The film co-efficient is decreased due to the presence of non-condensing gases in the vapors. The film co-efficient of superheated vapor as compared to that of saturated vapor is

Heat Transfer
The film co-efficient is decreased due to the presence of non-condensing gases in the vapors. The film co-efficient of superheated vapor as compared to that of saturated vapor is

More

Either more or less ; depends on the nature of vapor

Less

Some

More

Either more or less ; depends on the nature of vapor

Less

Some

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
The range of electromagnetic spectrum important in heat transfer by radiation is __________ microns.

0.38-0.78

5-50

100-1000

0.5-50

0.38-0.78

5-50

100-1000

0.5-50

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Which has the lowest Prandtl number?

Liquid metal

Water

Aqueous solution

Lube oil

Liquid metal

Water

Aqueous solution

Lube oil

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface?

Liquid viscosity

Liquid density

Interfacial tension

Hot surface temperature

Liquid viscosity

Liquid density

Interfacial tension

Hot surface temperature

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Open pan evaporators are preferred to be used, when the solution to be concentrated is

Corrosive

Highly viscous

Scaling

Salty

Corrosive

Highly viscous

Scaling

Salty

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Prandtl number is the reciprocal of

Thermal diffusivity/Momentum diffusivity

Thermal diffusivity x Momentum

Mass diffusivity x Momentum diffusivity

Thermal diffusivity x Mass diffusivity

Thermal diffusivity/Momentum diffusivity

Thermal diffusivity x Momentum

Mass diffusivity x Momentum diffusivity

Thermal diffusivity x Mass diffusivity

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer

Heat Transfer The film co-efficient is decreased due to the presence of non-condensing gases in the vapors. The film co-efficient of superheated vapor as compared to that of saturated vapor is

Heat Transfer The range of electromagnetic spectrum important in heat transfer by radiation is __________ microns.

Heat Transfer Which has the lowest Prandtl number?

Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface?

Heat Transfer Open pan evaporators are preferred to be used, when the solution to be concentrated is

Heat Transfer Prandtl number is the reciprocal of

Heat Transfer
The film co-efficient is decreased due to the presence of non-condensing gases in the vapors. The film co-efficient of superheated vapor as compared to that of saturated vapor is

Heat Transfer
The range of electromagnetic spectrum important in heat transfer by radiation is __________ microns.

Heat Transfer
Which has the lowest Prandtl number?

Heat Transfer
Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface?

Heat Transfer
Open pan evaporators are preferred to be used, when the solution to be concentrated is

Heat Transfer
Prandtl number is the reciprocal of