WorksheetsEngine performance #2
Total questions: 5
Worksheet time: 3mins
Name
Class
Date
1.
Plugs that have a black shiny appearance on the electrodes indicate a/an
a)
improper plug heat range
b)
oil-fouled plug
c)
excessive rich mixture
d)
coolant fouled plug
2.
The vertical axis on the oscilloscope screen represents
a)
omhs
b)
amperage
c)
voltage
d)
time
3.
The purpose of a ignition coil is to
a)
lower the ignition system draw
b)
reduce battery voltage
c)
increase the amperage at the plugs
d)
step up the voltage to fire the plugs
4.
The waste spark ignition system will fire
a)
two plugs at different times
b)
one plug at a time
c)
two plugs at the same time
d)
three plugs at the same time on a V-6 engine
5.
A partially collapsed exhaust pipe will cause a a/an
a)
lean running condition
b)
low power condition
c)
engine to run cooler
d)
engine to have higher compresion
100 %
