The ratio of the actual vacuum to the ideal vacuum in a condenser is called
Condenser efficiency
Vacuum efficiency
Nozzle efficiency
Boiler efficiency
- In a throttling process
- Incomplete combustion can be best judged by
- A safety valve usually employed with stationary boilers is
- An air preheater is installed
- The length of Cornish boiler is of the order of
- Boiler stays are used to
- The maximum discharge of steam through a convergent-divergent nozzle depends upon
- One kg of steam sample contains 0.8 kg dry steam; Its dryness fraction is
- The clearance in the engine cylinder
- The performance of a boiler is measured by the
- When the circulation of water, in a boiler, is by a centrifugal pump, then the boiler is known as
- In forced circulation type boiler
- The bituminous coal is no caking if its carbon content is
- The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where…
- The mechanical draught _________ with the amount of smoke.
- Spontaneous combustion is a phenomenon in which
- Which of the following are boiler accessories?
- Fire tube boilers are those in which
- O₂ content in atmospheric air on weight basis is
- Expansion ratio is the ratio of
- In order to reduce the rotor speed of an impulse turbine, the method employed is
- Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler?
- Superheating of steam is done at
- The length of Cornish boiler varies from
- The safety valve on boiler drum compared to safety valve on superheater is set at
- The diameter of flue tube in a Cornish boiler is _________ that of the shell.
- In reaction turbines, the axial thrust is due to
- For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine…
- The water tubes in a Babcock and Wilcox boiler are
- In a receiver type compound engine, the high pressure and low pressure cylinders