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Farm Machinery Practice Test: Ignition and Power Transmission
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Avg score: 61% Most missed: “Octane number is associated to ____________”
Ignition and Power Transmission topics include: IC engine ignition system, power transmission system, battery ignition system working principle, fuel supply system and its components, fuel quality, volatility, ignition quality and detonation. Here are some basics about ignition and power transmission: Ignition: The ignition system produces high voltage, which is applied between the electrodes. This breaks down the insulation between the electrodes, which causes a current to flow. This creates an electrical spark, which activates fuel particles between the electrodes. The spark also triggers... Show more
Farm Machinery Practice Test: Ignition and Power Transmission
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25 Questions

1. What should be the minimum specific gravity after which the electrolyte should be charged?
2. Turbo charger is a ___________
3. In engine, the choke controls ___________
4. What is the length of cross belt to connect two pulleys 4 m apart. the diameter of driving and driven pulley is 1.25 m and 0.75m respectively?
5. Octane number is associated to ____________
6. Diesel fuel are rated by ____________
7. How much spark per minute is required by an eight-cylinder engine running at 4000 rpm?
8. The primary winding of ignition coil is made of ________
9. The function of sediment bowl in fuel supply system is ___________
10. The lowest speed of engine at which the engine runs smoothly is called ________
11. In a belt drive the mass of the belt is 1 kg/m and its speed is 6m/s. The drive transmits 9.6 KW of power. Determine the strength of the belt when the coefficient of friction is 0.25 and wrap angle is 220°.
12. In IC engine, the throttle controls ___________
13. What should be the gap of spark plug?
14. If a driven pulley is made to rotate at 350 rpm by a driving pulley of 0.3 m diameter, running at 1400 rpm, what will be the length of open belt drive when the pulleys are 2 m apart?
15. Detonation refers to ____________
16. The fuel pump used in carburettor engine is ___________
17. Which device is used for interrupting the low voltage primary current in the battery ignition?
18. In spark ignited engines, the fuel tank is placed ___________
19. Which of the following has highest vaporizing temperature?
20. In engine cylinder, the petrol is vaporised ____________
21. Determine the length of cross-belt of connecting two pulleys 4 m apart. The diameters of driving and driven pulleys are 1.25 m and 0.75 m respectively.
22. In which rivet joint the plates are kept in the same plane?
23. In spark ignited engine the atomization of fuel takes place in ___________
24. What is the name of the chemical solution used in a battery for chemical reactions?
25. Two pulleys are connected by a belt. The sum of the diameter of two pulleys is 90 cm and while one makes 50 rpm, the other makes 20 rpm. What will be the diameters of the other pulley?