An oxygen sensor is being tested with a digital multimeter using the MIN/MAX function. The readings are: minimum = 78 mV; maximum = 932 mV; average = 442 mV. Technician A says that the engine is operating normally. Technician B says that the oxygen sensor is skewed too rich. Which technician is correct?

A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B


A

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Answer the following statement(s) true (T) or false (F)

1.When installing boxed plant material, the wood box is always left in the planting hole to decompose. 2.A planting hole that has become hard and glazed on the inside should be scarified before installing the plant. 3.Plants installed on a green roof can be grown ahead of time in trays and transferred to the installation site. 4.Newly seeded areas only require irrigation until the plants begin to germinate. 5.Artificial turf has been proven as a sustainable alternative to live turf.

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The power or strength of a signal is called its:

A) shock wave effect B) amplitude C) frequency D) signal level

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The name of a subgroup indicates the order, suborder, and great group of which it is a member

Indicate whether the statement is true or false

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Technician A says to use a normal spark plug when checking for spark. Technician B says that a spark tester should be used to check for spark. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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