Thermodynamics (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics): Questions 31 - 32 of 32

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Question number: 31

» Thermodynamics » Concept of Temperature

Appeared in Year: 2009

MCQ▾

Question

A nuclear fuel rod generates energy at a rate of . It is the shape of a cylinder of radius and length . A coolant of specific heat flows past it at a rate of . The temperature rise in the coolant is approximately,

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 32

» Thermodynamics » Work in Thermodynamic Process and PV Diagrams

Appeared in Year: 2016

MCQ▾

Question

A gas at initial temperature undergoes sudden expansion from volume to . Then –

Choices

Choice (4) Response

a.

The work done in this process is where is the number of moles of the gas

b.

The process is adiabatic

c.

The entropy in the process does not change

d.

The process is isothermal

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