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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The forced circulation of water does not take place in

Lancashire boiler
Velox boiler
LaMont boiler
Benson boiler

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

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

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Steam Boilers, Engines, Nozzles and Turbines
The function of a cross-head is to guide motion of the _________ and to prevent it from bending.

Connecting rod
Valve rod
Eccentric rod
Piston rod

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Steam Boilers, Engines, Nozzles and Turbines
A safety valve in a locomotive starts leaking. The leaking medium will be

Super heated steam
Water
Wet steam
Dry steam

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Steam Boilers, Engines, Nozzles and Turbines
Duplex feed pumps are used in small steam boilers. These operate on the principle of

Gear pump
Axial flow pump
Centrifugal pump
Reciprocating pump

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following is correct? (Where pa = Actual mean effective pressure, pm = Theoretical mean effective pressure, and K = Diagram factor)

pa = pm + K
pa = K/pm
pa = pm/K
pa = pm × K

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