Which of the following substance will have same percentage in both proximate and ultimate analysis___________________?

A. Ash
B. Volatile matter
C. Mositure
D. Hydrogen

Lancashire boiler is of____________________?

A. stationaryB. horizontal type
C. natural cirulation type
D. internally fired type

Steam engine operates on_________________?

A. Carnot cycle
B. Joule cycle
C. Stirling cycle
D. Brayton cycle

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

The lenght of Cornish boiler is of the order of _________________?

A. 2-4 m
B. 3-5 m
C. 5-7.5 m
D. 7-9 m

Which of the following gases has the highest calorific value ________________?

A. Producer gas
B. Coal gas
C. Water gas
D. Blast furnace gas

For burning 1 kg of carbon to CO as per chemically correct combusiton, amount of air required is___________________?

A. 1 kg
B. 4/3kg
C. 8/3kg
D. 2 kg

Efficiency of rankine cycle can be increased by_________________?

A. Decreasing initial steam pressure and temperature
B. Increasing exhaust pressure
C. Decreasing exhaust pressure
D. Increasing the expansion ratio

Efficiency of a thermal cycle increases by ________________?

A. Regeneration
B. Reheating of steam
C. Both a. and b.
D. Cooling of steam

Alkaline pyrogallate is used in Orsat’s apparatus for absorption of _________________?

A. C02
B. Co
C. 02
D. N2