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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Hard coke is used in

Cement industry
Thermal power plant
Blast furnace
Domestic use

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Steam Boilers, Engines, Nozzles and Turbines
The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency, and hd = Enthalpy or heat drop during expansion of steam in a nozzle)

V = 44.72 hd K
V = 44.72 K hd
V = 44.72 K hd
V = 44.72 K hd

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Steam Boilers, Engines, Nozzles and Turbines
The chimney draught varies with

Climatic conditions
Temperature of furnace gases
Height of chimney
All of these

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Steam Boilers, Engines, Nozzles and Turbines
In a receiver type compound engine, the high pressure and low pressure cylinders

Have common piston rod
Are set at 90°
Are set in V-arrangement
Have separate piston rods

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Steam Boilers, Engines, Nozzles and Turbines
The number of flue tubes in Lancashire boiler is

Zero
Two
One
Four

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of fire tube of Cornish boiler compared to its shell is

One fourth
One third
One fifth
One half

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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