The evaporation of 15.653 kg of water per hour from and at 100°C is called_________________?

A. Evaporative capacity
B. Factor of evaporation
C. Equivalent evaporation
D. One boiler h.p.

Cochran boiler is a__________________?

A. Horizontal fire-tube boiler
B. Horizontal water-tube boiler
C. Veritcal water-tube boiler
D. Vertical fire tube boiler

During polytropic process_________________?

A. Heat transfer takes place across cylinder walls
B. Work is done
C. Steam may be wet, dry or superheated after expansion
D. All of the above

Orsat meter is used for__________________?

A. Gravimetric analysis of the flue gases
B. Volumetric analysis of the flue gases
C. Mass flow of the flue gases
D. Measuring smoke density of flue gases

An ideal regenerative cycle is ______________________?

A. Equal to carnot cycle
B. Less than carnot cycle
C. More than carnot cycle
D. Could be anything

One kilowatt-hour energy is equivalent to ________________?

A. 1000 j
B. 360 kj
C. 3600 kj
D. 3600 kw/sec

Lancashire ‘boiler is a__________________?

A. Stationary fire tube boiler
B. Stationary water tube boiler
C. Water tube boiler with natural/forced circulation
D. Mobile fire tube boiler

100% efficiency of a thermal cycle cannot be achieved because of __________________?

A. Frictional losses
B. It is not possible to achieve 0°k temperature
C. Leakage
D. Non-availability of ideal substance

The change in internal energy in steam engines equals to__________________?

A. Work done during the rankine cycle ;
B. Work done during compression.
C. Work done during adiabatic expansion
D. Change in enthalpy

The diameter of fire tube of Cornish boiler compared to its shell is__________________?

A. One half
B. One third
C. One-fifth
D. Two-fifth