Q.

In a single acting steam engine

• AThe steam is admitted on one side of the piston and one working stroke is produced during each revolution of the crankshaft
• BThe steam is admitted, in turn, on both sides of the piston and one working stroke is produced during each revolution of the crankshaft
• CThe steam is admitted, in turn, on both sides of the piston and one working stroke is produced during each revolution of the crankshaft
• DThe steam is admitted, in turn, on both sides of the piston and two working strokes are produced during each revolution of the crankshaft