Which of the following is a general NEC® requirement for installing boxes?
A) The box must be at least 2? deep.
B) The box must be installed flush to the wall surface.
C) The box must be of a sufficient size to permit locknuts to be properly installed.
D) The finished installation must be accessible for future repair or maintenance.
Answer: D
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Technician A says that the cells in a lead-acid battery are connected in series. Technician B says that the plates in a lead-acid battery are connected in parallel. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
19th-century Baltimore postmaster John Stuart Skinner is considered the father of American agricultural:
a. technology b. science c. marketing d. journalism
Technician A says that RTV sealer may be used in place of an O-ring installed on an oil pump pickup. Technician B says that oil pumps should be installed onto the engine block with all parts inside and out, clean and dry. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Which of these can be used to measure the frequency (Hz) output of the sensor and compare the reading with specifications?
A) Logic Probe B) Megohmmeter C) DMM (digital multimeter) D) High impedance test light