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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

(a) the thermal efficiency of this engine and

(b) the boiler heat input rate.

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Category:- Physics
Reference No.:- M92102235

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