Physics · Theory of Machines
The turning moment diagram for a single-cylinder double-acting steam engine consists of positive and negative loops above and below the mean torque line. During a positive loop, the relationship between the speed of the flywheel at the beginning (ω1) and at the end (ω2) of the loop is described by which of the following?
- 1The ratio ω1/ω2 is equal to zero
- 2The ratio ω1/ω2 is equal to 1.5
- 3The ratio ω1/ω2 is greater than 2
- 4The ratio ω1/ω2 is less than unity✓
Correct answer
The ratio ω1/ω2 is less than unity
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