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1. In 1767 John Smeaton measured the performance of a Newcomen engine with a 60.0-inch diameter piston and found that it produced 40.8 net horsepower with a duty of 5.88 million. Determine
(a) the thermal efficiency of this engine and
(b) its boiler heat input rate.
2. In 1767, John Smeaton measured the performance of a Newcomen engine with a 75.0-inch diameter piston and found that it produced 37.6 net horsepower with a duty of 4.59 million. Determine
(b) the boiler heat input rate.
A cable attached to a small tractor pulls a barge through a canal lock. Find what force moves the barge along the lock
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A person notices a mild shock if the current along a path through the thumb and index finger exceeds 72µA. Compare the maximum possible voltage without shock acrossthe thumb and index finger with a dry-skin resistance of3.0 multiplied by 105 and a we..
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