Engineering Materials MCQ Question with Answer

Engineering Materials MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

Question No : 36
In low carbon steels, presence of small quantities of sulphur improves

Weldability

Formability

Machinability

Hardenability

Question No : 37
White metal contains

63 to 67% nickel and 30% copper

88% copper and 10% tin and rest zinc

Alloy of tin, lead and cadmium

Silver and chromium

Question No : 38
Inconel contains

65% nickel, 15% chromium and 20% iron

68% nickel, 29% copper and 3% other constituents

80% nickel and 20% chromium

80% nickel, 14% chromium and 6% iron

Question No : 39
Blast furnace is used to produce

Pig iron

Cast iron

Wrought iron

Steel

Question No : 40
Delta-iron occurs between the temperature ranges of

400°C to 600°C

600°C to 900°C

900°C to 1400°C

1400°C to 1530°C

Question No : 41
An engineer's hammer is made of

Cast iron

Forged steel

Mild steel

High carbon steel

Question No : 42
The addition of which of the following improves machining of copper?

Sulphur

Vanadium

Tin

Zinc