Technician Asays a self-powered test light is called a continuity tester and is used with the power off in the circuit being tested. Technician B says digital multimeters provide very precise voltage measurement. Who is correct?
A. A only
B. B only
C. Both A and B
D. Neither A nor B
Answer: C
Trades & Technology
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Which type of radiator uses a double pass principle?
A. downflow B. crossflow C. counterflow D. upflow
Trades & Technology
Insulation added to the floors of a home, especially in below grade basements or crawl spaces, should not be ____________________ as this type will trap moisture against the floor joists and flooring causing rot to develop in both.
Fill in the blank(s) with the appropriate word(s).
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Briefly describe the educational and physical requirements for employment in the trade.
What will be an ideal response?
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An angle grinder is used to grind _____
A) soft, porous materials B) imperfections in wood C) hard, heavy materials D) nonmetals only
Trades & Technology