Heat transfers through fluids by the method cal...
Heat transfers through fluids by the method called:
Absorption | |
Conduction | |
Convection | |
Radiation |
All Question of 9th Class
9th Class
User login
The thermal conductivity of dry air is _Wm-1K-1
The thermal conductivity of dry air is _Wm-1K-1
0.03 | |
0.08 | |
0.026 | |
0.2 |
____is good radiator of hear.
____is good radiator of hear.
A shining silvered surface | |
A dull black surface | |
A green coloured surface | |
A white surface |
Poor conductor of heat is.
Poor conductor of heat is:
Iron | |
Water | |
Aluminium | |
Copper |
Example of a bad conductor is.
Example of a bad conductor is:
Wool | |
Iron | |
Graphite | |
Gold |
Thermal conductivity of rubber'is.
Thermal conductivity of rubber'is:
0.2 Wm-1K-1 | |
0.59 Wm-1K-1 | |
0.08 Wm-1K-1 | |
1.7 Wm-1K-1 |
Thermal conductivity is directly proportional t...
Thermal conductivity is directly proportional to:
Time | |
Area | |
Temperature | |
Length of conductor |
Thermal conductivity of Silver is-------Wm-1k-1
Thermal conductivity of Silver is-------Wm-1k-1
430 | |
105 | |
245 | |
400 |
The major source of Heat Energy is.
The major source of Heat Energy is:
Earth | |
Sun | |
Nuclear fules | |
Moon |
The ways by which transfer of heat takes place ...
The ways by which transfer of heat takes place are:
3 | |
4 | |
2 | |
1 |
Which of the following material has larger valu...
Which of the following material has larger value of temperature coefficient of linear expanison?
Aluminum | |
Brass | |
Steel | |
Gold |
In the thermal expansion. ?=
In the thermal expansion: ?=
3? | |
?/3 | |
4? | |
2? |
Which gas is used in spite of frozen gas in ref...
Which gas is used in spite of frozen gas in refrigerator:
H2 | |
CO2 | |
N2 | |
NH3 |
Latest Heat of Fusion of Ice at 0°C is Given By.
Latest Heat of Fusion of Ice at 0°C is Given By.
3.36x103JKg-1 | |
33.6 x105JKg-1 | |
336 x105JKg-1 | |
3.36 x105JKg-1 |
The value of specific heat of silver in Jkg-1k-...
The value of specific heat of silver in Jkg-1k-1 is:
128 | |
138.6 | |
235 | |
134.8 |
The specific heat of water is.
The specific heat of water is:
4200 JKg-1K-1 | |
3200 JKg-1K-1 | |
2200 JKg-1K-1 | |
1200 JKg-1K-1 |
The Specific heat of iron in Joules per kilogra...
The Specific heat of iron in Joules per kilogram per kelven is:
920 | |
470 | |
503 | |
387 |
Unit of specific heat capacity in SI system is.
Unit of specific heat capacity in SI system is:
JKg-1K-1 | |
J-1Kg | |
JKg K-1 | |
JKgk |
Which material has large specific heat?
Which material has large specific heat?
Water | |
Copper | |
Ice | |
Mercury |
In gases, heat is mainly transferred by.
In gases, heat is mainly transferred by:
Radiation | |
Molecular | |
Conduction | |
Convection |