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Heat and Thermodynamics MCQs

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Heat and Thermodynamics MCQs. We covered all the Heat and Thermodynamics MCQs in this post for free so that you can practice well for the exam.

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These types of competitive MCQs appear in the exams like CSIR, NET, SET, FRO, JL, DL, APPSC, TSPSC Exams, etc. We created all the competitive exam MCQs into several small posts on our website for your convenience.

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MCQ on Heat and Thermodynamics for Students

The equation for Gibb’s function is

1. dQ = dV+dW

2. dH = TdS + VdP

3. dU = TdS – PdV

4. dH = TdS + VdP

Option 4 – dH = TdS + VdP

A black body is placed in a vacuum-spaced area at 27°C. Calculate the ratio of the rate of radiation emitted when the black body is at 527°C and 127°C.

1. 21:23

2. 23 : 1

3. 23:14

4. 4 : 221

Option 2 – 23 : 1

Which State of India experiences the maximum annual variation of rainfall?

(A) Meghalaya

(B) Kerala

(C) Rajasthan

(D) West Bengal

Show Answer

The fraction of heat that changes into work

1. Helm-Holtz free energy

2. Gibb’s free energy

3. H+G

4. F +G

Option 2 – Gibb’s free energy

Which of the following represents the fraction that can be changed into work from internal energy

1. Enthalpy

2. Gibbs energy

3. Total energy

4. Helm-Holtz free energy

Option 4 – Helm-Holtz free energy

Pakyong Airport is located in?

(A) Sikkim

(B) Jammu and Kashmir

(C) Arunachal Pradesh

(D) Mizoram

Show Answer

The temperature at which Gibb’s free energy becomes zero

1. T=H/S

2. T= S/H

3. T = SH

4. T= S+H

Option 1 – T=H/S

When the pressure is increased, the boiling point of the liquid

1. increases

2. doesn’t change

3. decreases

4. none of these

Option 1 – increases

The function of enthalpy

1. H = PV

2. H = U

3. H =U+PV

4. H = QUT

Option 3 – H =U+PV

We covered all the heat and thermodynamics mcqs above in this post for free so that you can practice well for the exam.

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