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Browse complete papersPortland Slag Cement conforming to IS 455 : 1989 exhibits superior sulphate-resistant properties when the slag content exceeds:
20%
25%
40%
50%
Correct answer
20%
A rectangular beam carries a shear force of 30 kN and has a cross-sectional area of 6000 mm2. What is the maximum shear stress in the section?
5 MPa
7.5 MPa
10 MPa
15 MPa
Correct answer
5 MPa
According to standard construction practices and IS 456 : 2000, the minimum period that props (shoring) must remain in place for reinforced concrete slabs up to 4.5 m span, when Ordinary Portland Cement (OPC) is used, is:
3 Days
7 Days
14 Days
28 Days
Correct answer
3 Days
According to IS design provisions for earthquake-resistant structures under the limit state of collapse, which of the following load combinations should be considered?
1.5DL + 1.2LL + 1.0EL
1.5DL + 1.2LL + 1.2EL
1.2DL + 1.2LL + 1.2EL
1.8DL + 1.2LL + 1.2EL
Correct answer
1.5DL + 1.2LL + 1.0EL
Which type of valve is installed on the suction line of a tube-well, close to the pump, to prevent backflow and maintain the pump's prime?
Foot Value
Gate Value
Air value
Sluice valve
Correct answer
Foot Value
Under standard design and operating conditions, the discharge capacity of a typical tube-well generally falls within which of the following ranges?
10 - 20 litres/sec
50 - 100 litres/sec
200 - 1000 litres/sec
1000 - 1500 litres/sec
Correct answer
10 - 20 litres/sec
Manholes provided on large water-transmission pipelines that convey water from the source to the city are generally spaced at intervals of:
200 to 300 metres
50 to 100 metres
300 to 600 metres
700 to 800 metres
Correct answer
200 to 300 metres
In the analysis of continuous beams, Clapeyron's Theorem of Three Moments is derived using which fundamental structural analysis approach?
Displacement Method
Force Method
Moment Distribution Method
Stiffness Matrix Method
Correct answer
Displacement Method
A Jackson's Candle Turbidimeter is suitable for measuring turbidity in water within which of the following ranges?
25 - 1000 mg/l
0.5 - 1 mg/l
1000 - 1500 mg/l
1500 - 2500 mg/l
Correct answer
25 - 1000 mg/l
What is the conventional per-capita water demand, in litres per day per person, adopted for Indian towns with populations below 20, 000?
110
80
55
90
Correct answer
110