Fire tube boilers are
Internally fired
Externally fired
Internally as well as externally fired
None of these
- Which of the following is required for a steam condensing plant?
- At very low temperature, the melting and boiling temperatures become equal. This temperature is
- Primary air is the air used to
- In an impulse turbine, steam expands
- The maximum steam pressure in a Locomotive boiler is limited to
- The critical pressure gives the velocity of steam at the throat
- The safety valve on boiler drum compared to safety valve on superheater is set at
- Desecration of feed water is carried out because it reduces
- O₂ content in atmospheric air on weight basis is
- The cylinder condensation or missing quantity may be reduced by
- The size of a boiler drum in pulverised fuel fired boiler, as its size and capacity, (steam pressure…
- In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of
- Boiler H.P. is defined as the
- A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes…
- The power of a boiler may be defined as
- The effect of friction on the flow of steam through a nozzle is to
- The expansion of steam in a nozzle follows
- Which of the following statement is correct?
- The three Ts for good combustion are
- The Parsons' reaction turbine has
- Reheating of steam in a turbine
- The natural draught is produced by
- A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the blade speed ratio…
- When the cross-section of a nozzle increases continuously from entrance to exit, it is called a
- The velocity of whirl at outlet for an axial discharge turbine is
- Proximate analysis of fuel is determination of percentage of
- Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler?
- Boiler stays are used to
- Which type of boiler can meet rapid changes of load?
- Which of the following is a water tube boiler?