Q7. What is meant by ‘Power balancing’ with respect to reciprocating engines? Why is balance desirable and how is it obtained in the case of a large marine engine? What difficulties may be experienced in balancing an engine running at about 500 R.P.M. and how can these difficulties be overcome?
Q8. Write short notes on the following:
(a) Indicated Power (3)
(b) Specific fuel oil consumption (3)
(c) Brake power (3)
(d) Mechanical efficiency (3)
(e) Thermal efficiency (4)
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