Which of the following gases has the highest calorific value?

A. Producer gas

B. Coal gas

C. Water gas

D. Blast furnace gas

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Parson's turbine is a
  2. If a steam sample is nearly in dry condition, then its dryness fraction can be most accurately determined…
  3. Which of the following statement is correct?
  4. A regenerative steam cycle renders
  5. Mechanical equivalent of heat for 1 kcal or Joule's equivalent is equal to
  6. When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle…
  7. An air preheater
  8. Which of the following statement is correct?
  9. In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder…
  10. One kilowatt-hour energy is equivalent to
  11. The density of supersaturated steam is about __________ that of the ordinary saturated vapour at the…
  12. The stage efficiency (ηS) is given by (where ηB = Blading efficiency, and ηN = Nozzle…
  13. The proximate analysis of fuel lists
  14. The function of a safety valve is
  15. The velocity of whirl at outlet for an axial discharge turbine is
  16. The velocity of steam at throat of the nozzle is __________ the velocity of sound.
  17. The friction present between the steam and the nozzle surfaces reduces the heat drop by
  18. The equivalent evaporation of a boiler is a measure to compare
  19. Reheating of steam under ideal conditions takes place at constant
  20. In cross compounding, the cylinders are arranged
  21. Which of the following is a water tube boiler?
  22. Which of the following statement is correct for a compound steam engine?
  23. Boiler stays are used to
  24. Presence of moisture in fuel oil would
  25. The fire tubes in a Locomotive boiler has _________ diameter.
  26. Throttle governing of steam engines is a method of controlling the engine output by varying
  27. In case of non-condensing steam engines, the pressure of steam in the cylinder during exhaust stroke…
  28. The forced circulation of water does not take place in
  29. Pick up the wrong statement about critical condition of steam
  30. In a reaction turbine when the degree of reaction is zero, then there is