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NHPC-JE’21 CE: Daily Practices Quiz. 02-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. The defect that is caused by falling of rain water on the hot surface of the bricks is known as …………………
(a) Bloating
(b) Chuffs
(c) Cracks
(d) Lamination

Q2. Calculate the capitalized value of a building having annual rent of Rs. 20,000 and highest rate of interest is 5%
(a) 1000
(b) 21000
(c) 220000
(d) 400000

Q3. In the first angle projection of presenting the six standard views, the top view is located
(a) Right-side of the front view
(b) Left-side of the front view
(c) Above the front view
(d) Below the front view

Q4. Which of the following empirical formula is NOT used for determining the rate of fire demand?
(a) Freeman’s formula
(b) Buston’s formula
(c) Kuichling’s formula
(d) Goodrich’s formula

Q5. Consider the following statement regarding characteristic strength of concrete:
“The test result of the sample shall be the average of the strength of x specimens. The individual variation should not be more than ± Y% of the average.”
(a) 5, 15 respectively
(b) 5, 5 respectively
(c) 3, 5 respectively
(d) 3, 15 respectively

Q6. The ingredient of paint which gives it, the binding property and form opaque coating is:-
(a) Base
(b) Vehicle
(c) Solvent
(d) Filler

Solutions

S1. Ans.(b)
Sol. Defects in bricks-
Efflorescence→ This defect appears in bricks due to the presence of alkalis in the bricks.
Chuffs → This is the defect in bricks in which shape of the bricks gets deformed due to rain water falling on hot brick.
Bloating → Bloating of bricks is swollen spongy mass over the surface of burned bricks.
Black core→ The brick converts in black core because of improper burning.

S2. Ans.(d)
Sol. Annual rent (R) = 20,000
Year purchase (Y.P) = 100/(i%)
= 100/5
▭(Y.P=20)
Capitalized value = Annual rent × Year’s Purchase
= 20,000 × 20
= 400,000 Rs.

S3. Ans.(d)
Sol. In the first angle projection of presenting the six standard views, the top view is located below the front view and bottom view is located above the front view.

S4. Ans.(d)
Sol. Goodrich’s formula is not used for determining the rate of fire demand.
Goodrich formula ▭(P=180 t^(-0.10) )
Where t = time in days
P = Percentage of annual average draft for the time t in days.

S5. Ans.(d)
Sol. the test result of the sample shall be average of the strength of 3 specimens. The individual variation should not be more than ± 15% of the average.

S6. Ans.(a)
Sol. Base → It is the principal compound in paint. It provides an opaque coating which would hide the surface to be painted. It possesses binding properties which reduces the shrinkage cracks in the film on drying.
Ex. Zinc oxide, iron oxide, red lead, aluminum powder, white lead etc.

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