Materials and Construction MCQs

Question 1

Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the

Accepted Answer

Endurance limit

Answer

Ultimate tensile strength (U.T.S.)

Answer

Elastic limit

Answer

None of these

Question 2

Acid proof stoneware

Accepted Answer

All of the above

Answer

Has very low strength

Answer

Cannot be heated

Answer

Is broken by small temperature changes

Question 3

Steel pipes are normally manufactured by __________ process.

Accepted Answer

Extrusion

Answer

Cold working

Answer

Forging

Answer

Electroforming

Question 4

Invar contains the highest percentage of

Accepted Answer

Iron

Answer

Vanadium

Answer

Tungsten

Answer

Cobalt

Question 5

The most distinguished property of malleable cast iron is its high

Accepted Answer

Ductility

Answer

Hardness

Answer

Malleability

Answer

None of these

Question 6

Which of the following is not an alloy of nickel and chromium?

Accepted Answer

Duralumin

Answer

Inconel

Answer

Hastealloy

Answer

Nimonic alloys

Question 7

Ball bearings are normally made of __________ steel.

Accepted Answer

Chrome

Answer

High speed

Answer

High carbon

Answer

Silicon

Question 8

Steel balls for ball bearings are generally made of __________ steel.

Accepted Answer

Carbon chrome

Answer

Cast

Answer

Stainless

Answer

Free carbon

Question 9

Clock pendulums are usually made of __________ steel.

Accepted Answer

None of these

Answer

High speed

Answer

Stainless

Answer

Heat resisting