NTPC (Control and Instrumentation) 2011 Paper

1. Find centeriod for g(s)=k/s(s+1)(s+2)
2. Find the value of K for s3+Ks2+5s+10=0
3. FSK is used in __

EIL Recruitment Papers

1) Bucholz relay is..................

a. Gas actuated relay

b. Current sensing device

c. Voltage sensing device

Ans: a

DRDO Interview Questions

1) Coldest planet:Pluto

2) INS Shivali is the first:

3) Which one of the following was NOT indegineously developed?:Prithvi/Akash/Agni

4) Full form of SARS

HAL Interview Questions

1.what is weight of 5rupee coin??

2.who is below never a chief justice of india ?

3.who is player took 10 wikts in one test innings ?

(in the list anil kumble not given)

Techinical que's:

1.decimal number for 1001.1101?

ISRO Recruitment Paper 1

SET 1:

1. The root directory of disk should be placed at___

2. DNS is basically used to ____

ISRO 2009 Recruitment Paper

1 A full binary tree with n leaves contains?

2. The expression 1*2^3*4^5*6 will be evaluated as?

3 The feature in object oriented programming that follows he same operation to be carried out differently ,depending on the object, is?

ISRO 2008 Recruitment Paper

1) Moore model of DFF?

2) Which of the following filter has steep roll-off characteristics?

(A) Butterworth filter (B) Chebyshev filter (C) Bessel filter (D)--

ans: B

HAL 2006 Recruitment Paper

1) What is the distance between the EHV lines?

a)8m b)11m c)4m d)14m

2) At present how many HVDC lines are there in india?

a)none b)one c)two d)more than two

HAL 2008 Recruitment Paper

1. what is used for heat dissipation in ICs

2. for an amplifier, given IC(dc) and IC(ac)(p) for a 1k load calculate avg dc power dissipated.

3. given hfe calculate hfc.

BHEL 2008 Recruitment Paper

A) Technical

B) Aptitude

Both parts consists 120 marks each. There is negative marking of 0.2.

Technical paper

1) How many links in slider crank mechanism?

2) Deflection of cantilever beam subjected to end point load?

BHEL 2007 Recruitment Paper

1. The ratio of two specific heats of air is equal to. = 1.41

2. A perfect gas at 270C is heated at constant pressure till its volume is double. The final temperature is = 3270C

BEL Recruitment Paper 5

1. The gray code equivalent of binary 1100 is

a. 1011 b. 1101 c. 1010 d. 1100

2. A Multiplexer has

a. Multiple inputs and single output

b. Single input and Multiple outputs

c. Multiple inputs and Multiple outputs

d. Multiple inputs for Storage of Data

BEL Recruitment Paper 4

1. The noise figure of a receiver is a measure of:

1. Excess noise generated

2. Bandwidth of the receiver

3. Gain of the receiver

4. Operating frequency

BEL Recruitment Paper 3

1. VSWR on a transmission line is always

1. Equal to 1

2. Equal to 0

3. Less than 1

4. Greater than 1

BEL Recruitment Paper 2

1. The register is a

1. Simplified unit of a subtractor

2. Cascaded group of the flip-flop

3. Binary ripple counter

4. Data selector

BEL Recruitment Paper 1

1. Resistivity of silicon in ohms cm. is approx. equal to

a. 50 b. 1012 c. 230k d. 10-6

2. Rsistivity ofGermanium in ohms cm. is approx. equal to

a. 50   b. 10-12 c. 50k d. 10-6

3. The number of free electrons/cubic cm intrinsic Germanium at room temperature is approx. equal to

a. 1.5*1010 b. 2.5*1013 c. 1000 d. 5*106