» Unlabelled » The minimum cranking speed in case of petrol engine is about ______.

Thursday, 4 July 2013

The minimum cranking speed in case of petrol engine is about ______.

(a)    half the operating speed
(b)    one-fourth of operating speed
(c)     250-300 rpm   
(d)     60-80 rpm    
(e)     10-20 rpm

Ans: d

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