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Pneumatic Systems Quiz

Total questions: 89

Worksheet time: 1hrs 22mins

Name
Class
Date
1.

A fluid is a substance which is capable of flowing.

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2.

In (a)   gas law P1V1 = P2V2.

3.

Water cooling is commonly used for cooling automobile internal combustion engines and power stations.

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4.

The principle of increases the pressure of a definite volume of air by reducing volume in an enclose change. This compressor called.

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5.

Water cooled after coolers should have outlet air temperature of.

(a)  

6.

Useful piston area is measured in.

(a)  

7.

The working principle of piston motor is just the reverse of rotary piston compressor.

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8.

The operating speed of pneumatic system is.

(a)  

9.

Single Acting Cylinder permits a thrust in two direction.

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10.

Shuttle valve is also called an valve.

(a)  

11.

The example of fluid transport system is

(a)  

12.

The systems are primarily designed to perform work the system is called as

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13.

The pneumatic system employs as the fluid medium

(a)  

14.

Hydraulic power transmission suitable for

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15.

law comes under HYDRO-STATICS.Boyle’s law

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16.

In perfect gas law P1/T1 = P2/T2Boyle’s law

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17.

In which pressure measurement, the atmospheric Pressure is taken as datum

(a)  

18.

T K (temperature in Kelvin) =273 X °C

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19.

Pressure=m X V

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20.

1 bar = N/m2

(a)  

21.

Explosion proof is a positive characteristics of hydraulic oil

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22.

Generally operating pressure of a pneumatic system is.

a)

Bar

b)

6

23.

"Limited output" is one of the characteristics of Compressed air.

(a)  

24.

In order to maintain the required delivery volume of the compressor to the fluctuating consumption, it is necessary to

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25.

To prevent overheating of a compressor internal motor

(a)  

26.

The storage tank in a pneumatic power unit is known as.

(a)  

27.

of pressure is necessary because at pressure above optimum, rapid wear will take place with little or no increase in output

(a)  

28.

line slope of 1 in 100 in the direction of flow is given

(a)  

29.

Refrigerant drying unit has

(a)  

30.

Pressure losses should made up by

(a)  

31.

Pneumatic fittings are having tighter & pressure requirement

(a)  

32.

Another name of Adsorption Dryer

(a)  

33.

Which type valve has 2 inlets & 1 outlet

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34.

Eccentric rotors are generally used in which of the following machines

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35.

The unit for operating pressure is

(a)  

36.

Correct Answer

a)

Option 2

b)

Option 3

c)

Option 4

37.

control

a)

Utilization

b)

Power transmission

38.

Charle’s law

a)

Gay lussac’s law

b)

General gas law

39.

Cooling fins

a)

Fans

b)

All of the above

40.

Dynamic

a)

Radial flow

b)

Centrifugal

41.

10°C

a)

15°C

b)

25°C

42.

m3

a)

m4

b)

mm

43.

radial flow compressor

a)

centrifugal compressor

b)

axial flow compressor

44.

15m/s

a)

1.5 m/s

b)

1.2m/s

45.

One direction

a)

three direction

b)

all the above

46.

Control valves

a)

AND Gate valve

b)

OR Gate valve

47.

Single Acting Cylinder

a)

Telescopic Cylinder

b)

Double Acting Cylinder

48.

Solenoid

a)

Lever

b)

Ball and Cam

49.

axial bearings

a)

Both A & B

b)

None of the Above

50.

Pneumatic Energy

a)

Hydraulic Energy

b)

Wind Energy

51.

More than Input Pressure

a)

Same as input pressure

b)

All of the above

52.

Pneumatic system

a)

Electrical system

b)

None

53.

Has a definite Mass

a)

Doesn’t possess the definite volume

b)

The inter molecular forces are extremely small

54.

Charle’s law

a)

Gay lussac’s law

b)

General gas law

55.

Laminar flow

a)

Turbulent flow

b)

none laminar

56.

Operational Pressure

a)

PRESSURE

b)

ATM PRESSURE

57.

Air Filter

a)

Compressor

b)

Air Dryer

58.

pie

a)

histogram

b)

pareto

59.

ring main

a)

secondary lines

b)

none

60.

thickness

a)

material

b)

width

61.

hydraulic turbine

a)

pneumatic compressor

b)

pneumatic motor

62.

200 mm

a)

300 mm

b)

400 mm

63.

Air Compressor

a)

Air Cooler

b)

double acting Cylinder

64.

0 to 2m/s

a)

1 to 5m/s

b)

7.5 to 8m/s

65.

input port

a)

valve

b)

Exhaust port

66.

Tandem cylinder

a)

Double Acting Cylinder

b)

None of the Above

67.

Single Acting Cylinder

a)

Telescopic Cylinder

b)

Double Acting Cylinder

68.

two

a)

three

b)

nil

69.

lever

a)

pedal

b)

all the above

70.

thermometer

a)

flow meter

b)

all the above

71.

electric motor

a)

control line

b)

all the above

72.

control air

a)

electromotive force

b)

All of the Above

73.

Hydraulic power transmission

a)

Mechanical power transmission

b)

Electrical power transmission

74.

Hydraulic power transmission

a)

Mechanical power transmission

b)

Both a & b

75.

N/m3

a)

No units

b)

M3/kg

76.

m / V

(a)  

77.

Density

a)

Compressibility

b)

Surface density

78.

Electric Motor

a)

Hydraulic Pump

b)

Hydraulic Motor

79.

Flow compressor

a)

Rotary piston compressor

b)

None

80.

diesel

a)

compressed air

b)

electrical system

81.

Fan Cooling

a)

Air Dryer

b)

Cooling fins

82.

Air consumption

a)

Network size

b)

All of above

83.

Freedom from leaks

a)

Resistant to corrosion

b)

all the above

84.

Compression unit

a)

Receiving unit

b)

none

85.

10°C

a)

15°C

b)

25°C

86.

Dehydrated chalk

a)

both a & b

b)

none

87.

pascal

a)

newton

b)

tesla

88.

plastic

a)

metal

b)

all of the above

89.

200 mm

a)

300 mm

b)

400 mm