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NHPC-JE’21 CE: Daily Practices Quiz. 24-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. While estimating for plastering, usually no deduction is made for –
(a) Ends of beams
(b) Small opening up to 0.5 sq. m.
(c) End of rafters
(d) All the above

Q2. A building is fetching an annual rent of Rs. 1,80,000/-. The purchases desires to get 5% return on the capital. The capitalized value (in Rs) of the building is:
(a) 9,00,000
(b) 27,00,000
(c) 36,00,000
(d) 18,00,000

Q3. The pressure sustained per unit deformation of subgrade at specified deformation level using specified plate size is termed as
(a) CBR
(b) Safe bearing capacity
(c) Tangent modulus
(d) Modulus of subgrade reaction

Q4. In slow sand filters, the rate filtration is –
(a) 100 to 200 litres/ hours per. sq. m. of filter area
(b) 200 to 300 litres/ hour per. sq. m. of filter area
(c) 100 to 200 litres/ hour per. sq. m. of filter area
(d) 200 to 300 litres/ hour per. sq. m. of filter area

Q5. The average value of co-efficient of velocity is
(a) 0.84
(b) 0.76
(c) 0.97
(d) 0.62

Q6. For slabs spanning in two directions the ratio of span to depth should not exceed:
(a) 15
(b) 25
(c) 35
(d) 50

Solutions

S1. Ans.(d)
Sol. Plastering is measured in terms of m². If,
(a) opening area < 0.5 m² (No deduction is applied)
(b) opening area is between 0.5 m² – 3m², then (single side deduction is applied)
(c) opening area > 3 m², then (double side deduction is applied)

S2. Ans.(c)
Sol. Given, rate of interest (i) = 5%
Annual rent = 1,80,000 Rs.
Capitalized value =?
Year’s purchase = 100/(i%)=100/5=20 years
Capitalized value of building = Annual rent × year’s purchase
= 1,80,000 × 20
= 36,00,000 Rs

S3. Ans.(d)
Sol. The pressure sustained per unit deformation of subgrade at specified deformation level using specified plate size is termed as modulus of subgrade reaction.
▭(Moduius of subgrade reaction (K)=(pressure (P))/(Deflection (D)))
(unit = kg/m³)
It is generally calculated at 0.125 cm or 1.25 mm.

S4. Ans.(a)
Sol. The rate of filtration for slow sand filters is 2400 to 4800 l/day/m² or 100 to 200 l/hour/m².

S5. Ans. (c)
Sol. Velocity (V₁) = C_v √2gh
C_v ⇒ coefficient of velocity
C_v ⇒ 0.97 – 0.99

S6. Ans.(c)
Sol. Slabs spanning in one direction (one way slab)
l/d=30
Slabs spanning in two directions (two-way slab)
l/d<35 (simply supported)
l/d≤40 (continous)

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