Neutrons are present in all atoms except that of
Question: Neutrons are present in all atoms except that of
[A].
He
C
H
Ar
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
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Abrasion index of blast furnace coke should be around __________ percent.
Question: Abrasion index of blast furnace coke should be around __________ percent.
[A].20 [B].
35 [C].
55 [D].
80 Answer: Option D
Explanation:
No answer description available for this question.
Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because
Question: Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because
[A].the hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot. [B].
it reduces its calorific value tremendously. [C].
it reduces its flame temperature tremendously. [D].
there are chances of explosion during preheating. Answer: Option A
Explanation:
No answer description available for this question.
Sub zero treatment of steel is done to____________________?
Sub zero treatment of steel is done to____________________?A. Suppress martensite transformation
B. Enhance its working performance in sub zero atmosphere
C. Reduce the retained austenite in hardened steel
D. Induce temper brittleness after its hardeningIn reverberatory furnace, charge is heated mainly by
Question: In reverberatory furnace, charge is heated mainly by
[A].conduction. [B].
natural convection. [C].
radiation of heat from the roof of the combustion chamber. [D].
none of these. Answer: Option C
Explanation:
No answer description available for this question.
The amount of different substances produced, when the same quantity of electricity is passed through different solutions are proportional to their__________________?
The amount of different substances produced, when the same quantity of electricity is passed through different solutions are proportional to their__________________?A. Equivalent weight
B. (Equivalent weight)2
C. Molecular weight
D. (Molecular weight)2Equilibrium-moisture curves of different solids
Question: Equilibrium-moisture curves of different solids
[A].are different [B].
are same [C].
depend on the humidity of the gas [D].
none of these Answer: Option A
Explanation:
No answer description available for this question.