Records and Estimation
JKSSB Junior Engineer (Civil) · Construction Planning and Management · 17 practice questions with answers and explanations: 8 Easy, 4 Medium, 5 Hard.
Sample questions
Sample Easy question 1
A unit base estimate gives the cost:
- Per unit of use, such as per bed of a hospital or per classroom
- Of each brick
- Of the labour only
- Of the plant only
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Answer: A. It is an approximate estimate used in the early stage.
Sample Easy question 2
An entry in the measurement book that needs to be corrected should be:
- Overwritten
- Cut out of the book
- Struck through with a single line and the correct entry made, with initials
- Erased
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Answer: C. No erasures or overwriting are allowed in an official record.
Sample Easy question 3
The standard method of measurement of building works in India is given in:
- IS 1200
- IS 800
- IS 875
- IS 456
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Answer: A. It fixes the units and the rules for deductions.
Sample Medium question 4
A footing 1.5 m × 1.5 m and 0.4 m thick has a concrete volume of:
- 0.6 m³
- 0.9 m³
- 2.25 m³
- 0.9 m²
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Answer: B. 1.5 × 1.5 × 0.4 = 0.9 m³.
Sample Medium question 5
In the centre line method, the centre line of a rectangular building whose walls are 0.23 m thick and whose centre-to-centre dimensions are 6 m × 4 m is:
- 20 m
- 19.08 m
- 10 m
- 21 m
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Answer: A. 2 (6 + 4) = 20 m.
Sample Medium question 6
Earthwork in an embankment has end areas of 20 m² and 30 m² and a length of 50 m. By the mean sectional area method the volume is:
- 625 m³
- 1,250 m³
- 2,500 m³
- 600 m³
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Answer: B. V = (A₁ + A₂) ÷ 2 × L = 25 × 50 = 1,250 m³.
Sample Hard question 7
The cost of materials is ₹800 and labour ₹200 per unit of work. With 10% overheads and 10% profit on that cost, the rate is:
- ₹1,210
- ₹1,000
- ₹1,200
- ₹1,100
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Answer: C. 1,000 + 100 + 100 = ₹1,200.
Sample Hard question 8
A wall 12 m long, 0.23 m thick and 3 m high has one door of 1.0 m × 2.1 m. The volume of brickwork is:
- 8.8 m³
- 7.8 m³
- 6.18 m³
- 8.28 m³
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Answer: B. V = 12 × 0.23 × 3 − 1.0 × 2.1 × 0.23 = 8.28 − 0.48 = 7.80 m³.
Sample Hard question 9
The plastered area on both faces of the same wall (12 m × 3 m with one 1.0 m × 2.1 m door) is:
- 69.9 m²
- 72 m²
- 33.9 m²
- 67.8 m²
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Answer: D. Area = (36 − 2.1) × 2 = 67.8 m², and the reveals are measured separately.