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What is the minimum cranking speed for a C.I engine with glow-plugs?(a) 150-180rpm(b) 60 to 140rpm(c) 60-90rpm(d) 100-200rpmI had been asked this question in an interview.My question is taken from Starting Motor Switches and Control Circuit in division Starting System of Automotive Engine Design |
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Answer» RIGHT option is (B) 60 to 140rpm For explanation I would say: The ROTARY engine it is 150-180rpm and for the C.I engine with GLOW PLUGS is 60-140rpm.Glow plugs are the engine heaters that are used to increase the engine temperature. |
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