Explain why? i. Nozzles for liquids are always convergent. ii. Convergent nozzles can't be used for supersonic flows. iii. Shockwave appears in convergent- divergent nozzles. iv. Mass flow rate is more in case of supersaturated flows in nozzles. v. Discharge co-efficient is assumed

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Explain why?
i. Nozzles for liquids are always
convergent.
ii. Convergent nozzles can't be used for
supersonic flows.
iii. Shockwave appears in convergent-
divergent nozzles.
iv. Mass flow rate is more in case of
supersaturated flows in nozzles.
v. Discharge co-efficient is assumed
unity in C-D nozzles.
vi. Isothermal expansion process is
also known as isothermal heating.
vii. Heat is a transitory energy.
viii. Isentropic index (gamma) is a'
greater than unity.
w
Transcribed Image Text:Explain why? i. Nozzles for liquids are always convergent. ii. Convergent nozzles can't be used for supersonic flows. iii. Shockwave appears in convergent- divergent nozzles. iv. Mass flow rate is more in case of supersaturated flows in nozzles. v. Discharge co-efficient is assumed unity in C-D nozzles. vi. Isothermal expansion process is also known as isothermal heating. vii. Heat is a transitory energy. viii. Isentropic index (gamma) is a' greater than unity. w
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