Permalloy is a___________________?

Question: German silver contains
[A].

70% copper and 30% zinc

[B].

60% copper and 40% zinc

[C].

59% copper, 40% zinc and 1% tin

[D].

60.45% copper, 35.2% zinc and 5.35% nickel

Answer: Option D

Explanation:

No answer description available for this question.

Question: Free cutting steels
[A].

contain carbon in free from

[B].

require minimum cutting force

[C].

is used where rapid machining is the prime requirement

[D].

can be cut freely

Answer: Option C

Explanation:

No answer description available for this question.

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.