NHPC-JE'21 CE: Daily Practices Quiz. 15-Dec-2021 |_00.1
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NHPC-JE’21 CE: Daily Practices Quiz. 15-Dec-2021

Know your strengths and practice your concepts with this quiz on NHPC JE Recruitment 2021. This quiz for NHPC JE Recruitment 2021 is designed specially according to NHPC Syllabus 2021.

Quiz: Civil Engineering
Exam: NHPC-JE
Topic: Miscellaneous

Each question carries 1 mark
Negative marking: 1/4 mark
Time: 8 Minutes

Q1. The process of providing smooth face and regular face to stone is known as
(a) Seasoning
(b) Dressing
(c) Pitching
(d) Quarrying

Q2. In limit state method of design, for bars in compression the values of bond stress shall be:
(a) Decreased by 20%
(b) Increased by 25%
(c) Decreased by 25%
(d) Increased by 20%

Q3. Which of the following related fluid flow parameter exist both in rotational and irrotational flows?
(a) Vorticity
(b) Stream function
(c) Velocity potential
(d) Both vorticity and stream function

Q4. The final deflection due to all loads including the effects of temperature, creep and shrinkage and measured from as–cast level of supports of floors, roofs and all other horizontal members should not exceed …………..
(a) Span/350
(b) Span/300
(c) Span/250
(d) Span/200

Q5. A cantilever beam is deflected by due to load P if load is doubled, then deflection compared to earlier case will be changed by a factor of:
(a) 2
(b) 1/2
(c) 1/8
(d) 8

Q6. A tape of length l and weight W kg is suspended at its ends with a pull of p kg, the sag correction is :
(a) (l^2 W^2)/(24p^2 )
(b) (l^2 W^3)/(24p^2 )
(c) (lW^2)/(24p^2 )
(d) (l^2 W^2)/(24p^3 )

Solutions

S1. Ans.(b)
Sol. Dressing → Stone dressing is the process of providing proper shape and size to fresh quarried stone.
OR
It is the process in which surface of stone is made fit to be used in any construction purpose.

S2. Ans.(b)
Sol. Table of bond stress in IS code given for plain bars in tension.
→ for HYSD bar in tension increase the value by 60%
→ for bars in compression the value is increased by 25%

S3. Ans.(b)
Sol. Vorticity is defined only for rotational flow. Stream function is defined for both rotational and irrotational flow. The velocity potential function exists for only irrotational flow.

S4. Ans.(c)
Sol. deflection after partition (final deflection) = Spon/250
Deflection before partition = Spon/350

S5. Ans.(a)
Sol. deflection when cantilever beam is subjected to load P
δ_1=(PL^3)/3EI
deflection when load is doubled,
δ_2=((2P) L^3)/3EI
δ_2=2δ_1

S6. Ans.(c)
Sol. ▭(Sag correction (Cs)=(w^2 l)/(24p^2 ))
W→ Total weight
p → Pull at the time of measurement

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