| 1 |
Which is expert thermal climber: |
- A. Crow
- B. Sparrow
- C. Hawks
- D. None
|
| 2 |
Heat form one of a metal rod a reaches to the other by the process of |
- A. convection
- B. radiation
- C. conduction
- D. both (a) and (b)
|
| 3 |
There are ______ modes of transfer of heat: |
|
| 4 |
Larger is the area greater will be: |
- A. Radiation
- B. Transfer of heat
- C. Evaporation
- D. Conduction of heat
|
| 5 |
The quantity of heat absorbed by the body depends upon: |
- A. Colour of surface
- B. Nature of surface
- C. Shape of surface
- D. Both a & b
|
| 6 |
Metals are good conductor of heat due to |
- A. Free Electrons
- B. Big size of their molecules
- C. Small size of their molecules
- D. Rapid vibrations of their atoms
|
| 7 |
The quantity of heat absorbed by the body depends upon: |
- A. Colour of surface
- B. Nature of surface
- C. Shape of surface
- D. Both a and b
|
| 8 |
The example of bad conductor is: |
- A. Wool
- B. Copper
- C. Gold
- D. Iron
|
| 9 |
Shining silvered surface is a best: |
- A. Emitter
- B. Absorber
- C. Reflector
- D. None of these
|
| 10 |
See breeze blows form sear to land during: |
- A. day
- B. night
- C. after noon
- D. morning
|
