1000+ Engineering Materials MCQ Questions & Answers Pdf - 2

Question: 6

Cemented carbide tools are generally not used for the machining of

(A) aluminium

(B) brass

(C) bronze

(D) steel

Question: 7

Cold work is done on the metal

(A) after slightly warming the metal in furnace

(B) at zero degree centigrade temperature

(C) below the thermal critical range

(D) above the thermal critical range

Question: 8

Stress concentration occurs when

(A) a body is subjected to non-uniform stress distribution

(B) a body is subjected to reversing stress

(C) a body is subjected to unidirectional stress

(D) a body is subjected to excessive stress

Question: 9

The maximum hardenability of any steel depends on

(A) the alloying elements present

(B) the grain size

(C) the chemical composition

(D) the carbon content

Question: 10

Cadmium sulphide cell is a

(A) thermocouple

(B) photovoltaic cell

(C) solar cell

(D) photo conductive cell