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Engineering
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Civil Set-1
Structural Engineering I
278

Structural Engineering I MCQ with Answers

278) Air entrainment in the concrete increases

workability

strength

the effects of temperature variations

the unit weight

Answer is:

workability

Structural Engineering I MCQ with Answers

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Related Structural Engineering I MCQ with Answers

279) The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is given by

tcr - rcs = tct

fcr>fcs>fc.

fcr<fcs<fc>

fc5>fcr>fC.

Answer is:

fcr>fcs>fc.

280) The approximate value of the ratio between direct tensile strength and flexural strength is

0.33

0.5

0.75

1

Answer is:

0.5

281) Strength of concrete increases with

increase in water-cement ratio

increase in fineness of cement

decrease in curing time

decrease in size of aggregate

Answer is:

increase in fineness of cement

282) The relation between modulus of rupturefcr and characteristic strength of concrete fck is given by [where fcr and fck are in N/mm2']

fcr=0.35Vf7

fcr=0.57f7

fcr=0.7Vf7

fcr=1.2Vf7

Answer is:

fcr=0.7Vf7

Structural Engineering I MCQ with Answers

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