# Compressed air coming out from a punctured football

1.  Becomes hotter

2.  Becomes cooler

3.  Remains at the same temperature

4.  May become hotter or cooler depending upon the humidity of the surrounding air

4

Becomes cooler

Explanation :
No Explanation available for this question

# Water contained in a beaker can be made to boil by passing steam through it

1.  At atmospheric pressure

2.  At a pressure below the tropospheric pressure

3.  At a pressure greater than atmospheric pressure

4.  Any pressure

4

At a pressure greater than atmospheric pressure

Explanation :
No Explanation available for this question

# During throttling process:-

1.  Heat exchange does not take place

2.  No work is done by expanding steam

3.  There is no change of internal energy of steam

4.  All of the above

4

All of the above

Explanation :
No Explanation available for this question

# The energy of molecular motion appears as

1.  Heat

2.  Potential energy

3.  Surface tension

4.  Friction

4

Heat

Explanation :
No Explanation available for this question

# A sudden fall in the barometer reading is a sign of approaching

1.  Fine weather

2.  Rains

3.  Storm

4.  Cold wave

4

Storm

Explanation :
No Explanation available for this question

# Calorie is a measure of

1.  Specific heat

2.  Quantity of heat

3.  Thermal capacity

4.  Entropy

4

Quantity of heat

Explanation :
No Explanation available for this question

# 1kgf/cm2 is equal to

1.  760 mm Hg

2.  Zero mm Hg

3.  735.6 mm Hg

4.  1 mm Hg

4

735.6 mm Hg

Explanation :
No Explanation available for this question

# Barometric pressure is equal to

1.  760 mm Hg

2.  Zero mm Hg

3.  735.6 mm Hg

4.  1 mm Hg

4

760 mm Hg

Explanation :
No Explanation available for this question

# One barometric pressure or 1 atmospheric pressure is equal to

1.  1kgf/cm2

2.  1.033kgf/cm2

3.  0kgf/cm2

4.  1.0197kgf/cm2

4

1.033kgf/cm2

Explanation :
No Explanation available for this question

# The first law of thermodynamics is the law of

1.  Conservation of mass

2.  Conservation of energy

3.  Conservation of momentum

4.  Conservation of heat

4