| 1. | The octane rating of petrol commerically available is ? | |
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85-95
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95-100
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100-110
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110-125
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Report Question| 2. | The firing order for an in-line four cylinder I.C. engine is ? | |
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1-2-3-4
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1-3-4-2
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1-2-4-3
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1-3-2-4
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