Related Questions

In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have
A Low density
B Low temperature
C Long ignition delay
D All of these
If the air-fuel mixture ignites before the spark takes place at spark plug, the condition is called
A Detonation
B Ignition
C Pre-ignition
D Rumble
The air gap between the central electrode and ground (or side) electrode of a spark plug is around
A 0.2 mm
B 0.5 mm
C 1 mm
D 1.5 mm
If the spark plug deposit indicates black coating of soot, it indicates that the engine has been generally operating on
A Too lean mixture
B Stoichiometric mixture
C Most economical mixture
D Too rich mixture
Spark plug makes use of which of the following materials for insulation ?
A Porcelain
B Slate
C Asbestos
D Glass
In a petrol engine, the high voltage for spark plug is in the order of
A 1000 volts
B 2000 volts
C 11 kilovolts
D 22 kilovolts
Spark plug is provided in a/an
A Engine having carburettor
B Diesel engine
C Compression ignition engine
D Both (B) & (C)
The advancing of spark timing in spark ignition engines will _________ knocking tendency.
A Increase
B Reduce
C Not effect
D None of these
The voltage required to produce a spark across the gap, between the sparking points is
A 2,000 to 4,000 volts
B 4,000 to 6,000 volts
C 6,000 to 10,000 volts
D 10,000 to 12,000 volts
Which word shall be best for filling in the gap of * gap of the following sentence? I am looking forward you.
A to see you
B to seeing you
C seeing you
D have seen you

Next steps