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Farm Machinery Practice Test: Ignition and Power Transmission
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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. In engine, the choke controls ___________
2. 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?
3. In which rivet joint the plates are kept in the same plane?
4. The fuel pump used in carburettor engine is ___________
5. Diesel fuel are rated by ____________
6. Electrolyte used in storage battery consists of _________
7. The common fuels for I.C. engines are _____________
8. What should be the minimum specific gravity after which the electrolyte should be charged?
9. Specific gravity of LDO is ____________
10. What is the range of a condenser in an I.C. engine?
11. Air ignition pumps are mostly used in ___________
12. Air cell chamber is the ___________
13. Two pulleys are connected by a belt. The sum of the diameter of two pulleys is 90 cm and while the one makes 50 rpm, the other makes 20 revolutions. What will be the diameter of the pulleys?
14. A V-belt operates at 23.56 m/s peripheral speed. The mass of the belt per unit length is 0.9 kg/m. The value of centrifugal tension is _______
15. Turbo charger is a ___________
16. Quality of the fuel is judged by its ____________
17. In carburettor of large tractor engines the type of jet used is ___________
18. What power is transmitted by belt and pulley arrangement, if tension on tight side of belt is 60 kg and tension on slack side is 25kg. The diameter and speed of driving pulley is 0.95 m and 250 rpm respectively.
19. 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.
20. Maximum economy of engine, is obtained at the air fuel ratio of _________
21. Two pulleys are connected by a belt. The sum of the diameters of the pulleys is 92.6 cm and while one makes 50 rev/min the other make 200 rev/min. What will be the diameter of the pulleys?
22. Detonation refers to ____________
23. Which device is used to generate an electric current for producing spark in I.C. engine?
24. Horse power of engines varies with ___________
25. The formula of API degree is _______