Technician A says that J1939 node activity can be identified using a DMM set on V-DC min-max mode. Technician B says that the V-DC min-max readings taken while verifying J1939 bus activity should run between a low of 1 volt and a high of 5 volts. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: A
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Which air impact drive size is the most commonly used?
A) 1/2 inch B) 1/4 inch C) 3/4 inch D) 3/8 inch
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Common heat quantities arranged from smallest to largest are:
A) Therm, kilocalorie, joule, BTU. B) Calorie, BTU, kilocalorie, therm. C) BTU, calorie, kilocalorie, therm. D) Therm, BTU, calorie, kilocalorie.
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The datums shown in alphabetical order that appear in the feature control frame are not chosen for in any particular reason.
Answer the following statement true (T) or false (F)
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How much separation is commonly needed between the vent and intake pipes of a condensing furnace that
pass through a roof? a. 24 inches b. 12 inches c. 6 inches d. 3 inches
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