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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The specific heat of superheated steam in kcal/kg is generally of the order of

0.8
0.3
0.1
0.5

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Steam Boilers, Engines, Nozzles and Turbines
Fusible plug for boilers is made of fusible metal containing tin, lead, and

Nickel
Aluminium
Copper
Bismuth

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Steam Boilers, Engines, Nozzles and Turbines
The length of Cornish boiler is of the order of

35 m
24 m
57.5 m
79 m

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Steam Boilers, Engines, Nozzles and Turbines
Which is not correct statement about pulverized fuel firing?

Fuel burns economically
It is the best technique for burning high ash content fuel having low fusion ash
Heat release can be easily controlled
High burning rate is possible

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Steam Boilers, Engines, Nozzles and Turbines
Lancashire boiler is a

Mobile fire tube boiler
Stationary water tube boiler
Water tube boiler with natural/forced circulation
Stationary fire tube boiler

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Steam Boilers, Engines, Nozzles and Turbines
Presence of moisture in fuel oil would

Because sputtering, possibly extinguishing flame
Aid in proper combustion
Keep the burner tips cool
Clean the nozzles

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