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ME Set-1
Steam Boilers and Engines
188

Steam Boilers and Engines MCQ with Answers

188) The forced circulation of water does not take place in

La-Mont boiler

Lancashire boiler

Velox boiler

Benson boiler

Answer is:

Lancashire boiler

Steam Boilers and Engines MCQ with Answers

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Related Steam Boilers and Engines MCQ with Answers

189) A device used to heat feed water by utilising the heat in me exhaust flue gases before leaving through the chimny, is known as

economiser

fusible plug

superheater

stop valve

Answer is:

economiser

A device used to heat feed water by utilising the heat in me exhaust flue gases before leaving through the chimny, is known as

190) The factor of evaporation for all boilers is always

equal to unity

less than unity

greater than unity

none of these

Answer is:

greater than unity

191) The ratio of the actual vacuum to the ideal vacuum in a condenser is called

condenser efficiency

vacuum efficiency

nozzle efficiency

boiler efficiency

Answer is:

vacuum efficiency

192) The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where H = Height ot the chimney in metres, and T₁ = Absolute temperature of air outside the chimney in K)

(T1)/(88.25H)

(88.25H)/(T1)

(T1)/(176.5H)

(176.5H)/(T1)

Answer is:

(176.5H)/(T1)

Steam Boilers and Engines MCQ with Answers

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