A compound steam engine in which piston rods of high pressure and low pressure cylinders ' are attached to two different cranks set at 180 to each other, is called

A compound steam engine in which piston rods of high pressure and low

1.	A compound steam engine in which piston rods of high pressure and low pressure cylinders ' are attached to two different cranks set at 180 to each other, is called
A.	receiver type compound engine
B.	Tandem type compound engine
C.	Woolf type compound engine
D.	both (a) and (b)
Answer» D. both (a) and (b)