Steam Boilers, Engines, Nozzles and Turbines A nozzle is said to be a divergent nozzle When the cross-section of the nozzle increases continuously from entrance to exit When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit None of these When the cross-section of the nozzle decreases continuously from entrance to exit When the cross-section of the nozzle increases continuously from entrance to exit When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit None of these When the cross-section of the nozzle decreases continuously from entrance to exit ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of brake power to the indicated power is known as Mechanical efficiency Indicated thermal efficiency Overall efficiency Brake thermal efficiency Mechanical efficiency Indicated thermal efficiency Overall efficiency Brake thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The stage efficiency (ηS) is given by (where ηB = Blading efficiency, and ηN = Nozzle efficiency) ηS = ηB / ηN None of the listed here ηS = ηN / ηB ηS = ηB × ηN ηS = ηB / ηN None of the listed here ηS = ηN / ηB ηS = ηB × ηN ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a nozzle, whole frictional loss is assumed to occur between Inlet and outlet Inlet and throat Throat and exit All of these Inlet and outlet Inlet and throat Throat and exit All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the isentropic heat drop to the heat supplied, is called Reheat factor Rankine efficiency Stage efficiency Internal efficiency Reheat factor Rankine efficiency Stage efficiency Internal efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A nozzle is said to be a convergent nozzle None of these When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit When the cross-section of the nozzle decreases continuously from entrance to exit When the cross-section of the nozzle increases continuously from entrance to exit None of these When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit When the cross-section of the nozzle decreases continuously from entrance to exit When the cross-section of the nozzle increases continuously from entrance to exit ANSWER DOWNLOAD EXAMIANS APP
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