# BARC 2020: Full Syllabus Nuclear Mock Test

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Question 1

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Question 3

_{3}C in iron carbon diagram is

Question 4

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Question 8

Peaks - 25 23 30 35

Valleys- 11 15 19 13

If these measurements were obtained over a length of 25mm. Then average over definite ordinates () and RMS values (respectively) are (in

Question 9

^{0}C to 30

^{0}C by a large stagnant water which may be assumed to remain constant at a temperature of 20

^{0}C. The heat transfer surface consist of 30 m long straight tube of 20 mm inside diameter. The oil (specific gravity =0.8) flows through cylindrical tube with an average velocity of 50 cm/s. The overall heat transfer coefficient is 298.7 W/m

^{2}–

^{0}C. The heat transfer through the heat exchanger is _____________ kW.

Question 10

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Question 13

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Question 15

Question 16

[Take E = 2.04 × 10

^{5}N/mm

^{2}]

Question 17

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Question 19

The following equation x^{3}− 2x− 5 = 0 needs to be numerically solved using the Newton-Raphson method. The iterative equation for this purpose is __________ (*k* indicates the iteration level).

Question 20

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Question 23

_{atm}= 100kPa, C

_{p}= 1kJ/kgK and )

Question 24

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Question 27

Question 28

Given data: At P = 0.08 bar, h

_{fg}= 2403.1 kJ/kg, s

_{fg}= 7.6361 kJ/kg K, v

_{f}= 0.001008 m

^{3}/kg

h

_{1}=3159.3 kJ/kg, s

_{1}= 6.9917 kJ/kg K, h

_{3}= 173.88 kJ/kg, s

_{3}= 0.5926 kJ/kgK,

Question 29

^{2}away from centre of rotation as shown:

The link is rotating at 5 rad\sec. The net acceleration of the slider is __________.

Question 30

^{2}K and 95 W/m

^{2}K respectively, thermal conductivity of wall is 200 W/mK. If the thickness of the wall is 10mm. What will be the Overall heat transfer coefficient ?

Question 31

W = 45kN

L = 3m, a = 1m,

EI = 4.16×10

^{5}N-m

^{2}

Question 32

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Question 34

^{7}mm

^{4}. The maximum stress in the beam is not to exceed 110 N/mm

^{2}. The maximum span of the beam is _______ m, when simply supported at the ends and could carry a uniformly distributed load of 50 kN per metre length.

Question 35

Question 36

Constraints are

a + b ≤ 4

a — b ≤ 2

a, b ≥ 0

Question 37

Question 38

_{x}= 140 MPa, σ

_{y}= 80 MPa and τ

_{xy}= 40 MPa. What will be the diameter of the Mohr circle _________?

Question 39

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Question 44

*A*has

*SG*= 0.88 and liquid

*B*has

*SG*= 2.95. The deflection

*h*, when the applied pressure difference is is

Question 45

The flat plate has a uniform surface temperature of 35 ° C. If the friction force asserted on the flat plate is 0.1 N, the rate of heat transfer from the plate is ________ W.

Properties of air (1 atm; 20°C) is

ρ = 1.269 kg/m

^{3}

C

_{p}= 1006 J/kg-K

μ = 1.729 × 10

^{-5}kg/m-s

Pr = 0.7350

Question 46

^{2}.

Question 47

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Question 50

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