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Size of boiler tubes is specified by

A. Mean diameter and thickness

B. Inside diameter and thickness

C. Outside diameter and thickness

D. Outside diameter and inside diameter

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  1. Calorific value of coal is of the order of
  2. On Millier chart, the constant pressure lines
  3. The safety valve on boiler drum compared to safety valve on superheater is set at
  4. If partial pressure of air and steam be pa and ps respectively in a condenser, then according to Dalton's…
  5. An air preheater
  6. Presence of moisture in fuel oil would
  7. The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised…
  8. The object of producing draught in a boiler is
  9. Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler
  10. The cylindrical shell of a Lancashire boiler has diameter from
  11. Feed water conditioning in thermal power plants in done to
  12. In case of non-condensing steam engines, the pressure of steam in the cylinder during exhaust stroke…
  13. It is required to produce large amount of steam at low pressure. Which boiler should be used?
  14. By compounding the expansion of steam in two or more cylinders, the length of stroke
  15. The aim of a compound steam engine is
  16. The biggest size of thermal power unit operating in India is
  17. In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of
  18. A single acting steam engine produces ________ power than that of double acting steam engine.
  19. Which of the following statement is correct?
  20. The heat balance sheet for the boiler shows the
  21. The water tubes in a simple vertical boiler are
  22. Steam turbines are used for
  23. The amount of water evaporated in kg per kg of fuel burnt is called
  24. Carbonisation of coal is the process of
  25. The flow of steam is supersonic
  26. Rateau turbine is
  27. The indicated thermal efficiency is defined as the
  28. The specific volume of steam with increase in pressure decreases
  29. The purpose of governing in steam turbines is to
  30. The critical pressure ratio for gases is