Thermodynamics MCQ-01

Q.1 The unit of temperature in S.I. unit _____.

A. Kelvin     

B. Celsius

C. Centigrade 

D. All of the above 

Ans.: A

Q.2 The unit of energy _____.

A. Joule/sec

B. Watt

C. Joule

D. Erg

Ans.: C 

Q.3 Erg is unit of ______.

A. Energy

B. Electric power 

C. Heat

D. Work

Ans.: B

Q.4 How many fundamental units ___.

A. 5

B. 7

C. 6

D. 9

Ans.: B

Q.5 what is the S.I. unit of power?

A. Erg

B. Newton

C. Joule

D. Watt

Ans.: D

Q.6 what is the S.I. unit of time?

A. Hour

B. Minute

C. Second

D. Day

Ans.: C

Q.7 Length is measured in ______.

A. Meter/sec

B. Km/hour

C. Meter 

D. All of the above

Ans.: C

Q.8 Internal energy of a substance depend on _______.

A. Volume 

B. Entropy 

C. Temperature 

D. Pressure 

Ans.: C

Q.9 First law of thermodynamics define ___.

A. Conservation of mass.

B. Conservation of energy.

C. Conservation of heat.

D. None of the above. 

Ans.: B

Q.10 In S.I. unit 1 bar is equal to  ____. 

A. 1 kN/m^2

B. 1×10^5 N/m^2

C. 1×10^4 N/m^2

D. 1×10^6 N/m^2

Ans.: B

Q.11 What is the value of Barometric pressure?

A. 100 mm Hg

B. 1 mm Hg 

C. 735.6 mm Hg

D. 760 mm Hg

Ans.: D

Q.12 In which cycle air refrigerators work? 

A. Otto cycle 

B. Carnot cycle 

C. Reversed joule cycle

D. Diesel cycle

Ans.: C 

Q.13  1 KWH of energy is equal to _____.

A. 3600 joule 

B. 3600 kJ 

C. 100 J

D. 36000 KJ

Ans.: B 

Q.14  which of the following measured in calorie ? 

A. Work

B. Entropy

C. Specific heat

D. Quantity of heat 

Ans.: D

Q.15 What is the unit of universal gas constant? 

A. Watts/°k

B. Erg/°k 

C. Erg cm/° k

D. None of the above 

Ans.: D