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.  

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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

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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

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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

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

(A) Zero

(B) One

(C) Infinity

(D) Ten

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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.

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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

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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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