Steam traps are provided in steam carrying pipelines to

Heat Transfer
Steam traps are provided in steam carrying pipelines to

condense steam

release excess steam pressure by bleeding steam.

remove condensate and inert gases

none of the listed here

condense steam

release excess steam pressure by bleeding steam.

remove condensate and inert gases

none of the listed here

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
In counter flow compared to parallel flow,

LMTD is greater

More surface area is required for a given heat transfer rate

Both A and B

Less surface area is required for a given heat transfer rate

LMTD is greater

More surface area is required for a given heat transfer rate

Both A and B

Less surface area is required for a given heat transfer rate

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
The overall heat transfer co-efficient for a shell and tube heat exchanger for clean surfaces is U0 = 400 W/m².K. The fouling factor after one year of operation is found to be hd0 = 2000 W/m².K. The overall heat transfer co-efficient at this time is

1200W/m².K

287 W/m².K

894W/m².K

333W/m².K

1200W/m².K

287 W/m².K

894W/m².K

333W/m².K

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Maximum water velocity in tubes of a 1-2 shell and tube heat exchanger may be around __________ metres/second.

20

10

1

30

20

10

1

30

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
In a gas-liquid shell and tube heat exchanger, the

Presence of a non-condensible gas decreases the condensing film co-efficient

All of these

Gases to be heated/cooled is normally routed through the shell side, because the corrosion caused by the cooling water or steam condensate remain localised to the tubes

Gases under high pressure are routed through the tube side, because high pressure gases are corrosive in nature

Presence of a non-condensible gas decreases the condensing film co-efficient

All of these

Gases to be heated/cooled is normally routed through the shell side, because the corrosion caused by the cooling water or steam condensate remain localised to the tubes

Gases under high pressure are routed through the tube side, because high pressure gases are corrosive in nature

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Overall heat transfer co-efficient for cooling of hydrocarbons by water is about

1000 - 1500 BTU/hr. ft.2°F

50 -100 W/m² . °K

50 -100 Kcal/hr.m².°C

50 -100 BTU/hr. ft.2°F

1000 - 1500 BTU/hr. ft.2°F

50 -100 W/m² . °K

50 -100 Kcal/hr.m².°C

50 -100 BTU/hr. ft.2°F

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer

Heat Transfer Steam traps are provided in steam carrying pipelines to

Heat Transfer In counter flow compared to parallel flow,

Heat Transfer The overall heat transfer co-efficient for a shell and tube heat exchanger for clean surfaces is U0 = 400 W/m².K. The fouling factor after one year of operation is found to be hd0 = 2000 W/m².K. The overall heat transfer co-efficient at this time is

Heat Transfer Maximum water velocity in tubes of a 1-2 shell and tube heat exchanger may be around __________ metres/second.

Heat Transfer In a gas-liquid shell and tube heat exchanger, the

Heat Transfer Overall heat transfer co-efficient for cooling of hydrocarbons by water is about

Heat Transfer
Steam traps are provided in steam carrying pipelines to

Heat Transfer
In counter flow compared to parallel flow,

Heat Transfer
The overall heat transfer co-efficient for a shell and tube heat exchanger for clean surfaces is U0 = 400 W/m².K. The fouling factor after one year of operation is found to be hd0 = 2000 W/m².K. The overall heat transfer co-efficient at this time is

Heat Transfer
Maximum water velocity in tubes of a 1-2 shell and tube heat exchanger may be around __________ metres/second.

Heat Transfer
In a gas-liquid shell and tube heat exchanger, the

Heat Transfer
Overall heat transfer co-efficient for cooling of hydrocarbons by water is about