An oscilloscope's seconds/division switch is set on 20 ?s/cm. If the trace is 7.5 cm long, what is the period?
A) 0.0015 s B) 1.5 ?s C) 5 ?s D) 150 ?s
D
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Technician A says that biodiesel burns more cleanly with zero sulfur emissions than equivalent petroleum base diesel fuels. Technician B says that biodiesel has higher calorific value producing better fuel economy than petroleum base diesel fuel. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
The Federal Reserve Act of 1913 guaranteed a substantial measure of public control over the American banking and currency system through the great authority given to
A. the secretary of the treasury. B. the House and the Senate. C. banking shareholders. D. regional Federal Reserve banks. E. the presidentially appointed Federal Reserve Board.
Heated mirrors operation is usually tied into the _______ circuit
A) Heated steering wheel B) Heated rear window C) Headlight D) Heated seat
A type of footing used to support posts, columns, and similar structures is a _____
a) continuous footing b) stepped continuous footing c) grade beam d) pier