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 Throttle governing By-pass governing Cut-off governing None of these TRUE ANSWER : ? YOUR ANSWER : ?
The major axis of elliptical manholes on the shell should be provided On dished end Anywhere Longitudinally Circumferentially TRUE ANSWER : ? YOUR ANSWER : ?
The cylinder condensation or missing quantity may be reduced by The efficient steam jacketing of the cylinder walls Keeping the expansion ratio small in each cylinder Superheating the steam supplied to the engine cylinder All of these TRUE ANSWER : ? YOUR ANSWER : ?
Equivalent evaporation is the amount of water evaporated in a boiler from and at Saturation temperature at given pressure Room temperature 100°C 0°C TRUE ANSWER : ? YOUR ANSWER : ?
Relative percentage of heat absorbed through the heat transfer of(i) Furnace water wall(ii) Boiler tank(iii) Superheater(iv) Economizer(v) Air-heater of a typical boiler of 200 MW capacity would be of the order of 48 : 20 : 15 : 7 : 10 10 : 7 : 15 : 20 : 48 7 : 15 : 20 : 10 : 48 20 : 48 : 7 : 15 : 10 TRUE ANSWER : ? YOUR ANSWER : ?
The amount of water evaporated in kg per kg of fuel burnt is called Equivalent evaporation from and at 100° C Evaporative capacity of a boiler None of these Boiler efficiency TRUE ANSWER : ? YOUR ANSWER : ?
The variation of steam pressure in the nozzle depends upon Specific volume of steam Dryness fraction of steam Velocity of steam All of these TRUE ANSWER : ? YOUR ANSWER : ?
A wet vapor can be completely specified by Pressure and dryness fraction Dryness fraction only Pressure only Temperature only TRUE ANSWER : ? YOUR ANSWER : ?
A vessel into which the steam is exhausted and condensed after doing work in an engine cylinder or turbine is known as Steam boiler Steam preheater Steam condenser Economiser TRUE ANSWER : ? YOUR ANSWER : ?