Question 1

Trap is a

Accepted Answer

silicious rock

Answer

calcarious rock

Answer

argillaceous rock

Answer

stratified rock

Question 2

Dolomite after metamorphism changes to

Accepted Answer

marble

Answer

slate

Answer

quartzite

Answer

phyallite

Question 3

Granite, after metamorphism transforms to

Accepted Answer

gneiss

Answer

slate

Answer

schist

Answer

quartzite

Question 4

The most suitable stone for building piers is

Accepted Answer

granite

Answer

sand stone

Answer

limestone

Answer

marble

Question 5

The temperature range in a cement kiln is

Accepted Answer

1300 to l500°C

Answer

500 to 1000° C

Answer

1000 to 1200° C

Answer

1600 to 2000°C

Question 6

Ordinary Portland cement should have surface area not less than

Accepted Answer

2250

Answer

3250

Answer

4000

Answer

3000

Question 7

Consider the following oxides:
1.$ Al_2O_3$     2. CaO     3.$ SiO_2$
The correct sequence in increasing order of their percentage in an ordinary Portland
cement is

Accepted Answer

1, 3, 2

Answer

3, 1, 2

Answer

1, 2, 3

Answer

2, 1, 3

Question 8

If p is the standard consistency of cement, the amount of water used in conducting the
initial setting time test on cement is

Accepted Answer

0.85 p

Answer

0.65 p

Answer

0.8 p

Answer

0.6 p

Question 9

The rate of heat evolution of the following four compounds in decending order is
1. $C_3S $          2. $C_2S  $              3. $C_3A$            4.$ C_4AF$

Accepted Answer

3, 1 ,4, 2

Answer

1, 2, 3, 4

Answer

3, 4, 1, 2

Answer

3, 4, 2, 1

Question 10

The bound water (by weight) % required for complete hydration of cement is about

Accepted Answer

23

Answer

15

Answer

40

Answer

38

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