Steam Boilers, Engines, Nozzles and Turbines A device used to increase the temperature of saturated steam without raising its pressure, is called Blow off cock Fusible plug Stop valve Superheater Blow off cock Fusible plug Stop valve Superheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a boiler, the heat is lost In moisture present in the fuel To steam formed by combustion of hydrogen per kg of fuel To dry flue gases All of these In moisture present in the fuel To steam formed by combustion of hydrogen per kg of fuel To dry flue gases All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a uniflow engine Steam enters at the centre and exhausts at the other end Steam enters at one end and exhausts at the centre Steam enters and exhausts through the same port None of these Steam enters at the centre and exhausts at the other end Steam enters at one end and exhausts at the centre Steam enters and exhausts through the same port None of these 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 = 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 Vb = V² cosα ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines On Millier chart, the constant pressure lines Are equally spaced throughout Diverge from right to left First rise up and then fall Diverge from left to right Are equally spaced throughout Diverge from right to left First rise up and then fall Diverge from left to right ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Rateau turbine is Simple reaction turbine Pressure-velocity compounded turbine Velocity compounded turbine Pressure compounded turbine Simple reaction turbine Pressure-velocity compounded turbine Velocity compounded turbine Pressure compounded turbine ANSWER DOWNLOAD EXAMIANS APP