An ohmmeter should be connected to the circuit or component being tested _____________
A) With current flowing in the circuit or through the component
B) When connected to the battery of the vehicle to power the meter
C) Only when no power is flowing (electrically open circuit)
D) Both B and C
C
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The standby time for operation of an alarm system on secondary power is defined in _____.
a. NFPA 1 b. NFPA 70® c. NFPA 72® d. NFPA 101®
What has replaced steel in water systems?
What will be an ideal response?
In the 1980s, there was a court battle over whether scientists would be allowed to field-test a bacteria they had developed to help protect plants from ____________________ damage
Fill in the blank(s) with correct word
On a residential construction site, what is commonly called a "saw pole"?
A) Service utility pole B) Local utility hookup C) Permanent power source D) Temporary power pole