Engineering Materials - Study Mode

[#96] Iron-carbon alloys containing 1.7 to 4.3% carbon are known as
Correct Answer

(B) Hypoeutectic cast irons

Explanation

Solution: Iron-carbon alloys containing 1.7 to 4.3% carbon are known as Hypoeutectic cast irons

[#97] Pipes for bicycle frames are made of
Correct Answer

(A) Cold rolled steel

Explanation

Solution: Pipes for bicycle frames are made of Cold rolled steel

[#98] Which of the following metal is used for nuclear energy?
Correct Answer

(D) All of these

Explanation

Solution: Uranium, Thorium and Niobium metal are used for nuclear energy

[#99] Aluminium bronze contains aluminium and copper in the ratio of
Correct Answer

(D) 10 : 90

Explanation

Solution: Aluminium bronze contains aluminium and copper in the ratio of 10 : 90

[#100] When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces
Correct Answer

(D) Alloy cast iron

Explanation

Solution: When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces Alloy cast iron. Alloy cast iron - cast iron containing alloying elements (usually nickel or chromium or copper or molybdenum) to increase the strength or facilitate heat treatment. Alloy cast iron - an alloy of iron containing so much carbon that it is brittle and so cannot be wrought but must be shaped by casting.