Question 1

Quick lime is a:

Accepted Answer

Product left immediately after the calcinations of pure limestone

Answer

Carbonate of lime

Answer

Oxide of calcium

Answer

Lime quickly treated with water

Question 2

The lime commonly used in whitewashing is :

Accepted Answer

Fat lime

Answer

Slaked lime

Answer

Poor lime

Answer

Hydraulic lime

Question 3

Corrosion resistance of stainless steel is due to :

Accepted Answer

Chromium

Answer

Sulphur

Answer

Chromium Vanadium

Answer

Manganese

Question 4

Which of the following iron has maximum tensile strength :

Accepted Answer

Nodular cast iron

Answer

Pig iron

Answer

White cast iron

Answer

Grey cast iron

Question 5

The process adopted to make the steel to soft is known as:

Accepted Answer

Annealing

Answer

Hardening

Answer

Normalizing

Answer

Tempering

Question 6

Various stages of coal is :

Accepted Answer

Wood – Peat - Lignite - Bituminous coal – Anthracite

Answer

Wood - Lignite – Peat – Anthracite - Bituminous coal

Answer

Wood – Lignite – Anthracite - Peat - Bituminous coal

Answer

Wood – Anthracite – Peat - Lignite - Bituminous coal

Question 7

Which wood is used to made wooden T-Square?

Accepted Answer

Teak

Answer

Pine

Answer

Oak

Answer

Linoleum

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