Steam Boilers, Engines, Nozzles and Turbines A condenser where circulating water flows through tubes which are surrounded by steam, in known as Jet condenser Surface condenser Evaporative condenser Barometric condenser Jet condenser Surface condenser Evaporative condenser Barometric condenser ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of an impulse turbine is maximum when (where Vb = Blade speed, V = Absolute velocity of steam entering the blade, and α = Nozzle angle) Vb = V² cosα Vb = 0.5 V² cosα Vb = V cosα Vb = 0.5 V cosα Vb = V² cosα Vb = 0.5 V² cosα Vb = V cosα Vb = 0.5 V cosα ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The safety valve on boiler drum compared to safety valve on superheater is set at Lower/higher depending on steam flow Higher value Lower value Same value Lower/higher depending on steam flow Higher value Lower value Same value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of Non availability of ideal substance It is not possible to achieve 0°K temperature Frictional losses Leakage Non availability of ideal substance It is not possible to achieve 0°K temperature Frictional losses Leakage ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The process of draining steam from the turbine, at certain points during its expansion and using this steam for heating the feed water in feed water heaters and then supplying it to the boiler is known as Regenerative heating None of these Reheating of steam Bleeding Regenerative heating None of these Reheating of steam Bleeding ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The discharge is __________ at critical pressure. None of these Minimum Maximum Zero None of these Minimum Maximum Zero ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS