Steam Boilers, Engines, Nozzles and Turbines Pick up the correct statement as regards Cornish boiler and Lancashire boiler Lancashire has two fire tubes and Cornish has one Cornish is water tube and Lancashire is fire tube Cornish is fire tube and Lancashire is water tube Cornish has two fire tubes and Lancashire has one Lancashire has two fire tubes and Cornish has one Cornish is water tube and Lancashire is fire tube Cornish is fire tube and Lancashire is water tube Cornish has two fire tubes and Lancashire has one ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The Parsons' reaction turbine has Fixed and moving blades of different shape Only fixed blades Only moving blades Identical fixed and moving blades Fixed and moving blades of different shape Only fixed blades Only moving blades Identical fixed and moving blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse reaction turbine, the pressure drops gradually and continuously over Moving blades Fixed blades Both fixed and moving blades None of these Moving blades Fixed blades Both fixed and moving blades None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The change in internal energy in steam engines equals to Change in enthalpy Work done during compression Work done during adiabatic expansion Work done during the Rankine cycle Change in enthalpy Work done during compression Work done during adiabatic expansion Work done during the Rankine cycle 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 = 0.5 V cosα Vb = V cosα Vb = V² cosα Vb = 0.5 V² cosα Vb = 0.5 V cosα Vb = V cosα ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The purpose of governing in steam turbines is to Completely balance against end thrust Reduce the effective heat drop Maintain the speed of the turbine Reheat the steam and improve its quality Completely balance against end thrust Reduce the effective heat drop Maintain the speed of the turbine Reheat the steam and improve its quality ANSWER DOWNLOAD EXAMIANS APP
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