Question: A two stroke Diesel engine has six cylinders in-line. The firing order is 145236. The cylinders are pitched 1.5 m apart except cylinders 3 and

A two stroke Diesel engine has six cylinders in-line. The firing order is 145236. The cylinders are pitched 1.5 m apart except cylinders 3 and 4 which are 1.8 m apart. The reciprocating and revolving mass per cylinder are 2.2 and 1.6 tons respectively. The crank length is 375 mm, the connecting rod length is 1.6 m and the speed is 120 rpm. Determine:- (a) minimum and maximum values of primary couple and (b) maximum values of secondary couple and angular position relative to crank 1.

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