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Internal Combustion Engines

Internal Combustion Engines
Combustion in compression ignition engines is

Both (A) and (B)
Laminar
Heterogeneous
Homogeneous

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Internal Combustion Engines
Air fuel ratio at which a petrol engine cannot work is

0.62569444444444
0.41736111111111
20 : 1 and less
0.33402777777778

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Internal Combustion Engines
The voltage required to produce a spark across the gap, between the sparking points is

10,000 to 12,000 volts
4000 to 6000 volts
2000 to 4000 volts
6000 to 10,000 volts

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Internal Combustion Engines
A spark plug gap is kept from

0.3 to 0.7 mm
0.6 to 1.0 mm
0.2 to 0.8 mm
0.4 to 0.9 mm

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Internal Combustion Engines
The pressure at the end of compression, in diesel engines, is approximately

20 bar
35 bar
10 bar
25 bar

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Internal Combustion Engines
Alpha-methyl-naphthalene (C11H10) has a cetane number of

0
120
50
100

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MORE MCQ ON Internal Combustion Engines

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