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Dear all,
I have attended the GAIL entrance exam for post of sr. en
these r the questions
approx .to my memory
1.most of the questions came from electrical and electronic measurement
2.DVM -resolution to be found if the display is of 4 digit
3.abt pmmc
4.Crt monitor and lissagious pattern
5.creeping in energy meter is due to........
6.wht is the common carrier used in chromotograph.
7.Band pass filter(almost all types)
8.push pull amplifier
9.process control....cascade is having f/b or f/w or both
10.bode plot, all type of methods used to find stability, response ,poles and zeros etc.
11.proportional controller
12.pi controller
13.Accuracy,precission,reproducibility...gen definitions
14.T/c used in parallel are used for what purpose ...y t/c r kept in parallel
15.lvdt-used to measure?
16.random error ...systematic error
17.wheat stone bridge
18.kelvin bridge is used for?
19.wein bridge
20.resistance VS temp.eqn
Rt=Roexp{beta(1/T)-beta(1/To)}
i.RTD ii.T/Ciii.thermistors iv.resistance strain gauge
21.starin gauge
22.prob in gauge factor
23.stroboscope
24.LASER
25.Microprocessor
26.A/D conversion
27.Nuclear Inst alpha particles. beta particles, gamma particles
28.Inductance ,capacitance -measurement
29.electromagnetic flow meter principle
30.galvonmeter
31.IEEE488 bus
32.optical fiber is used becoz -advantages
33.watt meter .
34.guarded wheatstone bridge.
35.oscilloscope
36.true rms -voltmeter
37.wave analyzer
38.hamonic distortion nalyzer
40.spectrum analyzer
41.photoresistive device
42.audio frequency range.
50 aptitude
100 technical
in 50 aptitude -some came from politics, g.k, maths, english
