Bronze is an alloy of copper and
Question: Bronze is an alloy of copper and
[A].
lead
tin
nickel
zinc
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
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In connection with corrosion of metals, passivation is the process that
Question: In connection with corrosion of metals, passivation is the process that
[A].intensifies deterioration. [B].
changes the composition of the metal. [C].
inhibits further deterioration. [D].
none of these. Answer: Option C
Explanation:
No answer description available for this question.
Glauber’s salt is chemically
Question: Glauber’s salt is chemically
[A].calcium sulphate [B].
potassium sulphate [C].
potassium chlorate [D].
none of these Answer: Option D
Explanation:
No answer description available for this question.
Biological shield in a nuclear power reactor is made of
Question: Biological shield in a nuclear power reactor is made of
[A].concrete [B].
steel [C].
cadmium [D].
zircalloy Answer: Option A
Explanation:
No answer description available for this question.
Duriron is__________________?
Duriron is__________________?A. Acid resistant, brittle and very hard
B. High silicon iron
C. Prone to breakage due to thermal expansion because of its very high co-efficient of thermal
expansion
D. All A., B. and C.A spark ignition petrol engine has
Question: A spark ignition petrol engine has
[A].throttle valve [B].
carburettor [C].
both (a) & (b) [D].
neither (a) nor (b) Answer: Option C
Explanation:
No answer description available for this question.
Orsat apparatus
Question: Orsat apparatus
[A].gives flue gas analysis on dry basis. [B].
determines N2 in flue gas indirectly. [C].
can’t determine CO in flue gas, if it is < 0.2%. [D].
all (a), (b) & (c). Answer: Option D
Explanation:
No answer description available for this question.