A condenser where circulating water flows through tubes which are surrounded by steam, in known as
The ratio of heat equivalent to brake power to the energy supplied in steam is known as
Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler ?
In a single acting steam engine
Expansion ratio is the ratio of
When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by
The capacity and working pressure.of a Cornish boiler is __________ as compared to Lancashire boiler.
Combustuion of fuel takes place __________ the engine cylinder of a steam engine.
When the speed of the engine is controlled by means of a valve in a steam pipe, which regulates the pressure of steam entering the engine, then the governing is known as
The length of Lancashire boiler varies from
By compounding the expansion of steam in two or more cylinders, the ratio of expansion
The cylindrical shell of a Lancashire boiler has diameter from
For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is __________ the piston speed of single acting steam engine.
The forced circulation of water does not take place in
The ratio of brake power to the indicated power is known as
The water tubes in a simple vertical boiler are
Which of the following boiler works on a forced circulation of water?
A compound steam engine in which piston rods of high pressure and low pressure cylinders are attached to two different cranks set atto each other, is called
A device used to heat feed water by utilising the heat in me exhaust flue gases before leaving through the chimny, is known as
The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known as
The clearance in the engine cylinder has no effect on the steam consumption.
The principal function of a stop valve is to
A device used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit, is called
An economiser is generally placed between
The length of Cornish boiler varies from
The device attached to the steam chest for preventing explosions due to excessive internal pressure of steam is called
In fire tube boilers
The indicated thermal efficiency is defined as the
In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of
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