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 Superheater None of these Blow off cock Stop valve TRUE ANSWER : ? YOUR ANSWER : ?
The efficiency of the plant __________ with the mechanical draught. Increases Decreases None of these Remains constant TRUE ANSWER : ? YOUR ANSWER : ?
The process of maintaining the speed of the turbine constant for various load conditions, is known as None of these Bleeding Governing Reheating TRUE ANSWER : ? YOUR ANSWER : ?
In accelerated circulation type boiler Water is supplied in drum and through down comers located in atmospheric condition it passes to the water wall and rises to drum in the form of mixture of water and steam Feed pump is employed to supplement natural circulation in water wall type furnace Heating takes place at bottom and the water supplied at bottom gets converted into the mixture of steam bubbles and hot water which rise to drum Water is converted into steam in one pass without any recirculation TRUE ANSWER : ? YOUR ANSWER : ?
The average value of diagram factor lies between 0.65 to 0.9 0.2 to 0.5 0.5 to 0.65 0.8 to 1.2 TRUE ANSWER : ? YOUR ANSWER : ?
A safety valve usually employed with stationary boilers is All of the listed here High steam and low water safety valve Lever safety valve Dead weight safety valve TRUE ANSWER : ? YOUR ANSWER : ?
An air preheater is installed Before the superheater Before the economiser Between the economiser and chimney None of these TRUE ANSWER : ? YOUR ANSWER : ?
De-Laval turbines are mostly used For large power purposes Where low speeds are required For small power purposes and high speeds For small power purposes and low speeds TRUE ANSWER : ? YOUR ANSWER : ?
A condenser where circulating water flows through tubes which are surrounded by steam, in known as Jet condenser Barometric condenser Evaporative condenser Surface condenser TRUE ANSWER : ? YOUR ANSWER : ?
The diameters of fire tubes and superheater tubes in locomotive boiler are 32.5 mm, 180 mm 24.5 mm, 65 mm 65.5 mm, 210 mm 47.5 mm, 130 mm TRUE ANSWER : ? YOUR ANSWER : ?