Heat Transfer Trivia Quiz!
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- 1.Thermal conductivity of water in general with rising in temperature.
- A.
Increases
- B.
Decreases
- C.
Remains constant
- D.
May increase or decrease depending on temperature
- E.
None of the above.
- 2.Heat transfer takes place as per_____________
- A.
Zeroth law of thermodynamics
- B.
First law of thermodynamic
- C.
Second law of the thermodynamics
- D.
Kirchhoff law
- E.
Stefan's law.
- 3.Thermal conductivity of air with rising in temperature:
- A.
Increases
- B.
Decreases
- C.
Remains constant
- D.
May increase or decrease depending on temperature
- E.
None of the above.
- 4.The capacity to do work is called as:
- A.
Heat
- B.
Energy
- C.
work
- D.
None of the above
- 5.Heat is measured in:
- A.
Joule
- B.
Calorie
- C.
Both A and B
- D.
Joule/second
- 6.The form of energy that produces a feeling of hotness is called?
- A.
Work
- B.
Heat
- C.
Energy
- D.
none of the above
- 7.With increase in temperature, heat will be:
- A.
Increase
- B.
Constant
- C.
Dcrease
- D.
Double
- 8.Heat capacity depends on?
- A.
Change in temperature
- B.
Mass of body
- C.
Nature of substance
- D.
All the above
- 9.Which of the following are the processes of transfer of heat?
- A.
Conduction
- B.
Convection
- C.
Radiation
- D.
All the above
- 10.The process of transfer of heat in solids is called as:
- A.
Conduction
- B.
Convection
- C.
Radiation
- D.
All the above
- 11.When heat is transferred from one particle of a hot body to another by actual motion of the heated particles, it is referred to as heat transfer by?
- A.
Conduction
- B.
Convection
- C.
Radiation
- D.
Conduction and convection
- E.
All the above
- 12.In Conduction process the molecules of the solid pass the heat from one to another:
- A.
Without themselves moving from one place to another.
- B.
Without themselves moving from their positions.
- C.
Themselves move from one place to another
- D.
None of the above
- 13.Unit of thermal conductivity in M.K.S. units is:
- A.
Kcal/kg m2 °c
- B.
Kcal-m/hr m2 °C
- C.
Kcal/hr m2 °C
- D.
Kcal-m/hr °C
- 14.In convection, the molecules:
- A.
Without themselves moving from their positions.
- B.
Themselves move from one place to another
- C.
Without themselves moving from one place to another.
- D.
None of the above
- 15.Solids are not heated by convection because:
- A.
Solid are not free to move from one place to another
- B.
Molecules only vibrate about fixed position
- C.
Both A and B
- D.
None of the above
- 16.It is the process of heat transfer from a hot body to a colder body without heating the space between the two is called as:
- A.
Conduction
- B.
Convection
- C.
Radiation
- D.
Absorption
- 17.At what factor heat absorbed on radiation by body depends on?
- A.
Distance between body
- B.
Source of heat
- C.
Its colour
- D.
All the above
- 18.Heat of sun reach the earth by :
- A.
Conduction
- B.
Convection
- C.
Radiation
- D.
Absorption
- 19.Clothes of ………………… colours absorb heat better than clothes of ………….colours.
- A.
Light, dark
- B.
Dark, light
- C.
Soft, dark,
- D.
None of the above
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