Pick out the correct statement
Jet engine can work, where there is no atmosphere
Rocket engines cannot work, where there is no atmosphere
Rocket engines carry oxygen required for the combustion in the form of oxidiser
Jet engines also carry oxidiser
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- Isotropic materials have the same __________ in all directions.
- The most important requirement for aluminium industry is the availability of cheap
- While the bin cards are used in the effective stores management, the queuing theory is associated with…
- For efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be
- The specific gravity of coal depends mainly on its __________ content.
- __________ test can be termed as the semidestructive test.
- Boiling point of water gets lowered at high altitudes (e.g., hills), because
- Colour comparator is used to measure the
- Which of the following terminology is used for the temperature at which new grains are formed in a metal?
- The amount of different substances produced, when the same quantity of electricity is passed through…
- Magnetic permeability of iron is increased by its
- Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the
- Oxide layer formed on the non-ferrous metal surface after its annealing is
- Percentage of argon (by volume) in dry atmospheric air is about
- For separating small pieces of metal from engine oil of a car, the best separating technique is the
- In a counter flow heat exchanger, hot fluid enters at 170°C & leaves at 150°C, while the cold…
- Energy of the sun arises mainly from __________ reactions.
- For infinite parallel planes having emissivities ε1 & ε2, the interchange factor for radiation…
- Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.
- The most economical channel section for the fluid flow is the one for which the discharge is maximum…
- Cast iron contains __________ percent carbon.
- Window panes of aeroplanes are normally made of
- Which of the following represents the correct time-temperature curve when a block of metal is heated…
- When an isolated thermodynamic system executes a process,
- Which of the following are considered applications of ultrasonic testing?
- The heat of neutralisation remains constant, when there is a reaction between dilute solutions of strong
- Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect…
- Which of the following does not have a sharp melting point?
- The noble metals
- Pick out the correct statement