Civil Engineering Questions And Answers :: Building Materials And Construction: part3



Civil Engineering : Building Materials And Construction QUESTIONS AND ANSWERS :: part3 : 1 to 5

Following Civil Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2014 and IES 2014 examinations :

1.The main ingredients of Portland cement are

lime and silica
lime and alumina
silica and alumina
lime and iron

2.Early attainment of strength in rapid hardening cement is mainly due to

gypsum
finer grinding
tricalcium silicate
tricalcium aluminate

3.The initial setting time for ordinary Portland cement as per IS specifications should not be less than

10 minutes
30 minutes
60 minutes
600 minutes

4.The constituent of cement which is responsible for all the undesirable properties of cement is

dicalcium silicate
tricalcium silicate
tricalcium aluminate
tetra calcium alumino ferrite

5.Study the following statements. i) Hydraulic lime is suitable for white washing, ii) Fat lime is suitable for whitewashing, iii) Hydraulic lime is suitable for making mortar, iv) Fat lime is suitable for making mortar. The correct answer is

(i) and (iv)
(ii) and (iii)
(i) and (ii)
(iii) and (iv)

More Building Materials And Construction QUESTIONS AND ANSWERS available in next pages

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