Question 1

Separation of coarse aggregates from mortar during transportation, is known

Accepted Answer

segregation

Answer

creeping

Answer

shrinkage

Answer

bleeding

Question 2

The process of hardening the concrete by keeping its surface moist is known

Accepted Answer

curing

Answer

wetting

Answer

placing

Answer

compacting

Question 3

Workability of concrete for a given water content is good if the aggregates, are

Accepted Answer

rounded aggregate

Answer

irregular aggregate

Answer

flaky aggregates.

Answer

angular aggregate

Question 4

slump required for mass concreting

Accepted Answer

25-50mm

Answer

12-25mm

Answer

50-100mm

Answer

25-75mm

Question 5

Le-Chatelier's apparatus is used for testing

Accepted Answer

soundness of cement

Answer

durability of cement.

Answer

strength of cement

Answer

hardness of cement

Question 6

M10 grade of concrete approximates

Accepted Answer

1 : 3 : 6 mix

Answer

1 : 2 : 4 mix

Answer

1 : 1.5 : 3 mix

Answer

1 : 1 : 2 mix

Question 7

Vibrator used for road work

Accepted Answer

surface vibrator

Answer

needle vibrator

Answer

table vibrator

Answer

platform vibrator

Question 8

steam curing is used in

Accepted Answer

mass production of precast units

Answer

none of these

Answer

beam

Answer

columns

Question 9

cylinder strength = ................... X  cube  strength

Accepted Answer

0.8

Answer

0.7

Answer

1.2

Answer

1.5

Question 10

Quantity of water required per 50kg of cement for grade M20 concrete

Accepted Answer

30L

Answer

60L

Answer

45L

Answer

32L

Related quizzes

Related quizzes