The ratio of brake power to the indicated power is known as
Mechanical efficiency
Overall efficiency
Indicated thermal efficiency
Brake thermal efficiency
- Which is not correct statement about effect of sulphur in fuel?
- When the speed of the crankshaft is between 100 r.p.m. and 250 r.p.m., the engine said to be a
- For the same diameter and thickness of tube, a water tube boiler has ________ heating surface as compared…
- Curtis turbine is a
- The equivalent evaporation of a boiler is a measure to compare
- The velocity of flue gases (V) through the chimney under a static draught of (H') metres is given by
- A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes…
- Reheating of steam under ideal conditions takes place at constant
- The maximum discharge through a chimney occurs when the height of chimney is
- The efficiency of steam turbines may be improved by
- An economiser is installed in a boiler primarily to
- Which of the following statement is wrong?
- The rate of discharge through the nozzle __________ when the exit pressure is gradually reduced.
- The artificial draught is produced by
- The factor of evaporation for all boilers is always
- It is required to produce large amount of steam at low pressure. Which boiler should be used?
- Evaporative capacity of boiler is expressed as
- Film boiling occurs at
- The diameter of Cornish boiler varies from
- The flow of steam is supersonic
- The diameter of tubes for natural circulation boiler as compared to controlled circulation boilers is
- In accelerated circulation type boiler
- The high pressure boiler is one, which produces steam at a pressure more than
- Which of the following statement is correct?
- Sulphur in coal results in
- A binary vapour plant consists of
- Steam turbines are used for
- The diameter of internal flue tubes in a Lancashire boiler compared to its shell is
- Which of the following statement is wrong?
- Vacuum for reciprocating steam engines compared to steam turbines is