Pick out the correct statement

A. Jet engine can work, where there is no atmosphere

B. Rocket engines cannot work, where there is no atmosphere

C. Rocket engines carry oxygen required for the combustion in the form of oxidiser

D. Jet engines also carry oxidiser

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

You can do it
  1. Preheating before welding is done to
  2. The dew point temperature lines on psychrometric charts are straight inclined sloping downwards to the…
  3. Work study deals with the __________ study.
  4. Most of the phosphorous present in the blast furnace burden enters into
  5. Which of the following approaches the ideal gas behaviour most closely?
  6. The life of a ball bearing is inversely proportional to
  7. The 'transition temperature' for ductile to brittle behaviour of steel increases with increase in the…
  8. Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.
  9. Other parameters remaining same, the recrystallisation temperature of an alloy is lowered, when
  10. Maximum permissible air velocity in pipelines is about __________ metre/second.
  11. In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________…
  12. With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and __________…
  13. Ganister contains maximum percentage of
  14. Which of the following material handling equipments is not suitable for moving materials in varying…
  15. Liquor poisoning generally occurs due to the presence of __________ in it.
  16. Secondary hardening in steels arises out of the
  17. __________ stress cannot be sustained by a fluid in equilibrium.
  18. With increase in compression ratio, the volumetric efficiency of air compressor
  19. Hot extrusion process is not used for making
  20. The minimum carbon content in steel should be __________ percent for it to respond to a hardening treatment.
  21. Good design of the casing of a centrifugal pump aims at minimising the
  22. A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/sec2 is
  23. Stainless steel is welded using
  24. __________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C.
  25. Pick out the wrong statement.
  26. Pick out the wrong statement about coating/electroplating of metals.
  27. Annealing of cast iron
  28. During sensible heating of humid air
  29. Energy of the sun arises mainly from __________ reactions.
  30. Which of the following is the largest quantum of pressure?