BARC Civil Engineering previous papers

Will you please share with me the Bhabha Atomic Research Centre Civil Engineering previous year question papers as it is very urgent for me?

[Kiran Chandar]

As you want to get the Bhabha Atomic Research Centre Civil Engineering previous year question papers so here is the information of the same for you:

BARC Syllabus for Civil Engineering:
Engineering Mathematics
Linear Algebra
Calculus
Differential equations
Complex variables
Probability and Statistics
Numerical Methods

Structural Engineering
Mechanics
Structural Analysis
Concrete Structures
Steel Structures

Geotechnical Engineering
Soil Mechanics
Foundation Engineering

Water Resources Engineering
Fluid Mechanics and Hydraulics
Hydrology
Irrigation

Environmental Engineering
Water requirements
Air Pollution
Municipal Solid Wastes
Noise Pollution

Transportation Engineering
Highway Planning
Traffic Engineering

Surveying
Importance Of Surveying
Principles And Classifications
Mapping Concepts
Coordinate System
Map Projections
Measurements Of Distance And Directions
Leveling
Theodolite Traversing
Plane Table Surveying
Errors And Adjustments
Curves

Some content of the file has been given here:

1. Distinction between FM and PM at high frequencies.

2. Which of these has the least propagation delay RTL/ECL/I2L/CMOS.

3. Switching speed of CMOS is affected/unaffected by changes in supply voltage.

4. Which of these provides a measure of heart rate P/QRS complex/T/none of these.

5. Given a ckt of a logarithmic amplifier you had to identify what ckt was it.

6. JFET can operate in depletion/enhancement/both/none of the above modes.

7. When a BJT operates in saturation the junctions are fwd biased/reverse biased/…

8. BIBO stability criterion implies that poles are within/outside/on the unit circle.

9. For faithful amplification of low amplitude signals the cut-off/active/saturation regions of a transistor is used.

10. Lissajous pattern of a signal rotates 36 times per minute. if the oscillator frequency is 560 kHz then the unknown freq is…

11. Percentage resolution of a 10 bit ADC.

12. To obtain 10 mV resolution on 5 V range how many bit DAC is to be used..

13. Why is LCD preferred to LED.

14. How will 0.6973 be displayed on 10 V range of a 4 ½ digit multimeter.

15. Which of the following cannot be used for an automatic feedback temp ctrl system thermocouple/thermometer/thermistor/IC sensor.

16. Y(n)=X(-n+3) is an example of a linear/non linear and shift variant/invariant system.

17. The falling body method is used to determine viscosity/humidity/….

18. Which of these methods of viscosity measurement gives greatest accuracy falling body method/rotating cylinder method/both/…

19. Some question on gas chromatography

20. A device having a rotor with 3 Y-connected coils and a stator is likely to be a synchro/RVDT/control transformer/…

BARC Civil Engineering previous papers


1 Consider a transmission line of characteristic impedance 50 ohms and the line is terminated at one end by +j50 ohms, the VSWR produced in the transmission line will be
(A) +1
(B)zero
(C)infinity
(D)-1

2 In a certain medium E = 10 Cos(108t–3y) a xV/m. What type of medium is it?
(A) Free space
(B)Lossy dielectric
(C)Lossless dielectric
(D)Perfect conductor


3 If D⋅∇=∈∇.Eand∇.J = σ∇.Ein a given material, the material is said to be
(A) Linear
(B)Homogeneous
(C) Isotropic
(D) Linear & Homogeneous

4 For a 300 Ω antenna operating with 5A of current, the radiated power is
(A) 7500 W
(B) 750 W
(C)75 W
(D)7500 mW

5. An OPAMP has a slew rate of 5 V/μ S .The largest sine wave O/P voltage possible at a frequency of 1MHZ is
(a) 10 volts
(b) 15 volts
(c) 5/3 vo lts
(d)5/2 volts

6 The early effect in a bipolar junction transistor is caused by
(a) fast turn-on
(b)fast turn-off
(c) large collector-base reverse bias
(d) large emitter-base forward bias

7 MOSFET can be used as a
(a) current controlled capacitor
(b) voltage controlled capacitor
(c) current controlled inductor
(d) voltage controlled inductors

8 An AM signal is detected using an envelop detector. The carrier frequency and modulating signal frequency are 1MHz and 2 kHz respectively. An appropriate value for the time constant of the envelope
detector is.
(A) 500 μsec
(B) 20 μsec
(C) 0.2 μsec
(D) 1μ sec

9 An AM modulator has output x(t)=A cos400 πt+Bcos 380 πt +Bcos420πt and The carrier power is 100 W and the efficiency is 40%. The value of A and B are
(A) 14.14, 8.16
(B) 50, 10
(C) 22.36, 13.46
(D) None of the above

10 A super heterodyne receiver is designed to receive transmitted signals between 5 and 10 MHz. High-side tuning is to be used. The tuning range of the local oscillator for IF frequency 500 kHz would be
(A) 4.5 MHz-9.5 MHz
(B) 5.5 MHz-10.5 MHz
(C) 4.5 MHz-10.5 MHz
(D) none of these

11 An analog signal is sampled at 36 kHz and quantized into 256 levels.The time duration of a bit of the binary coded signal is
(A) 5.78μs
(B) 3.47μs
(C) 6.43 ms
(D) 7.86 ms

12 The minimum sampling frequency (in samples/sec) required to reconstruct the following signal form its samples without distortion would be x(t)= 5(sin2 π 1000t/πt)3 +7(sin 2πt 1000t/πt)2
(A)2x103
(B)4x103
(C) 6x103
(D) 8x103

13 Three identical amplifier, each having a spot effective input noise temperature of 125 K and available power G are cascaded. The overall spot effective input noise temperature of the cascade is 155 K. The Gis
(A) 3
(B) 5
(C) 7
(D) 9

14 In the Op-Amp circuit shown, assume that the diode current follows the equation I=I s exp(V/Vt) Vi=2V , Vo=V01and for Vi=4V , Vo=V02The relationship between V01andV02is

15 The counter shown in fig. below is a



(A) MOD–8 up counter
(B) MOD–8 down counter
(C) MOD–6 up counter
(D) MOD–6 down counter

16 The MUX shown in fig. multiplexer. The output Z is




(A) A xor C
(B) A and C
(C) B xor C
(D) B and C

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Bhabha Atomic Research Centre
Sector 20,
Turbhe
Navi Mumbai,
Maharashtra 400703
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