# At which pressure the properties of water and steam become identical

1.  0.1 kg/cm2

2.  1 kg/cm2

3.  100 kg/cm2

4.  225.6 kg/cm2

4

225.6 kg/cm2

Explanation :
No Explanation available for this question

# In an experiment to determine dryness fraction of steam, the mass of water separated was 1.2 kg in 15mts and the mass of steam passed out in same time was 4.8 kg. Dryness fraction is

1.  40%

2.  25%

3.  50%

4.  80%

4

80\%

Explanation :
No Explanation available for this question

# While steam expands in turbines, theoretically the entropy

1.  remains constant

2.  increases

3.  decreases

4.  behaves unpredictably

4

remains constant

Explanation :
No Explanation available for this question

# Heating wet steam at constant temperature is heating it at constant

1.  volume

2.  pressure

3.  entropy

4.  enthalpy

4

pressure

Explanation :
No Explanation available for this question

1.  essentially an isentropic process

2.  non-heat transfer process

3.  reversible process

4.  constant temperature process

4

non-heat transfer process

Explanation :
No Explanation available for this question

# The state of vapor under saturation condition is described by

1.  pressure alone

2.  temperature alone

3.  pressure and temperature

4.  pressure and dryness fraction

4

pressure and dryness fraction

Explanation :
No Explanation available for this question

# Pick up the wrong statement about critical condition of steam

1.  latent heat is zero

2.  liquid directly becomes steam

3.  specific volume of steam and liquid is same

4.  this is the maximum pressure limit

4

this is the maximum pressure limit

Explanation :
No Explanation available for this question

# Water boils when its vapor pressure

1.  equals that of the surroundings

2.  equals 760 mm of mercury

3.  equals to atmospheric pressure

4.  equals the pressure of water in the container

4

equals that of the surroundings

Explanation :
No Explanation available for this question

# A fluid is said to be ideal, if it is

1.  in compressible

2.  In-viscous

3.  viscous and in compressible

4.  in-viscous and in compressible

4

in-viscous and in compressible

Explanation :
No Explanation available for this question

1.  421kgm

2.  421kgm

3.  539kgm

4.  102kgm

4