 way valve
2. 3/2 way valve
3. 4/2 way valve
4. 4/3 way valve

41.

What is the name of the circuit diagram?

1. 2/2 way valve
2. 3/2 way valve
3. 4/2 way valve
4. 4/3 way valve

42.

What is the name of the part marked as 'X' in Hydraulic power System?

1. Two piston value
2. Double acting cylinder
3. Pump
4. Reservoir

43.

Which gauge indicates the amount of fluid pressure in the hydraulic system?

1. Vacuum gauge
2. Pressure gauge
3. Fluid gauge
4. Pneumatic gauge

44.

What is the name of the adjustable restrictors?

1. Needle restrictor
2. Longitudinal restrictor
3. Gap restrictor
4. Circumferential restrictor

45.

What is the name of the limit gauge?

1. 10V- 140V
2. 12V - 220V
3. 15V - 200V
4. 200V - 240V

46.

What is the name of the part marked 'X' in one way flow control valve?

1. Throttling screw
2. Notch
3. Opening of spring ball
4. Valve set

47.

What is the type of the solenoid valve?

1. 5/2 way double solenoid valve
2. 5/2 way single solenoid valve
3. 3/2 way single solenoid valve
4. Double solenoid valve

48.

What is the type of the filter?

1. Absorbent filter
2. Mechanical filter
3. Magnetic filter
4. Return line filter

49.

Which System gets compressed air as energy inputs?

1. Hydraulic System
2. Pneumatic System
3. Electrical System
4. Mechanical System

50.

What is the science under that you study the properties and application of air?

1. Hydraulic System
2. Pneumatic System
3. Electrical System
4. Mechanical System

51.

What is the name of the limit gauge?

1. Atmospheric Pressure
2. Absolute Pressure
3. Gauge Pressure
4. Vacuum Pressure

52.

Which system is used to move load with less efforts?

1. Pneumatic
2. Hydraulic
3. Pressure
4. Flow of Air

53.

Which actuation is under the applications of pneumatics?

1. Drag
2. Push
3. Close
4. Open

54.

Which system is used liquid as transmitting fluid?

1. Pneumatic system
2. Hydraulic
3. Electrical
4. Mechanical

55.

What is shown in Figure?

1. Work done in mechanical and Pneumatic system
2. Work done in mechanical and Hydraulic system
3. Work done in mechanical and Electrical system
4. Work done in mechanical and Electronic system

56.

What is the name of the Hydraulic Circuit?

1. 5/2 way circuit
2. 4/2 way circuit
3. 3/2 way circuit
4. By - Pass circuit

57.

Which valves are used to control the direction of the flow of fluid?

1. Flow control valve
2. Non - return valve
3. Pressure control valve
4. Directional control valve

58.

Which part of the single acting cylinder is attached with the load?

1. Spring
2. Seal
3. Piston
4. Piston Rod

59.

Which device in pneumatics is used for converting pressure energy of compressed air is to mechanical energy?

1. Pneumatic actuators
2. Filter
3. Regulator
4. Cylinder

60.

What is the purpose of direction control valve in hydraulic system?

1. Open or close
2. Increase the pressure
3. Decrease the pressure
4. Control the valve

61.

What is the name of the limit gauge?

1. Elevator Jack
2. Oil Pumps
3. Rotating motor
4. Hydro motor

62.

Which energy is converted by hydro static pressure of the oil?

1. Electrical energy
2. Mechanical energy
3. Penumatic energy
4. Hydraulic energy

63.

Which valve block flow in one direction and allow free flow in the other direction?

1. Non- return valve
2. 4/2 way Valve
3. Gate valve
4. Globle valve

64.

Where hydraulic by-pass circuit is used common?

1. Milling machine
2. Turning machine
3. Grinding machine
4. Shearing machine

65.

What is hydraulic function?

1. Hydrostatic Pressure
2. Transmission of fluid pressure
3. Inequal piston areas
4. Turbulent flow

66.

Which energy is present in oil by virtue of its motion?

1. Potential energy
2. Kinetic energy
3. Static energy
4. Heat energy

67.

Which property of oil that controls the flow in hydraulic system?

1. Viscosity
2. Oilness
3. Pour point
4. Flash point

68.

What is the name of the device used to remove dust, chips and other foreign particles from the fluid?

1. Pressure regulating valve
2. Filter
3. Accumulator
4. Regulator

69.

Which valve is used as interface between the electrical and pneumatic system?

1. Roller valve
2. Flow control valve
3. Solenoid valve
4. Pressure relief valve

70.

Which valve is used for mechanical position to sense in machine automation system?

1. Pressure relief valve
2. Roller valve
3. Flow control valve
4. Directional valve

71.

Which valve is used to remove the excess amount of oil in the hydraulic system?

1. Pressure relief valve
2. Pressure reducing valve
3. Pressure regulator valve
4. Roller valve

72.

Which valve is a orifice or restrictor in hydraulic system?

1. Flow control valve
2. Check valve
3. Direction control valve
4. Pressure Valve

73.

Which device makes the different flow rate of oil?

1. Throttle valve
2. Pressure valve
3. Orifice
4. Restriction flow

74.

What is the periodic oil drain from the compressor?

1. Once in a week
2. Once in a month
3. Once in every 3 months
4. Once in every 6 months

75.

Which type of filters are used for trapping various sizes of particular matter?

1. Mechanical filter
2. Absorbent filter
3. Magnetic filter
4. Suction filter

76.

Which type of filter is used to remove ferrous materials from oil in hydraulic system?

1. Pressure line filter
2. Offline filter
3. Magnetic filter
4. Absorbent filter

77.

Which property in hydraulic oil function is medium for heat transfer?

1. Shear stability
2. Low volatility
3. Low foaming tendency
4. Good thermal capacity and conductivity

78.

Which device is used for handling and removing contaminations from hydraulic oil?

1. Hydraulic filter
2. Actuators
3. Valve
4. Regulator

79.

Which part of double acting cylinder prevents air leakage from cylinder to atmosphere?

1. Piston seal
2. Rod Seal
3. Piston end
4. Rod end

80.

What is the defect caused by inter locked air bubbles and pockets in the hydraulic pipe lines and components?

1. Cavitation
2. Static pressure
3. Vapour Pressure
4. Pressure jerks

81.

What is the cause if oil flow under pressure while passing through the restricted passage?

1. Increase Heat
2. Decrease Heat
3. Decrease volume
4. Increase pressure

82.

Which valve prevents the system pressure from rising too high if the pressure regulating valve fails?

1. Check valve
2. Relief valve
3. Pressure valve
4. Direction control valve

83.

Which causes more than 90% of hydraulic system failure?

1. Contamination of hydraulic fluid
2. Leak of valve
3. Pump
4. Electric power

84.

Which type of filter helps to protect the pump from fluid contaminations?

1. Suction filter
2. Magnetic filter
3. Absorbent filter
4. Mechanical filter