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

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Steam Boilers, Engines, Nozzles and Turbines
In fire tube boilers

None of these
The flames and hot gases pass through the tubes which are surrounded by water
Water passes through the tubes which are surrounded by flames and hot gases
Forced circulation takes place

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