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(#M40031876) IES EC QUESTION analog(2006 paper-2 obj) Keep an EYE

Q. Consider the following parameters of a hybrid-it equivalent circuit of BJT:
1. Transconductance (gm)
2. hfe
3. hie
Which of the above parameters vary with temperature in similar manner (all of them decrease or all of them increase)?

Select the correct answer using the codes given below:

a. Only 1 and 2
b. Only 2 and 3
c. Only 1 and 3
d. 1, 2 and 3

Asked In IES EC Chandni Maurya (11 years ago)

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(#M40031872) IES EC QUESTION signal & system (2006 paper-1 obj) Keep an EYE

Q. Which one of the following is the correct statement? The continuous time system described by y(t) = x(t^2) is

a. causal, linear and time-varying
b. causal, non-linear and time-varying
c. non-causal, non-linear and timeinvariant
d. non-causal and time-variant

Asked In IES EC Chandni Maurya (11 years ago)

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(#M40031871) IES EC QUESTION communication (2006 paper-1 obj) Keep an EYE

Match List-I (Application of Signals) with
List-II (Defamation) and select the correct
answer using the code given below
List-I
A. Reconstruction
B. Over sampling
C. Interpolation
D. Decimation
List -II
1. Sampling rate is chosen significantly
greater than the Nyquist rate
2. A mixture of continuous and discrete
time signals
3. To convert the discrete time sequence
back to a continuous time signal and
then resample
4. Assign values between samples and
signals
Codes;
A B C D
a. 3 4 1 2
b. 2 1 4 3
c. 3 1 4 2
d. 2 4 1 3

Asked In IES EC Chandni Maurya (11 years ago)

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(#M40031865) IES EC QUESTION EMT (2006 paper-1 obj) Keep an EYE

Q. Which one of the following is the correct statement? A rectangular coaxial line can support
a. only TEM mode of propagation
b. both TEM and TE modes of propagation
c. either TE or TM mode of propagation
d. TEM, TE or TM mode of propagation

Asked In IES EC Chandni Maurya (11 years ago)

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(#M40019819) SSC QUESTION (SSC 2002) Keep an EYE

Find the similar group,
3,8,16
(a). 2,20,16
(b). 12,72,96
(c). 4,24,48
(d). 6,42,48

Asked In SSC Chandni Maurya (12 years ago)

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(#M40019791) IES EC QUESTION English(2008 GAT) Keep an EYE

Question -
S1: Nowadays we pay a great deal of attention to pure air, open windows and garden cities.

S6: Pasteurised milk is milk which has been treated in this way.

P: Another useful discovery of Pasteur's was the process, now called, pasteurization.
Q: Pasteur was one of the first to show how necessary all these are if we are to fight against germs and disease.
R: Pasteur helped them by showing that by heating win or milk to a temperature of 60 degree Centrigrade, the germs were made harmless.
S: Some wine-growers were troubled by a germ which has turned their win sour.
Which one of the following is the correct sequence?

Option
a) R - S - P - Q
b) Q - P - S - R
c) R - P - S - Q
d) Q - S - P - R

Asked In IES EC Chandni Maurya (12 years ago)

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(#M40019790) IES EC QUESTION English(2008 GAT) Keep an EYE

Question -
S1 : The first aeroplanes were fragile and clumsy.

S6 : In those days people considered flight in an aeroplane to be a miracle

P : When they took off they would not fly very high
Q : They also broke down frequently
R: It was difficult for them to take off
S : They flew slowly and only in the vicinity of the airfield

Which one of the following is the correct sequence?

Option
a) R - P - S - Q
b) S - Q - R - P
c) R - Q - S - P
d) S - P - R - Q

Asked In IES EC Chandni Maurya (12 years ago)

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(#M40019788) IES EC QUESTION Control(2008 paper-2 obj) Keep an EYE

Match List I with List II and select the correct answer using the code given below the lists:

List I
(Shape of Nyqaist Plot)
A. The plot does not intersect negative real axis
B. The plot intersects negative real axis between 0 and (-1, j 0)
C. The plot passes through the point (-1, j 0)
D. The plot encloses the point (-1, j 0)

List II
(Gain Margin)
1. < 0 dB
2. 0 dB
3. > 0 dB
4.infinite dB

Code: A B C D

a) 3 4 1 2
b) 4 3 2 1
c) 3 4 2 1
d) 4 3 1 2

Asked In IES EC Chandni Maurya (12 years ago)

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(#M40019779) IES EC QUESTION Communication Sys(2008 paper-2 obj) Keep an EYE

Q. Multiplexing is possible if signals are sampled. Two signals have bandwidths A = 0 to 4 kHz and B = 0 to 8 kHz respectively. The sampling frequency chosen is 12 kHz. Which one of the following is correct? This choice of the sampling frequency a. is correct since A and B have an integral relationship of 2 b. will not lead to aliasing c. does not obey sampling theorem d. can never lead to multiplexing.

Asked In IES EC Chandni Maurya (12 years ago)

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(#M40019777) IES EC QUESTION Computer Eng(2008 paper-2 obj) Keep an EYE

Q. The parallel computers are divided into which of the following architectural configuration?
1. Array processors
2. Data processors
3. Multi processor systems
4. Pipeline computers
Select the correct answer using the code given below:

Option
a) 1, 2 and 3 only
b) 2, 3 and 4 only
c) 1, 3 and 4 only
d) 1, 2 and 4 only

Asked In IES EC Chandni Maurya (12 years ago)

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