- (A) inside boiler furnaces
- (B) during melting of ice
- (C) through the surface of the insulted pipe carrying steam
- (D) from refrigerator coils to freezer of a refrigerator
Exam preparation MCQs with answers
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Latest MCQs
- (A) temperature of the two bodies must be different
- (B) both bodies must be solids
- (C) both bodies must be in contact
- (D) at least one of the bodies must have some source of heating
- (A) transmits all incident radiations
- (B) absorbs all incident radiations
- (C) reflects all incident radiations
- (D) absorbs, reflects and transmits all incident radiations
- (A) white body
- (B) grey body
- (C) black body
- (D) transparent body
- (A) Eddy current heating
- (B) Arc heating
- (C) Induction heating
- (D) Dielectric heating
- (A) Arc heating
- (B) Dielectric heating
- (C) Induction heating
- (D) Resistance heating
- (A) Quicker operation
- (B) Higher efficiency
- (C) Absence of flue gases
- (D) All of the above
- (A) Resistance heating
- (B) Dielectric heating
- (C) Arc heating
- (D) Induction heating
- (A) Induction heating
- (B) Dielectric heating
- (C) Electric resistance heating
- (D) All of the above
- (A) nickel copper
- (B) nichrome
- (C) silicon carbide
- (D) silver
