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51
Which of the following has highest vaporizing temperature?
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Answer: Option A
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52
As air is poor conductor of electricity an air gap in an electric circuit acts as a high . . . . . . . .
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Answer: Option B
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53
In a 6-cylinder, 4 stroke engine running at 5000 rpm, the number of sparks required per minute will be
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Answer: Option B
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54
Which of the following is termed as the maximum permissible number of degrees per second, change during acceleration to keep up with the timing requirement?
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Answer: Option A
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55
Which device is used for interrupting the low voltage primary current in the battery ignition?
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Answer: Option D
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56
The . . . . . . . . provides a reservoir for the current induced in the primary circuit at the time of break.
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Answer: Option C
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57
A blast resistor is provided in parallel with the primary winding to regulate the primary current.
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Answer: Option B
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58
The drive shaft in distributor is rotated at . . . . . . . . the engine speed in four stroke engine
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Answer: Option A
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59
In magneto ignition system, the current is supplied to the primary winding by
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Answer: Option C
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60
For maximum power and economy a slow burning fuel needs a higher spark advance than fast burning fuel.
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Answer: Option A
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