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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Which of the following is not a boiler mounting?

Fusible plug
Economiser
Feed check valve
Blow off cock

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of cylindrical shell of the Lancashire boiler is of the order of

1 to 1.75 m
1.75 to 2.75 m
2 to 4 m
1 to 1.25 m

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Steam Boilers, Engines, Nozzles and Turbines
Locomotive type' boiler is

Water wall enclosed furnace type
Horizontal multi-tubular water tube boiler
Vertical tubular fire tube type
Horizontal multi-tubular fire tube type

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Steam Boilers, Engines, Nozzles and Turbines
When the cross-section of a nozzle increases continuously from entrance to exit, it is called a

None of these
Divergent nozzle
Convergent nozzle
Convergent-divergent nozzle

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Steam Boilers, Engines, Nozzles and Turbines
The length of Cornish boiler varies from

5 to 7.5 m
2 to 4.5 m
3 to 5 m
7 to 9 m

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

0.3
0.1
0.8
0.5

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