Engineering Materials

Question: The catalysts are used to accelerate the chemical reaction during the process of ploymerisation of plastics.
[A].

True

[B].

False

Answer: Option A

Explanation:

No answer description available for this question.

Question: Incoloy, Hastelloy and Vitallium are __________ temperature alloys.
[A].

high

[B].

low

Answer: Option A

Explanation:

No answer description available for this question.

Question: Nimonic contains __________ percentage of nickel as that of Inconel.
[A].

same

[B].

less

[C].

more

Answer: Option A

Explanation:

No answer description available for this question.

Question: Nichrome contains more iron than Inconel.
[A].

Agree

[B].

Disagree

Answer: Option A

Explanation:

No answer description available for this question.

Question: Inconel contains
[A].

65% nickel, 15% chromium and 20% iron

[B].

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

[C].

80% nickel and 20% chromium

[D].

80% nickel, 14% chromium and 6% iron

Answer: Option D

Explanation:

No answer description available for this question.

Question: Monel metal contains
[A].

65% nickel, 15% chromium and 20% iron

[B].

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

[C].

80% nickel and 20% chromium

[D].

80% nickel, 14% chromium and 6% iron

Answer: Option B

Explanation:

No answer description available for this question.

Question: Manganese bronze has
[A].

good wearing qualities and high elasticity

[B].

high yield point, high fatigue limit and excellent cold and hot corrosion resistance

[C].

high resistance to corrosion

[D].

valuable cold working property

Answer: Option C

Explanation:

No answer description available for this question.

Question: Aluminium bronze has high resistance to corrosion.
[A].

True

[B].

False

Answer: Option B

Explanation:

No answer description available for this question.

Question: Beryllium bronze has
[A].

high yield point

[B].

high fatigue limit

[C].

both (a) and (b)

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

Question: Babbit metal contains
[A].

50% tin and 50% antimony

[B].

66% tin, 30% copper and 4% antimony

[C].

88% tin, 4% copper and 8% antimony

[D].

92% tin, 6% copper and 2% antimony

Answer: Option C

Explanation:

No answer description available for this question.