An air preheater
The diameter of superheated tubes in a locomotive boiler is
The fire tubes in a Locomotive boiler has __________ diameter.
Which of the following is a fire tube boiler ?
A Tandem type compound engine requires a larger flywheel.
In forced circulation steam boilers, the force is applied
Besides mean effective pressure, the data required to determine the indicated power of an engine include
The water tube boilers produce steam at a __________ pressure than that of fire tube boilers.
The actual vacuum in a condenser is equal to
Throttle governing of steam engines is a method of controlling the engine output by varying
A condenser in a steam power plant
The amount of water evaporated from feed water at __________ into dry and saturated steam atC at normal atmospheric pressure is called equivalent evaporation from and atC.
A throttle governed steam engine developskW withkg per hour of steam andkW withkg per hour of steam. The steam consumption in kg per hour when developingkW will be nearly
Which of the following statement is wrong?
An economiser is installed in a boiler primarily to
The function of a governor is to keep the engine speed uniform at all load conditions.
The efficiency of the plant __________ with the mechanical draught.
The mechanical draught __________ with the amount of smoke.
The function of a superheater is to heat the feed water by utilising the heat in the exhaust flue gases before leaving through the chimney.
Willian's line follows the law (where b = A constant representing the shape of the Willian's line, a = Another constant i.e. no load consumption per hour, I.P. = Indicated power, and m = Steam consumption per hour)
In a double acting steam engine, the steam is admitted on one side of the piston and two working strokes are produced during each revolution of the crankshaft.
Which of the following are boiler accessories ?
When the circulation of water, in a boiler, is by convection currents which are set up during the heating of water, then the boiler is known as
The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as
The theoretical indicator diagram of a simple steam engine is based upon the assumption that
The high pressure and low pressure cylinders in a Woolf type compound engine are regarded as having cranks
When the expansion of steam is carried out in a single cylinder and then exhausted into the atmosphere or a condenser, the engine is said to be a simple steam engine.
Cornish boilers are multi-tubular boilers.
All steam engines work on
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