Steam Boilers, Engines, Nozzles and Turbines A compound steam engine in which piston rods of high pressure and low pressure cylinders are attached to two different cranks set at 90° to each other, is called Tandem type compound engine Woolf type compound engine Both (A) and (B) Receiver type compound engine Tandem type compound engine Woolf type compound engine Both (A) and (B) Receiver type compound engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a Parson's turbine stage, blade velocity is 320 m/s at the mean radius and rotor blade exit angle is 30°. For minimum kinetic energy of the steam leaving the stage, the steam velocity at the exit of the rotor will be 320/3 m/s 640/3 m/s 640 m/s 160/3 m/s 320/3 m/s 640/3 m/s 640 m/s 160/3 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam turbines may be classified according to Number of stages All of these Direction of steam flow Mode of steam action Number of stages All of these Direction of steam flow Mode of steam action ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater is installed Before the superheater Before the economiser None of these Between the economiser and chimney Before the superheater Before the economiser None of these Between the economiser and chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a piston in a steam engine is None of these To transfer motion from the piston to the cross-head To guide motion of the piston rod and to prevent it from bending To convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment None of these To transfer motion from the piston to the cross-head To guide motion of the piston rod and to prevent it from bending To convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for gases is 0.577 0.582 0.528 0.546 0.577 0.582 0.528 0.546 ANSWER DOWNLOAD EXAMIANS APP
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