# The saturation temperature of steam with increase in pressure increases

1.  linearly

2.  rapidly first and then slowly

3.  slowly first and then rapidly

4.  inversely

4

rapidly first and then slowly

Explanation :
No Explanation available for this question

# Carbonization of coal is the process of

1.  pulverizing coal in inert atmosphere

2.  heating wood in a limited supply of air at temperatures below 300°C

3.  strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel

4.   enriching carbon in the coal

4

strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel

Explanation :
No Explanation available for this question

# Coke is produced by

1.  pulverizing coal in inert atmosphere

2.  heating wood in a limited supply of air at temperatures below 3000C

3.  strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel

4.  binding the pulverized coal into briquettes

4

strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel

Explanation :
No Explanation available for this question

# Heating of dry steam above saturation temperature is known as

1.  enthalpy

2.  super-heating

3.  supersaturation

4.  latent heat

4

super-heating

Explanation :
No Explanation available for this question

# Super-heating of steam is done at

1.  constant volume

2.  constant temperature

3.  constant pressure

4.  constant entropy

4

constant pressure

Explanation :
No Explanation available for this question

# 1 kg.m is equal to

1.  9.81 Joules

2.  50 Joules

3.  427 Joules

4.  102 Joules

4

9.81 Joules

Explanation :
No Explanation available for this question

# If partial pressure of air and steam be pa and ps respectively in a condenser, then according to Dalton's law, the pressure in condenser is equal to

1.  Ps-Pa

2.  pa-ps

3.  Pa+P

4.  None

4

Pa+P

Explanation :
No Explanation available for this question

# The specific volume of steam with increase in pressure decreases

1.  linearly

2.  slowly first and then rapidly

3.  rapidly first and then slowly

4.  inversely

4

rapidly first and then slowly

Explanation :
No Explanation available for this question

# The equivalent evaporation of a boiler is a measure to compare

1.  the given boiler with the model

2.  the two different boilers of the same make

3.  two different makes of boilers operating under the same operating conditions

4.   any type of boilers operating under any conditions

4

any type of boilers operating under any conditions

Explanation :
No Explanation available for this question

# The coal requirement per kW hour generation in the thermal power plant is of the order of

1.  0.1 to 0.2 kg

2.  0.2 to 0.4 kg

3.  0.6 to 0.8 kg

4.  1.0 to 1.5 kg

4