GK Questions on Heat & Temperature

These are very important and latest General Knowledge on Heat and Temperature for all competitive exams like IAS, Bank PO, SSC CGL, RAS, CDS, UPSC exams and all state-related exam. Practice with this huge collection of General Knowledge Questions. General Knowledge questions and answers.  

Now you can practice with a very useful General Knowledge Questions with Answers. General Knowledge Questions for Bank Exams, Rajasthan Police and many other Competitive Exams.

General Knowledge on Heat & Temperature 

Q.1 Which of the following is the fastest process of heat transfer?

(A) conduction

(B) convection

(C) radiation

(D) insolation

Q.2 The factors directly proportional to the amount of heat conducted through a metal rod is -

(A) Time of flow of Heat

(B) Area of cross section

(C) Temperature gradient

(D) All the above

Q.3 1 gm of ice at 0° C is mixed with 1 gm of steam at 100° C. After thermal equilibrium, the temperature of the mixture is

(A) 0° C

(B) 50° C

(C) 80° C

(D) 100° C

Q.4 What would be the thermal resistance of an ideal conductor?

(A) Zero

(B) One

(C) Infinity

(D) Ten

Q.5 Why does the bottom of a lake not freeze in severe winter even when the surface is all frozen?

(A) The water has a large specific heat

(B) The conductivity of ice is low

(C) The water has a large latent heat of fusion

(D) The temperature of the earth at the bottom of the lake is high.

Q.6 A cooking pot is coated black because -

(A) black substances absorb more heat

(B) black substances reflect more heat

(C) black surfaces are easier to clean

(D) the material of the pot would not be damaged

Q.7 Specific heat is -

(A) the specific temperature at which the substance is in a solid state.

(B) the energy needed to increase the temperature of 1 gram of a substance by 1 degree Celsius.

(C) the amount of heat conducted in 1 minute.

(D) the heat needed to increase the temperature of 1 gallon of water by 1 degree Fahrenheit.

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