IC Engine Questions and Answers – Electronic Control System

This set of IC Engines Multiple Choice Questions & Answers (MCQs) focuses on “Electronic Control System”.

1. The ECU in the electronic control system, receives signals from the sensors and determines the opening time for the injectors land which also controls the injection volume.
a) True
b) False
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2. When the engine is cold, the starting of the engine is usually not ___________
a) difficult
b) easy
c) all of the mentioned
d) none of the mentioned
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3. When a cold engine is started, it requires a _____________ mixture.
a) leaner
b) richer
c) chemically equal
d) none of the mentioned
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4. The cold start injector is a type of solenoid valve to which power is supplied from a battery for the opening and closing of the valve inside, thus for injecting the fuel.
a) True
b) False
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5. The duration of injection time is controlled by a timing switch.
a) True
b) False
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6. The ignition switch is composed of a bi-metal element and an electric heater coil.
a) True
b) False
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7. As the temperature is low, the _____________ valve speeds up the engine idle speed to fast idling.
a) nozzle
b) throttle
c) air
d) none of the mentioned
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8. When the engine is cold, the _____________ plate will be in closed position.
a) nozzle
b) throttle
c) air
d) none of the mentioned
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9. When the engine reaches the normal operating temperature, the valve closes completely and the air flow is cut-off from the _____________ valve.
a) nozzle
b) throttle
c) air
d) none of the mentioned
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10. A thermo wax valve operates depending on the temperature of the engine coolant.
a) True
b) False
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Sanfoundry Global Education & Learning Series – IC Engine.

To practice all areas of IC Engine, here is complete set of 1000+ Multiple Choice Questions and Answers.

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