71. The most commonly used carburettor is A. Updraft type B. Horizontal type C. Downdraft type D. None of these Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
72. What is correct in the following? A. Fuel - Air = Power B. Fuel + Air = Power C. Fuel × Air = Power D. $${{{\rm{Fuel}}} \over {{\rm{Air}}}}{\rm{ = Power}}$$ Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
73. Vocational petrol is a mixture of A. Petrol or oil B. Staterun gasoline or diesel C. Staterun gasoline or cranked gasoline D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
74. The lean air-fuel mixture is required for A. Starting B. Idling C. Cruising D. Acceleration Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
75. What is the change of state of the fuel from liquid to vapour? A. Vaporization B. Atomization C. Both A and B D. None of these Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board