A safety valve usually employed with stationary boilers is
The function of a piston rod is
A single acting steam engine produces __________ power than that of double acting steam engine.
Cut-off governing of steam engines is a method of controlling the engine output by varying
Which of the following boiler is best suited to meet the fluctuating demand of steam ?
The fire tubes in a Scotch marine boiler are
Loeffler boiler is a water tube boiler using a forced circulation of water.
The pressure of steam in the engine cylinder at the beginning of the stroke is __________ the boiler pressure.
In a boiler, feed water supplied per hour iskg while coal fired per hour iskg. The net enthalpy rise per kg of water iskJ. If the calorific valve of the coal iskJ/kg, then the boiler efficiency will be
An air preheater is installed
In a reciprocating steam engine, the heat energy in the steam is converted into mechanical work by the to and fro motion of the piston.
La-mont boiler, is a high pressure water tube steam boiler working on forced circulation.
The function of a flywheel is
A safety valve mainly used with locomotive and marine boilers is
The length of shell of a Locomotive boiler is
The effect of wire drawing is to decrease the area of indicator diagram and thus work done by the engine is reduced.
The power of a boiler may be defined as
The function of a connecting rod is not to convert reciprocating motion of the piston into rotary motion.
The rate of steam produced in Benson boiler is
In a uniflow engine
When the circulation of water, in a boiler, is by a centrifugal pump, then the boiler is known as
Which of the following statement is correct for a compound steam engine ?
In natural circulation steam boilers, the circulation of water is by convection currents which are set up during the heating of water.
Which of the following statement is correct ?
The shell diameter of a Locomotive boiler is
The function of a safety valve is
When the speed of the crankshaft is betweenr.p.m. andr.p.m., the engine said to be a
The cut-off ratio is the reciprocal of expansion ratio,
The selection of type and size of a steam boiler depends upon
In a receiver type compound engine, the high pressure and low pressure cylinders
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