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NHPC-JE’21 CE: Daily Practices Quiz. 16-Nov-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. If the rate of interest is 6% per annum, then the year’s purchase is:
(a) 0.06
(b) 166.67
(c) 1.667
(d) 16.67

Q2. A pigment generally used to impart white colour in a paint is
(a) graphite
(b) lead
(c) copper sulphate
(d) zinc

Q3. The R.L. of a point A on the floor is 100 m. The back-sight reading on A is 2.455 m. If the foresight reading on the point B is 2.745 m, the R.L. of the point B will be
(a) 94.8 m
(b) 99.71 m
(c) 100.29 m
(d) 105.20 m

Q4. For stopping sight distance, the eye level should be at:
(a) 1.2m
(b) 0.75m
(c) 1.6m
(d) 1.8m

Q5. If y = average numerical deviation in depth of water stored from the average depth of water ‘d’ stored in the root zone during irrigation, water distribution efficiency (_d ) is given by
(a) (1 – d/y)100
(b) (1 – y/d)100
(c) (1 – d)/100 d
(d) (d/y – 1)100

Q6. According to IS: 10500-2012, what is the acceptable limit (in mg/l) of total dissolved solids?
(a) 2000
(b) 500
(c) 250
(d) 1000

Solutions

S1. Ans.(d)
Sol. Given, Rate of interest (i) = 6%
Year’s purchase (Y.P) = ?
Y.P.=100/(i%)
=100/6
= 16.67%

S2. Ans.(d)
Sol.

Pigment Color
Zinc oxide White
Copper sulphate Green
Red lead Red
Indigo Blue
Burnt Siena Brown
Cobalt oxide Blue

S3. Ans.(b)
Sol.
” RL at point ” A (RL_A )=100m
” BS at point ” A=2.455m” .”
FS” at point ” B=2.745m” .”
RL” at point ” B(RL_B )=?
∑BS-∑FS=” Last ” RL-” first ” RL
2⋅455-2⋅745=RL_B-100
RL_B=99.71m.

S4. Ans.(a)
Sol.

Sight distance Height of driver above carriage way Height of object
SSD 1.2m 0.15m
OSD 1.2m 1.2m
ISD 1.2m 1.2m

S5. Ans.(b)
Sol.
Water distribution efficiency = (1-y/d)×100
d= Average depth of water stored in the root zone
y = Average numerical deviation in depth of water stored in the root zone.

S6. Ans.(b)
Sol. According to IS 10500:2012, the acceptable limit of total dissolved solids in drinking water is 500 mg/l and cause for rejection is 2000 mg/l.

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