The ratio of the energy required to produce the artificial draught (expressed in meters head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to natural draught, is known as

Steam Boilers, Engines, Nozzles and Turbines
The ratio of the energy required to produce the artificial draught (expressed in meters head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to natural draught, is known as

Efficiency of the chimney

Efficiency of the boiler

Efficiency of the fan

Power of the boiler

Efficiency of the chimney

Efficiency of the boiler

Efficiency of the fan

Power of the boiler

ANSWER DOWNLOAD EXAMIANS APP

Steam Boilers, Engines, Nozzles and Turbines
The friction present between the steam and the nozzle surfaces reduces the heat drop by

25 to 40%

40 to 60%

10 to 15%

15 to 25%

25 to 40%

40 to 60%

10 to 15%

15 to 25%

ANSWER DOWNLOAD EXAMIANS APP

Steam Boilers, Engines, Nozzles and Turbines
1 kg.m is equal to

102 Joules

None of these

427 Joules

9.81 Joules

102 Joules

None of these

427 Joules

9.81 Joules

ANSWER DOWNLOAD EXAMIANS APP

Steam Boilers, Engines, Nozzles and Turbines
Vacuum for reciprocating steam engines compared to steam turbines is

Equal

Less

More

Could be more or less depending on the size of plant

Equal

Less

More

Could be more or less depending on the size of plant

ANSWER DOWNLOAD EXAMIANS APP

Steam Boilers, Engines, Nozzles and Turbines
The velocity of flue gases (V) through the chimney under a static draught of (H') metres is given by

V = 2g/H'

V = H'/2g

V = 2g H'

V = 2gH'

V = 2g/H'

V = H'/2g

V = 2g H'

V = 2gH'

ANSWER DOWNLOAD EXAMIANS APP

Steam Boilers, Engines, Nozzles and Turbines
The difference between Cornish boiler and Lancashire boiler is that

Former is fire tube type and latter is water tube type boiler

Former is water tube type and latter is fire tube type

Former contains one fire tube and latter contains two fire tubes

None of the listed here

Former is fire tube type and latter is water tube type boiler

Former is water tube type and latter is fire tube type

Former contains one fire tube and latter contains two fire tubes

None of the listed here

ANSWER DOWNLOAD EXAMIANS APP

Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines The ratio of the energy required to produce the artificial draught (expressed in meters head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to natural draught, is known as

Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by

Steam Boilers, Engines, Nozzles and Turbines 1 kg.m is equal to

Steam Boilers, Engines, Nozzles and Turbines Vacuum for reciprocating steam engines compared to steam turbines is

Steam Boilers, Engines, Nozzles and Turbines The velocity of flue gases (V) through the chimney under a static draught of (H') metres is given by

Steam Boilers, Engines, Nozzles and Turbines The difference between Cornish boiler and Lancashire boiler is that

Steam Boilers, Engines, Nozzles and Turbines
The ratio of the energy required to produce the artificial draught (expressed in meters head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to natural draught, is known as

Steam Boilers, Engines, Nozzles and Turbines
The friction present between the steam and the nozzle surfaces reduces the heat drop by

Steam Boilers, Engines, Nozzles and Turbines
1 kg.m is equal to

Steam Boilers, Engines, Nozzles and Turbines
Vacuum for reciprocating steam engines compared to steam turbines is

Steam Boilers, Engines, Nozzles and Turbines
The velocity of flue gases (V) through the chimney under a static draught of (H') metres is given by

Steam Boilers, Engines, Nozzles and Turbines
The difference between Cornish boiler and Lancashire boiler is that