1. An IC engine is a machine that converts:, Heat energy into electrical energy, Chemical energy of fuel into mechanical energy, Mechanical energy into heat energy, Electrical energy into heat energy, In a four-stroke engine, one power stroke occurs in:, A. One crankshaft revolution, B. Two crankshaft revolutions, C. Three crankshaft revolutions, D. Four crankshaft revolutions, Which stroke is responsible for producing useful power?, A. Suction stroke, B. Compression stroke, C. Power (Expansion) stroke, D. Exhaust stroke, Which type of engine uses a spark plug?, A. Diesel engine, B. Compression Ignition (CI) engine, C. Spark Ignition (SI) engine, D. Gas turbine, 5. Diesel engines operate on the:, A. Otto cycle, B. Diesel cycle, C. Rankine cycle, D. Brayton cycle

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