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
Receiver type compound engine
Both (A) and (B)
Woolf type compound engine

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Steam Boilers, Engines, Nozzles and Turbines
In an ideal impulse turbine, the

Relative velocity at the inlet of the moving blade is equal to that at the outlet
Whirl velocity at inlet is equal to that at the outlet
Absolute velocity at the inlet of moving blade is equal to that at the outlet
Axial velocity at inlet is equal to that at the outlet

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