The effect of bleeding is that
It increases the thermodynamic efficiency of the turbine
Boiler is supplied with hot water
It decreases the power developed by the turbine
All of the above
- Thermal equilibrium means that the flow of steam is
- When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle…
- The draught produced by a steam jet issuing from a nozzle placed in the chimney is called
- The critical pressure ratio (p₂/p₁) is given by
- The water tubes in a simple vertical boiler are
- Which is not correct statement about effect of sulphur in fuel?
- The maximum heat loss is a boiler occurs due to
- In a nozzle, whole frictional loss is assumed to occur between
- The balanced draft furnace is one using
- The ratio of the actual vacuum to the ideal vacuum in a condenser is called
- In recuperative air preheaters, the heat is transferred
- The amount of water evaporated from feed water at _________ into dry and saturated steam at 100°…
- The efficiency of the plant __________ with the mechanical draught.
- The reheat factor is the ratio of the
- The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised…
- Expansion ratio is the ratio of
- Water boils when its vapour pressure
- Which of the following varieties of coals is mostly used in steam boilers?
- 1 kg.m is equal to
- The efficiency of a boiler is defined as
- Hard coke is produced by carburisation of coal at
- Fire tube boilers are limited to a maximum design working pressure of
- All steam engines work on
- Cochran boiler is a
- The latent heat of steam with increase of pressure
- The effect of friction in the nozzle __________ dryness fraction of steam.
- In a Parson's turbine stage, blade velocity is 320 m/s at the mean radius and rotor blade exit angle…
- The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency,…
- The action of steam in a steam turbine is
- An economiser is installed in a boiler primarily to