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Home » Engineering » Aptitude Test - 58
Hassan
1. According to application, instruments can be classified into ………. and ……….
A. switch board
B. portable
C. both 1 and 2
D. switch board
2.The spring material used in a spring control device should have the following property:
A. should be non-magnetic
B. should have low-temperature co-efficient
C. should have low specific resistance
D. should be non-magnetic
3.Which of the following properties a damping oil must possess?
A. must be a good insulator
B. should not have corrosive action upon the metal of the vane
C. the viscosity of the oil should not change with the temperature
D. must be a good insulator
4. A …………. device prevents the oscillation of the moving system and enables the latter to reach its final position quickly.
A. deflecting
B. controlling
C. damping
D. deflecting
5.An induction meter can handle current upto ………….
A. 10 A
B. 30 A
C. 60 A
D. 10 A
6. For handling greater currents induction wattmeter are used in conjunction with …………….
A. potential transformer
B. current transformer
C. power transformer
D. potential transformer
7.……………….. devices may be used for extending the range of the instruments?
A. shunts
B. multipliers
C. current transformers
D. shunts
8. A moving-coil permanent-magnet instrument can be used as flux-meter by ………………
A. using a low resistance shunt
B. using a high series resistance
C. eliminating the control springs
D. using a low resistance shunt
9.A moving-coil permanent-magnet instrument can be used as ………….. by using a low resistance shunt.
A. ammeter
B. voltmeter
C. flux-meter
D. ammeter
10.A potentiometer may be used for …………
A. measurement of resistance
B. measurement of current
C. calibration of ammeter
D. measurement of resistance
11.……………. are not used on D.C. circuits.
A. Mercury motor meters
B. commutator motor meters
C. induction meters
D. Mercury motor meters
12.…………. is an essential part of a motor meter .
A. an operating torque system
B. a barking device
C. revolution registering device
D. an operating torque system
13. Induction type single phase energy meters measure electric energy in ……..
A. kW
B. Wh
C. kWh
D. kW
14.The pointer of an indicating instrument should be ……
A. very light
B. very heavy
C. either 1 or 2
D. very light
15.The household energy meter is ………..
A. an indicating instrument
B. a recording instrument
C. an integrating instrument
D. an indicating instrument
16. The chemical effect of current is used in …….
A. D.C. ammeter hour meter
B. D.D. ammeter
C. D.C. energy meter
D. D.C. ammeter hour meter
17. In majority of instruments, damping is provided by ………
A. fluid friction
B. spring
C. eddy currents
D. fluid friction
18. The dressing of stone is done
A. immediately after quarrying
B. after seasoning
C. after three months of quarrying
D. immediately after quarrying
19. The rocks formed due to solidification of molten mass laying below or above the earth surface, are called
A. aqueous rocks
B. sedimentary rocks
C. metamorphic rocks
D. aqueous rocks
20. The sedimentary rocks are formed due to
A. solidification of molten mass lying below or above the earth surface
B. gradual deposition of materials like sand, clay, etc., generally by setting water
C. alteration of original structure under heat and excessive pressure
D. solidification of molten mass lying below or above the earth surface
21. The rocks formed due to alteration of original structure under heat and excessive pressure are called metamorphic rocks.
A. Agree
B. Disagree
C. Both (a) and (b)
D. Agree
22. Granite is an example of
A. aqueous rocks
B. sedimentary rocks
C. metamorphic rocks
D. aqueous rocks
23. Igeous rock has
A. crystalline, glossy or fused texture
B. foliated structure which is hard and durable
C. layers of different composition, colour and structure
D. crystalline, glossy or fused texture
24. Laterite is chemically classified as
A. caleareous rock
B. argillaceous rock
C. sillcious rock
D. caleareous rock
25.The calcareour rocks have
A. lime or calcium carbonate
B. clay or alumina
C. Both (a) and (b)
D. lime or calcium carbonate
26.Gneiss is chemically classified as
A. calcareous rock
B. argillaceous rock
C. silicious rock
D. calcareous rock
27.Which of the following is an example of agrillaceous rock?
A. Kaolin
B. Slate
C. Laterite
D. Kaolin
28.Which of the following is an example of agrillaceous rock?
A. Kaolin
B. Slate
C. Laterite
D. Kaolin
29. Which of the following is an example of silicious rock?
A. Granite
B. Gneiss
C. Quartzite
D. Granite
30.Limestone is physically classified as
A. stratified
B. unstratified
C. Both (a) and (b)
D. stratified
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