Chapter 11 Heat - Test 4

1. Convection may take place in any liquid or gas.

1) False
2) True
2. In the beginning only source of heat was.

1) sun
2) cotton
3) wood
4) oil
5) wool
3. The ort of measuring temperature.
1) thermodynamic
2) conductivity
3) Electricity
4) heat
5) thermometry
4. Two objects of different temperature lead to attain same temperature is termed as .

1) equilibrium
2) Thermal equilibrium
3) convection
4) stable equilibrium
5) Thermal conductivity
5. Thermometer used for scientific purposes


1) Kelvin scale
2) Fahrenheit scale
3) Celsius scale
4) none of them
5) centigrade scale
6. The temperature of pure melting ice at standard atmospheric pressure.
1) First reference point
2) third reference point
3) fourth reference point
4) sixth reference point
5) second reference point
7. the boiling temperature of pure water at standard atmospheric pressure

1) third reference point
2) First reference point
3) second reference point
4) sixth reference point
5) fourth reference point
8. Expansion of Aluminum as compared to steel is

1) five times
2) Tripple
3) double
4) same
5) Four times
9. If the rod is heated up, its increase length depends on
1) nature of material rod
2) length of rod
3) change in temperature
4) none of them
5) a,b.& c.are correct
10. co-efficient of expansion of a body estimates
1) expansion
2) mass
3) weight
4) volume
5) force of attraction
10. co-efficient of expansion of a body estimates
1) expansion
2) mass
3) weight
4) volume
5) force of attraction
12. latent heat of fusion of ice is

1) 663 KJ/Kg
2) 336 KJ/Kg
3) 363 KJ/Kg
4) 633 KJ/Kg
5) 636 KJ/Kg
12. latent heat of fusion of ice is

1) 663 KJ/Kg
2) 336 KJ/Kg
3) 363 KJ/Kg
4) 633 KJ/Kg
5) 636 KJ/Kg
12. latent heat of fusion of ice is

1) 663 KJ/Kg
2) 336 KJ/Kg
3) 363 KJ/Kg
4) 633 KJ/Kg
5) 636 KJ/Kg
12. latent heat of fusion of ice is

1) 663 KJ/Kg
2) 336 KJ/Kg
3) 363 KJ/Kg
4) 633 KJ/Kg
5) 636 KJ/Kg
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