“The ratio of the total emissive power to the absorptivity for all bodies is same at ther-mal equilibrium”. This is __________ law.

Question: For the same heat input & compression ratio, efficiency of Otto cycle is higher than that of diesel cycle, because in Otto cycle.
[A].

heat rejection is lower.

[B].

expansion & compression are isentropic.

[C].

maximum temperature is higher.

[D].

combustion is at constant volume.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Malleabilisation heat treatment is performed on
[A].

cast steel

[B].

grey cast iron

[C].

white cast iron

[D].

spheroidal graphite cast iron

Answer: Option C

Explanation:

No answer description available for this question.