Relative percentage of heat absorbed through the heat transfer of (i) Furnace water wall (ii) Boiler tank (iii) Superheater (iv) Economiser (v) Air-heater of a typical boiler of 200 MW capacity would be of the order of
48 : 20 : 15 : 7 : 10
10 : 7 : 15 : 20 : 48
20 : 48 : 7 : 15 : 10
7 : 15 : 20 : 10 : 48
- The variation of steam pressure in the nozzle depends upon
- While steam expands in turbines, theoretically the entropy
- The ratio of heat equivalent to brake power to the energy supplied in steam is known as
- The effect of super-saturation is that the
- A nozzle is said to be a divergent nozzle
- The high pressure and low pressure cylinders in a Woolf type compound engine are regarded as having…
- Water and sediment in fuel oil can be removed by
- Latent heat of dry steam at atmospheric pressure is equal to
- The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known…
- In accelerated circulation type boiler
- The draught in locomotive boilers is produced by a
- Parson's reaction turbine is a __________ reaction turbine.
- The steam leaves the nozzle at a
- The efficiency of a boiler is defined as
- The density of supersaturated steam is about __________ that of the ordinary saturated vapour at the…
- A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water…
- In a reaction turbine when the degree of reaction is zero, then there is
- In a Woolf type compound engine, the high pressure and low pressure cylinders
- The three Ts for good combustion are
- The saturation temperature of steam with increase in pressure increases
- The critical pressure ratio is given by (where p₁ = Initial pressure of steam, and p₂…
- In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum…
- The dry saturated steam at very low pressure, (510 kg/cm²) when throttled to atmosphere will become
- The draught produced by a steam jet issuing from a nozzle placed in the chimney is called
- The diameter of tubes for natural circulation boiler as compared to controlled circulation boilers is
- The friction present between the steam and the nozzle surfaces reduces the heat drop by
- The proximate analysis of fuel lists
- If a steam sample is nearly in dry condition, then its dryness fraction can be most accurately determined…
- The expansion of steam, as it flows over the blades in reaction turbine, represents
- Which of the following gases has the highest calorific value?