Question 1

Softer variety of steel may be obtained by

Accepted Answer

Bessemer process

Question 2

Pick up the correct statement from the following:

Accepted Answer

All the above.

Question 3

Cement paints usually

Accepted Answer

all the above.

Question 4

Calcination of iron ores is done

Accepted Answer

all the above.

Question 5

PVC stands for

Accepted Answer

polythene vinyl chloride

Question 6

Pig iron is manufactured from the ores by

Accepted Answer

all the above.

Question 7

Invar contains

Accepted Answer

36% of nickel.

Question 8

The percentage of water for normal consistency, is

Accepted Answer

15% to 25%

Question 9

The initial setting time of hydraulic lime, is

Accepted Answer

120 minutes

Question 10

Plywood is obtained by gluing wooden sheets at

Accepted Answer

both (a) and (b)

Question 11

Pick up the correct statement from the following:

Accepted Answer

All the above.

Question 12

Based on flow quality, the sequence of pipes is

Accepted Answer

C.I. pipes, G.I. pipes, A.C. pipes, PVC pipes

Question 13

Bitumen emulsion is

Accepted Answer

all the above.

Question 14

Strength of cement concrete primarily depends upon

Accepted Answer

water-cement ratio.

Question 15

Pick up the correct statement from the following:

Accepted Answer

All the above.

Question 16

Lime stone is not a

Accepted Answer

metamorphic rock.

Question 17

In order of increasing percentage of silica, the correct sequence is

Accepted Answer

calcareous clay, pure clay, sandy clay

Question 18

A piece of timber whose thickness and width are respectively 5 cm and 10 cm is called

Accepted Answer

strip.

Question 19

Pick up the volcanic rock from the following:

Accepted Answer

Basalt

Question 20

Bitumen is generally obtained from

Accepted Answer

petroleum product

Building Materials Questions