Steam Boilers, Engines, Nozzles and Turbines An air preheater is installed None of these Before the economiser Between the economiser and chimney Before the superheater None of these Before the economiser Between the economiser and chimney Before the superheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of internal flue tubes of a Lancashire boiler is about ___ that of its shell. One-fourth One-third Two-fifth One-half One-fourth One-third Two-fifth One-half ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a valve rod is To provide simple harmonic motion to the D-slide valve To convert rotary motion of the crankshaft into to and fro motion of the valve rod To convert reciprocating motion of the piston into rotary motion of the crank To provide reciprocating motion to the slide valve To provide simple harmonic motion to the D-slide valve To convert rotary motion of the crankshaft into to and fro motion of the valve rod To convert reciprocating motion of the piston into rotary motion of the crank To provide reciprocating motion to the slide valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The performance of a boiler is measured by the Steam produced in kg/h Steam produced in kg/kg of fuel burnt Amount of water evaporated per hour All of the listed here Steam produced in kg/h Steam produced in kg/kg of fuel burnt Amount of water evaporated per hour All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In order to obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will Improve Remain unaffected May improve/worsen depending on size Worsen Improve Remain unaffected May improve/worsen depending on size Worsen ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The increase in pressure Lowers the boiling point of a liquid Does not affects the boiling point of a liquid Raises the boiling point of a liquid Reduces its volume Lowers the boiling point of a liquid Does not affects the boiling point of a liquid Raises the boiling point of a liquid Reduces its volume ANSWER DOWNLOAD EXAMIANS APP