Download IFFCO GET Recruitment 2013 paper

 Download IFFCO GET Recruitment 2013 paper 

Indian Farmers Fertiliser Cooperative Limited (IFFCO), New Delhi,  the largest fertiliser manufacturing and marketing cooperative of the world and has joint ventures in India and abroad in Fertiliser, Insurance and Power sectors.  IFFCO requires  Graduate Engineer Trainees (GET)
Graduate Engineer Trainees (GET) : for IFFCO's existing establishments / subsidiaries / Joint Ventures and future projects anywhere in India or abroad

Qualification : Four years Full Time Bachelor’s Degree in Engineering from recognized university / Institute in the disciplines Chemical, Mechanical, Electrical, Civil, Instrumentation & Electronics and Computer Sc. & IT.
Online Paper Prelim was conduct on 23 July 2013.

Candidates can download IFFCO Online paper 2013 

1 of 153

Instrumentation and Electronics Engineering

Dynamometer type moving coil instruments are provided with:-

Electrostatic damping

Eddy current damping

Fluid friction damping

Pneumatic damping

2 of 153

Instrumentation and Electronics Engineering

DC voltage of the order of a few mV can be measured accurately using a/an:-

Moving coil voltmeter

Electrostatic voltmeter

Moving iron voltmeter

Null balancing potentiometer

3 of 153

Instrumentation and Electronics Engineering

Phase margin of the system is used to specify:-

Time response

Relative stability

Frequency response

Absolute stability

4 of 153

Instrumentation and Electronics Engineering

Piezoelectric accelerometers:-

Should use a monitoring source of low input impedance

Should not be used for high frequencies above 100 Hz

Have a low natural frequency

Should be used for low frequencies

5 of 153

7/23/13 Questionmark Perception

Instrumentation and Electronics Engineering

The envelope detector is a/an:-

Coherent detector

Product demodulator

Asynchronous detector

Synchronous detector

6 of 153

Instrumentation and Electronics Engineering

A memory system has a total of 8 memory chips, each with 12 address lines and 4 data lines. The total

size of memory system is:-

6 kbytes

64 kbytes

32 kbytes

48 kbytes

7 of 153

Instrumentation and Electronics Engineering

Which of the following is true about the noise factor 'F'?

A. The ratio of S/N at input to S/N at output

B. The noise figure, nf = 10 log F

C. nf = 10 log (Vn/ Vo)

A and B only

A, B and C

A only

B only

8 of 153

Instrumentation and Electronics Engineering

A two stage amplifier with negative feedback has an overshoot when a damping factor 'k' is:-

Greater than unity

Zero

Negative

Less than unity

9 of 153

Instrumentation and Electronics Engineering

7/23/13 Questionmark Perception

A differential amplifier is invariably used in the input stage of all OP-AMP's. This is done basically to

provide the OP-AMP's with a very high:-

Bandwidth

Slew rate

Open loop gain

CMMR

10 of 153

Instrumentation and Electronics Engineering

A carry look ahead adder is frequently used for addition, because it:-

Costs less

Uses fewer gates

Is faster

Is more accurate

11 of 153

Instrumentation and Electronics Engineering

If the minimum range is to be doubled in radar, the peak power has to be increased by a factor of:-

Four

Sixteen

Two

Eight

12 of 153

Instrumentation and Electronics Engineering

Thermocouples are:-

Passive transducers

Output transducers

Passive transducers and active transducers

Active transducers

13 of 153

Instrumentation and Electronics Engineering

An amplifier with resistive negative feedback has two left half planes poles in its open loop transfer

function. The amplifier:-

Will be stable for all frequencies

May be unstable, depending upon the feedback factor

Will oscillate at low frequencies

Will always be unstable at high frequencies

7/23/13 Questionmark Perception

14 of 153

Instrumentation and Electronics Engineering

The correct sequence of steps needed to improve system stability is:-

Use negative feedback, reduce gain, insert derivative action

Reduce gain, use negative feedback, insert derivative action

Reduce gain, insert derivative action, use negative feed back

Insert derivative action, use negative feedback reduce gain

15 of 153

Instrumentation and Electronics Engineering

When measuring strain, ballast circuits use a capacitor to act as high pass filter. This is done when:-

Dynamic strains are being measured

Static strains are being measured

Both of the above

None of the above

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