Exam (elaborations)
IGNITION SYSTEM EXAM QUESTIONS WITH ACTUAL ANSWERS
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QUESTIONS AND ANSWERS
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IGNITION SYSTEM EXAMQUESTIONS WITH ACTUAL
ANSWERS
The ________ connect the coil to the distributor cap center terminal and the
distributor cap side terminals to the terminals on the top of the spark plugs.
High tension leads
A ________ shows all the cylinders firing in sequence.
Parade pa?ern
Finding breakdowns in coil insulaAon requires the coil to be acAvated and the
available voltage to be measured on a(n) ________ and compared to
specificaAons.
O-scope
Tech A says that a lambda greater than 1 means the engine is running rich. Tech
B says that the amount of oxygen in the exhaust indicates how rich or lean the
mixture is. Who is correct?
Tech B
Because the value of the self-induced voltage in the ________ is also
influenced by the rate of collapse of the magneAc field, which is determined by
the rate of change of the current flow through the coil, it is essenAal that the
______ be switched off as quickly as possible.
Primary winding;primary current
As the staAonary winding of inducAon-type systems is influenced by the
magneAc field, a ________ is induced in the winding each Ame the ________
changes.
Voltage, magneAc field
, Tech A states that modern vehicles make use of a distributor to create the
spark. Tech B states that modern vehicles no longer use a distributor. Who is
correct?
Tech B
The power train control module (PCM) must control a high-current fuel pump.
The best actuator to use would be a:
Relay
IgniAon systems operate according to the laws of inducAon observed by:
Faraday
Tech A says that the posiAve side of the coil primary circuit is switched. Tech B
says that the negaAve side of the coil primary circuit is switched. Who is
correct?
Tech B
If the reach is too ________, the piston may strike the spark plug while moving
up.
Long
Tech A says that spark igniAon typically occurs before TDC. Tech B says that
spark igniAon typically occurs aXer TDC. Who is correct?
Tech A
Which component of the contact breaker point igniAon system provides the
driver control over system operaAon?
The igniAon switch
Tech A says that spark plug heat range is how much heat spark plugs can
physically handle. Tech B says using the wrong heat range plug can result in
spark plug damage. Who is correct?
NOT both
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