Steam Boilers, Engines, Nozzles and Turbines By compounding the expansion of steam in two or more cylinders, the ratio of expansion Decreases Does not change Increases None of these Decreases Does not change Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high steam and low water safety valve is used to blow off steam when the None of these Steam pressure exceeds the working pressure Water level in the boiler becomes too low Both (A) and (B) None of these Steam pressure exceeds the working pressure Water level in the boiler becomes too low Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a cross-head is to guide motion of the _________ and to prevent it from bending. Valve rod Eccentric rod Piston rod Connecting rod Valve rod Eccentric rod Piston rod Connecting rod ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater is installed Between the economiser and chimney Before the economiser Before the superheater None of these Between the economiser and chimney Before the economiser Before the superheater None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For maximum discharge through a chimney, the condition is that height of hot gas column producing the draught should be Four times the height of chimney One-half the height of chimney Equal to the height of chimney Two times the height of chimney Four times the height of chimney One-half the height of chimney Equal to the height of chimney Two times the height of chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Clearance ratio is the ratio of Clearance volume to the volume at cut-off Volume at cut-off to the swept volume Clearance volume to the swept volume Swept volume to the clearance volume Clearance volume to the volume at cut-off Volume at cut-off to the swept volume Clearance volume to the swept volume Swept volume to the clearance volume ANSWER DOWNLOAD EXAMIANS APP