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Pneumatic Systems Quiz

Total questions: 157

Worksheet time: 3hrs 54mins

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.

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

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7.

The operating speed of pneumatic system is.

(a)  

8.

Single Acting Cylinder permits a thrust in two direction.

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9.

Shuttle valve is also called an valve.

(a)  

10.

Cylinders are used where large force is required.

(a)  

11.

Which of the Following is a Electrical method of Actuating the Cylinder?

(a)  

12.

In swash plate Hydraulic motor, Friction is held to an absolute minimum by using.

(a)  

13.

Hydraulic Pump is a device which is used to convert Mechanical energy into Electrical Energy.

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14.

Intensifier used in pneumatic systems has output pressure.

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15.

Controllable high force obtains from.

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16.

The gas conforms the shape of the container because it.

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17.

In perfect gas law V1/T1=V2/T2.

(a)  

18.

The individual fluid particles don’t cross one and move along well defined path. This flow is known as.

(a)  

19.

is the compressor outlet pressure or the pressure in the receiver /pipelines.

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20.

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

(a)  

21.

Selection of Pipe diameter is done with.

(a)  

22.

system air can be fed from two sides to point of consumption.

(a)  

23.

To calculate pressure drop to be calculated.

(a)  

24.

Device which transform pneumatic energy into mechanical rotary movement is known as.

(a)  

25.

Stroke length of SAC will be in the range of.

(a)  

26.

Which of the following element not belongs to the Energy source of a Pneumatic system.

(a)  

27.

piston speed of the impact cylinder is between.

(a)  

28.

In the Symbol of Pneumatic DC valve '3' and '5' represents.

(a)  

29.

In Cylinder, it is possible to perform a working movement in both directions.

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30.

Cylinders are used where large force is required.

(a)  

31.

In cylinder, Two double acting cylinder which have been joined to form a single unit.

(a)  

32.

In 3/2 DC valve, number of working port are.

(a)  

33.

cylinders are a special design, which provide an exceptionally long output travel.

(a)  

34.

What are manual actuation.

(a)  

35.

Measuring devices are.

(a)  

36.

Energy and pressure transfer medium.

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37.

In electro pneumatic circuits Spool is shifted by.

(a)  

38.

In which power transmission system have the advances of lesser space, power to size ratio of components and does not present a fire hazard.

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39.

Constant force or torque we can obtain from.

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40.

The unit of Specific gravity.

(a)  

41.

DENSITY or SPECIFIC MASS=m X V.

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42.

In perfect gas law P1V1/T1 = P2V2/T2.

(a)  

43.

The property of resistance to flow, it’s called as.

(a)  

44.

Electric Motor is one of the Prime Mover of.

(a)  

45.

Sliding Vane compressor is a type of.

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46.

Explosion proof is a positive characteristics of.

(a)  

47.

For removing heat required in the case of a compressor plant with a drive power in excess of 30kW.

(a)  

48.

The size of compressor air reservoir depends on the.

(a)  

49.

pipe material is selected based on parameter.

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50.

Another name of FRL unit.

(a)  

51.

Air cooled after coolers Should have outlet Air temperature of.

(a)  

52.

Chemical used in Absorption Dryer.

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53.

The unit for theoretical piston force is.

(a)  

54.

In diaphragm cylinder, diaphragm can be made of.

(a)  

55.

Stroke length of SAC will be in the range of.

(a)  

56.

In which power transmission system have the advances of lesser space, power to size ratio of components and does not present a fire hazard.

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57.

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

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58.

Volumetric flow rate Q =v' / 'A'.

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59.

Specific volume =Mass/Volume falls under HYDRO-DYNAMICS.

(a)  

60.

is the branch of a science, which deals with the characteristics and properties of fluid, when it is in rest condition.

(a)  

61.

deals with the characteristics and properties of fluid, when it is in rest condition.

(a)  

62.

The gas conforms the shape of the container because it.

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63.

Exhaust Regulation is a type of Regulation.

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64.

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

(a)  

65.

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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66.

is one of the Prime Mover of a compressor.

(a)  

67.

In pneumatic system pressure fluctuations the compensated by.

(a)  

68.

Air cooled after coolers Should have outlet Air temperature of.

(a)  

69.

pressure loss occurs.

(a)  

70.

Selection of Pipe diameter is done with.

(a)  

71.

pipe material is selected based on parameter.

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72.

The most effective way to remove the major part of condensate, is to subject it to the.

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73.

immediately after compression.

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74.

ring main system air can be fed from two sides to point of consumption. this will reduce pressure drop.

(a)  

75.

Which type valve allows flow only in one direction.

(a)  

76.

The cylinder in which the compressed air moves the piston in only one direction is.

(a)  

77.

The working principle of turbine motor will be reverse of.

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78.

The example of fluid transport system is.

(a)  

79.

The example of fluid transport system is

(a)  

80.

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

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81.

The pneumatic system employs as the fluid medium

(a)  

82.

Hydraulic power transmission suitable for

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83.

law comes under HYDRO-STATICS.Boyle’s law

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84.

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

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85.

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

(a)  

86.

T K (temperature in Kelvin) =273 X °C

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87.

Pressure=m X V

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88.

1 bar = N/m2

(a)  

89.

Explosion proof is a positive characteristics of hydraulic oil

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90.

Generally operating pressure of a pneumatic system is.

a)

Bar

b)

6

91.

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

(a)  

92.

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

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93.

To prevent overheating of a compressor internal motor

(a)  

94.

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

(a)  

95.

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

(a)  

96.

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

(a)  

97.

Refrigerant drying unit has

(a)  

98.

Pressure losses should made up by

(a)  

99.

Pneumatic fittings are having tighter & pressure requirement

(a)  

100.

Another name of Adsorption Dryer

(a)  

101.

Which type valve has 2 inlets & 1 outlet

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102.

Eccentric rotors are generally used in which of the following machines

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103.

The unit for operating pressure is

(a)  

104.

Correct Answer

a)

control

b)

Utilization

c)

Power transmission

105.

Charle’s law

a)

Gay lussac’s law

b)

General gas law

106.

Cooling fins

a)

Fans

b)

All of the above

107.

Dynamic

a)

Radial flow

b)

Centrifugal

108.

10°C

a)

15°C

b)

25°C

109.

m3

a)

m4

b)

mm

110.

radial flow compressor

a)

centrifugal compressor

b)

axial flow compressor

111.

15m/s

a)

1.5 m/s

b)

1.2m/s

112.

One direction

a)

three direction

b)

all the above

113.

Control valves

a)

AND Gate valve

b)

OR Gate valve

114.

Single Acting Cylinder

a)

Telescopic Cylinder

b)

Double Acting Cylinder

115.

Solenoid

a)

Lever

b)

Ball and Cam

116.

axial bearings

a)

Both A & B

b)

None of the Above

117.

Pneumatic Energy

a)

Hydraulic Energy

b)

Wind Energy

118.

More than Input Pressure

a)

Same as input pressure

b)

All of the above

119.

Pneumatic system

a)

Electrical system

b)

None

120.

Has a definite Mass

a)

Doesn’t possess the definite volume

b)

The inter molecular forces are extremely small

121.

Charle’s law

a)

Gay lussac’s law

b)

General gas law

122.

Laminar flow

a)

Turbulent flow

b)

none laminar

123.

Operational Pressure

a)

PRESSURE

b)

ATM PRESSURE

124.

Air Filter

a)

Compressor

b)

Air Dryer

125.

pie

a)

histogram

b)

pareto

126.

ring main

a)

secondary lines

b)

none

127.

thickness

a)

material

b)

width

128.

hydraulic turbine

a)

pneumatic compressor

b)

pneumatic motor

129.

200 mm

a)

300 mm

b)

400 mm

130.

Air Compressor

a)

Air Cooler

b)

double acting Cylinder

131.

0 to 2m/s

a)

1 to 5m/s

b)

7.5 to 8m/s

132.

input port

a)

valve

b)

Exhaust port

133.

Tandem cylinder

a)

Double Acting Cylinder

b)

None of the Above

134.

Single Acting Cylinder

a)

Telescopic Cylinder

b)

Double Acting Cylinder

135.

two

a)

three

b)

nil

136.

lever

a)

pedal

b)

all the above

137.

thermometer

a)

flow meter

b)

all the above

138.

electric motor

a)

control line

b)

all the above

139.

control air

a)

electromotive force

b)

All of the Above

140.

Hydraulic power transmission

a)

Mechanical power transmission

b)

Electrical power transmission

141.

Hydraulic power transmission

a)

Mechanical power transmission

b)

Both a & b

142.

N/m3

a)

No units

b)

M3/kg

143.

m / V

(a)  

144.

Density

a)

Compressibility

b)

Surface density

145.

Electric Motor

a)

Hydraulic Pump

b)

Hydraulic Motor

146.

Flow compressor

a)

Rotary piston compressor

b)

None

147.

diesel

a)

compressed air

b)

electrical system

148.

Fan Cooling

a)

Air Dryer

b)

Cooling fins

149.

Air consumption

a)

Network size

b)

All of above

150.

Freedom from leaks

a)

Resistant to corrosion

b)

all the above

151.

Compression unit

a)

Receiving unit

b)

none

152.

10°C

a)

15°C

b)

25°C

153.

Dehydrated chalk

a)

both a & b

b)

none

154.

pascal

a)

newton

b)

tesla

155.

plastic

a)

metal

b)

all of the above

156.

200 mm

a)

300 mm

b)

400 mm

157.

Pneumatics systems

a)

Fluid power systems

b)

Hydraulic systems