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The forced circulation of water does not take place in

A. LaMont boiler

B. Lancashire boiler

C. Velox boiler

D. Benson boiler

Correct Answer : B.


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  1. Cut-off governing of steam engines is a method of controlling the engine output by varying
  2. The main object of a boiler trial is
  3. The effect of friction on the flow of steam through a nozzle is to
  4. Which of the following is a fire tube boiler?
  5. The value of the reheat factor varies from
  6. On Millier chart, the constant pressure lines
  7. Which of the following statement is correct?
  8. The pressure of steam in the engine cylinder at the beginning of the stroke is ________ the boiler pressure.
  9. The compounding of turbines is done in order to
  10. Stoichiometric quantity of air is the
  11. In a Woolf type compound engine, the high pressure and low pressure cylinders
  12. The relative efficiency is defined as the
  13. The actual vacuum in a condenser is equal to
  14. Equivalent evaporation of water is the evaporation for a feed water supply at 100°C
  15. The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency,…
  16. For burning 1 kg of carbon to CO as per chemically correct combustion, amount of air required is
  17. The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades…
  18. The high pressure and low pressure cylinders in a Tandem type compound engine are regarded as having…
  19. The nozzle efficiency is the ratio of
  20. When the cross-section of a nozzle __________ continuously from entrance to exit, it is called a convergent…
  21. Tertiary air is the air used to
  22. De-Laval turbine is a
  23. A stage, in reaction turbine, is represented by
  24. In case of condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is…
  25. A binary vapour plant consists of
  26. The diameter of Cornish boiler is of the order of
  27. The fittings mounted on the boiler for its proper and safe functioning is a
  28. When steam after doing work in the cylinder passes into a condenser, the engine is said to be a
  29. Lancashire boiler is used where working pressure and power required are
  30. The ratio of heat utilised to produce steam and the heat liberated in furnace is known as