73) The process, which causes the air to enter the impeller blades of a centrifugal compressor at __________ velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl.
Answer is:
reduced
Related Compressors Gas dynamics and Gas Turbines MCQ with Answers
Answer is:
Right
Explanation:
The propulsion unit which obtains the oxygen for combustion purposes, from the surrounding atmosphere, is known as jet propulsion.
Jet propulsion is used for the propulsion of high speed aircraft, capable of operating at high speed. Jet propulsion may also be used in different types of missiles. In jet propulsion power unit, the inlet duct of diverging shape is used for converting kinetic energy of air into pressure energy.
Answer is:
more than
Answer is:
Incorrect
Answer is: