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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The rate of steam produced in Benson boiler is

135 tonnes/h
100 tonnes/h
250 tonnes/h
175 tonnes/h

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Steam Boilers, Engines, Nozzles and Turbines
Relative percentage of heat absorbed through the heat transfer of (i) Furnace water wall (ii) Boiler tank (iii) Superheater (iv) Economizer (v) Air-heater of a typical boiler of 200 MW capacity would be of the order of

10 : 7 : 15 : 20 : 48
48 : 20 : 15 : 7 : 10
20 : 48 : 7 : 15 : 10
7 : 15 : 20 : 10 : 48

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Steam Boilers, Engines, Nozzles and Turbines
Lancashire boiler is

Horizontal boiler
All of these
Internally fired boiler
Stationary fire tube boiler

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Steam Boilers, Engines, Nozzles and Turbines
In a steam condenser, the partial pressure of steam and air are 0.06 bar and 0.007 bar respectively. The condenser pressure is

0.053 bar
0.007 bar
0.067 bar
0.06 bar

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Steam Boilers, Engines, Nozzles and Turbines
The number of water level indicators in a boiler are generally __________ in number.

Four
One
Two
Three

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Steam Boilers, Engines, Nozzles and Turbines
The behavior of coal in a furnace is determined by

The exact analysis
The proximate analysis
The content of sulphur
The content of ash and heating value

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