1. Why rockets using liquid hydrogen have higher specific impulse compared to liquid hydrocarbon ? Ans: Liquid hydrogen has higher burning velocity.…
1.What is the maximum use of magnesium ? Ans: Magnesium is used to alloy with aluminium and as an additive…
1.When maximum discharge is obtained in nozzle ? Ans: At the critical pressure ratio. 2.Under what condition the work done…
During the optical excitation of carriers in a semiconductor, the minimum energy …
1.What does thermal diffusivity of metals signify. Ans: Thermal diffusivity is associated…
