2) A turbine is said to have an axial discharge when the steam leaves the blade tip at __________ to the direction of the blade motion.

Answer is:

90 Degree

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3) The flow through a nozzle is regarded as

Answer is:

isentropic flow

4) The ratio of total useful heat drop to the total isentropic heat drop, is called

Answer is:

internal efficiency

Explanation:

Due to reheat factor, the efficiency of the turbine as a whole is greater than the efficiency of individual stages. The efficiency of a complete turbine is known as internal efficiency or efficiency ratio of a turbine.. Internal efficiency is defined as the ratio of total useful heat drop to the total isentropic heat drop.

5) The pressure at which the steam leaves the nozzle is known as back pressure.

Answer is:

Correct

6) The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle)

Answer is:

remains constant

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