Efficiency of a thermal cycle increases by A) Regeneration B) Reheating of steam C) Both A and B D) Cooling of steam
Which of the following gases has the highest calorific value A) Producer gas B) Coal gas C) Water gas D) Blast furnace gas
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
Which of the following substance will have same percentage in both proximate and ultimate analysis A) Ash B) Volatile matter C) Moisture D) Hydrogen
Which of the following is a fire tube boiler A) Locomotive boiler B) Babcock and Wilcox boiler C) Stirling boiler D) All of the above
The high pressure boiler is oiie producing steam at a pressure more than A) Atmospheric pressure B) 5 kg/cm2 C) 10 kg/cm2 D) 75-80 kg/cm2
The diameter of cylindrical shell of the Lancashire boiler is of the order of A) 1 tp 1.25m B) 1 to 1.75 m C) 2 to 4 m D) 1.75 to 2.75 m
Which of the following is steam dbal? A) Non-coking bituminous coal B) Brown coal C) Pulverized coal D) Coking bituminous coal