Hamad Steam Boilers, Engines, Nozzles and Turbines 16/07/2021 A. 9.81 Joules B. All Joules C. 427 Joules D. 102 Joules E. 539 Joules Related Mcqs: Water tube boilers are those in which________________?A. flue gases pass through tubes and water around it B. water passes through the tubes and flue gases around it C. work is done during adiabatic expansion D. change in enthalpy E. none of the above... The crown of the fire box is made hemispherical in order to___________________?A. give maximum space B. give maximum strength C. withstand pressure inside boiler , D. resist intense heat in fire box E. enable easy,manufacture... Fusible plug for boilers is made of fusible metal containing tin, lead, and___________________?A. bismuth B. copper C. aluminium D. nickel E. iron... Fire tube boilers are limited to a maximum design working pressure of ____________________?A. 1 kg/cm B. 6 kg/cm C. 17 kg/cm2 D. 100 kg/cm2 E. 250 kg/cm2... With increase in load, convection superheater has_______________________?A. drooping characteristic B. linear characterisstic C. rising characteristic D. flat characteristic C. none of the above...
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