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- Title True or False? A spark plug with two ground electrodes will provide two separate sparks when fired.. Description True or False? A spark plug with two ground electrodes will provide two separate sparks when fired. Why is high voltage needed to establish a spark across the gap of a spark plug? List the advantages of having one ignition coil per cylinder. Which of the following is a function of all ignition systems? a. To generate sufficient voltage to force a spark across the spark plug gap b. To time the arrival of the spark to coincide with the movement of the engine’s pistons c. To vary the spark arrival time based on varying operating conditions d. All of the aboveDefine ignition?11 Power stroke of a spark ignition engine is spark is ignited of the TDC for combustion.
- How spark advance mechanisms works in mechanical ignition system and what are its shortcomings?Consider the following statements relevant to the ignition system of SI engine: 1. Too small a dwell angle will lead to the burning of condenser and contact points. 2. Too small a dwell angle will result in misfiring. 3. Too large a dwell angle will result in burning of condenser and contact points. 4. Too large a dwell will result in mistiring. Which of these statements are correct?Why is the procedure for checking the resistance of awaste spark ignition coil different from the proceduresfor checking other types of ignition coils?
- 20. Technician A says that an ignition system must generate sufficient voltage to force a spark across the spark plug gap. Technician B says that the ignition system must time the arrival of the spark to coincide with the movement of the engine's pistons and vary it according to the operating conditions of the engine. Who is correct? O a. Technician A O b. Technician B c. Both A and B O d. Neither A nor BIn El systems using one ignition coil for every two cylinders: Technician A says that two plugs fire at the same time with the same voltage used by each spark plug. Technician B says that one plug fires in the normal direction (center to side electrode) and the other in reversed polarity (side to center). Who is correct? a. Technician A b. Technician B c. Both A and B d. Neither A nor BWhat is the typical procedure for checking the resistance of the primary winding in an ignition coil?
- Name the engine operating conditions thatmost affect ignition timing requirements.Derive the requirment of an Ignition System.Auto-ignition might occurs in spark ignition .4 engine at low engine speed because the flame velocity is slow and thus the burn time is long, this results in more time for .auto-ignition .True False O Spark ignition engine with high.5 compression ratio can be used with less possibility of auto-ignition by Increasing the inlet temperature Using low octane number fuel O Using high octane number fuel O Reducing the turbulence motion None of the above Cross-flow (in four stroke engine) from .6 cinlet to exhaust occurs the end of the exhaust stroke and the beginning of the induction stroke when O both valves are close the end of the exhaust stroke and the beginning of the induction stroke when O both valves are open At the end of the intake stroke and the beginning of the exhaust stroke when O both valves are open the end of the exhaust stroke and the beginning of the compression stroke O when both valves are open