Fitter –Semester 4, Module 3 -Hydraulic and Pneumatics
Common for All Fitter Trade 2nd Year part -2
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NAME *
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NAME OF THE ITI *
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MOBILE NUMBER *
1 Which gauge indicates the amount of fluid pressure in the hydraulic system? *
2 points
2 What is the name of adjustable restrictor? *
2 points
3 What is the operating voltage of electro pneumatics? *
2 points
4 What is the name of the part marked as X inone way flow control valve? *
2 points
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5 What is the type of solenoid valve? *
2 points
6 What is the type of filter *
2 points
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7 Which system gets compressed air as energy inputs? *
2 points
8 What is the science that you study the properties and application of air? | *
2 points
9 Which pressure value is measured with respect to perfect vacuum *
2 points
10 Which system is used to move load with less efforts? *
2 points
11 Which actuation is under the applications of pneumatics? *
2 points
12 Which system uses liquid as transmitting fluid? *
2 points
13 What is the working system? *
2 points
14 What is the name of the Hydraulic Circuit? *
2 points
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15 Which valve is used to control the direction of the flow of fluid? *
2 points
16 Which part of the single acting cylinder is attached with the load? *
2 points
17 Which device in pneumatics is used for converting pressure energy of compressed air in to mechanical energy? *
3 points
18 What is the purpose of direction control valve in hydraulic system? *
2 points
19 Where ram is used in hydraulic line aractuator? *
2 points
20 Which energy is converted by hydro static pressure of the oil? *
2 points
21 Which valve block flow in one direction and allow free flow in the other direction? *
2 points
22 Where hydraulic by-pass circuit is used in common? *
2 points
23 What is hydraulic function? *
2 points
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24 Which energy is present in oil by virtue of its motion? *
2 points
25 Which property of oil that controls the flow in hydraulic system? *
2 points
26 What is the name of the device used to-remove dust, chips and other foreign particles from the fluid? *
2 points
27 Which valve is used as interface between the electrical and pneumatic system? *
2 points
28 Which valve is used for mechanical position to sense in machine automation system? *
2 points
29 Which valve is used to remove the excess amount of oil in the hydraulic system? *
2 points
30 Which valve is an orifice or restrict or in hydraulic system? *
2 points
31 Which device enables different flow rate of oil? *
2 points
32 What is the periodic oil drain from the compressor? *
2 points
33 Which type of filter is used for trapping various sizes of particular matter? *
2 points
34 Which type of filter is used to remove ferrous materials from oil in hydraulic system? *
2 points
35 Which property in hydraulic oil function is medium for heat transfer? *
2 points
36 Which device is used for handling and removing contamination from hydraulic oil? *
2 points
37 Which part of double acting cylinder prevents air leakage from cylinder to atmosphere? *
2 points
38 What is the defect caused by inter locked air bubbles and pockets in the hydraulic pipe lines and components? *
2 points
39 What is the cause for oil flow under pressure while passing through the restricted passage? *
2 points
40 Which valve prevents the system pressure from rising too high if the pressure regulating valve fails? *
2 points
41 Which causes more than 90% of hydraulic system failure? *
2 points
42 Which type of filter helps to protect the pump from fluid contamination? *
2 points
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