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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The draught produced by a steam jet issuing from a nozzle placed in the chimney is called

Chimney draught
None of these
Induced steam jet draught
Forced steam jet draught

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Steam Boilers, Engines, Nozzles and Turbines
A safety valve mainly used with locomotive and marine boilers is

Dead weight safety valve
Lever safety valve
High steam and low water safety valve
Spring loaded safety valve

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following boiler is best suited to meet the fluctuating demand of steam?

Lancashire boiler
Babcock and Wilcox boiler
Locomotive boiler
Cornish boiler

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Steam Boilers, Engines, Nozzles and Turbines
Parson's reaction turbine is a __________ reaction turbine.

40 percent
50 percent
60 percent
70 percent

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of flue tube in a Cornish boiler is _________ that of the shell.

Two-fifth
Three-fifth
One-fourth
One-third

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of the useful heat drop to the isentropic heat drop is called

Vacuum efficiency
Condenser efficiency
Boiler efficiency
Nozzle efficiency

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