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Internal Combustion Engine: Engine Testing and performance
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Internal Combustion Engine: Engine Testing and performance
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25 Questions

1. Why lead compounds added in petrol?
2. Detonation in petrol engines can be suppressed or reduced by the addition of small quantity of
3. What can be reduced by using exhaust gas recirculation (EGR) effectively?
4. Which of the following causes the photochemical smog?
5. In an electronic fuel injection, variation of air-fuel ratio is almost negligible even when the vehicle takes different positions like turning, moving on gradients, uneven roads, etc.
6. _____________ is the difference between indicated and brake power of an engine.
7. Formation of ice on the _____________ plate is eliminated in electronic fuel injection.
8. A thermo wax valve operates depending on the temperature of the engine coolant.
9. In an electronic fuel injection, the maintenance cost is?
10. Olefins are generally represented by
11. What is the major difference between BS-IV and BS-VI norms?
12. When the engine is cold, the _____________ plate will be in closed position.
13. Hydrocarbons are decomposed into smaller hydrocarbons by
14. Paraffins are generally represented by
15. ____________ is used to check the state of charge of a battery.
16. For what purpose is the Rhodium used?
17. 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.
18. Automobile gears are generally made of ______________
19. Hunting occurs due to which of the following?
20. When the engine is cold, the starting of the engine is usually not ___________
21. When the engine reaches the normal operating temperature, the valve closes completely and the air flow is cut-off from the _____________ valve.
22. Why are lead compounds added in petrol?
23. ____________ is the basic requirement of a good combustion chamber.
24. The ignition switch is composed of a bi-metal element and an electric heater coil.
25. For which of the following engines a prony brake is used to measure brake power?

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