PS TEST 1 ( X - HEAT )

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EFFORTS NEVER FAIL

NAME : *

1. WHICH OF THE FOLLOWING IS A WARMING PROCESS *

1 point

Evaporation

Condensation

Boiling

All the above

2. WHEN ICE MELTS, ITS TEMPERATURE IS..... *

1 point

Remains constant

Increases

Decreases

Cannot say

3. WHICH OF THE FOLLOWING IS A COOLING PROCESS *

1 point

Evaporation

Condensation

Boiling

All the above

4. C.G.S. unit of specific heat *

1 point

J/kg-k

J/g-k

cal/g-0c

cal/kg - oc

5 . RATE OF EVAPORATION OF A LIQUID DEPENDS ON ITS *

1 point

Surface area

Temperature

Amount of water vapour

All the above

6. THE SPECIFIC HEAT OF A SUBSTANCE DEPENDS ON ITS *

1 point

Temparature

Mass

Nature

All the above

7. WHICH OF THE FOLLOWING HAS MORE SPECIFIC HEAT *

1 point

Kerosene oil

Iron

Copper

Water

8. WHAT HAPPENS TO THE TEMPERATURE DURING EVAPORATION *

1 point

Falls

Rise

Constant

Not linear

9 . CONSERVATION OF STEAM INTO LIQUID IS CALLED *

1 point

Sublimation

Boiling

Evoparation

Condensation

10 . C.G.S. UNIT OF LATENT HEAT OF VAPORIZATION *

1 point

J / kg

J - kg

cal / g

cal - kg

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