The high pressure and low pressure cylinders in a Tandem type compound engine are regarded as having cranks

The high pressure and low pressure cylinders in a Tandem type compound

1.	The high pressure and low pressure cylinders in a Tandem type compound engine are regarded as having cranks
A.	0° to each other
B.	180° to each other
C.	none of these
D.	90° to each other
Answer» B. 180° to each other