A(n) ____________________ chart is a graphical representation of a troubleshooting procedure for a particular unit.
Fill in the blank(s) with the appropriate word(s).
troubleshooting
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The two most common materials used to sense humidity are hair and ____.
a. polyester b. nylon c. cellulose d. cotton
The most common personnel hazard in liquid hydrogen use is the possibility of ____________________ should the liquid contact skin.
Fill in the blank(s) with the appropriate word(s).
A customer comes into a shop with a complaint that his car is smoking. The smoke appears in a big cloud after starting and then clears up. He also notes smoking during long periods of deceleration or idling. Technician A says that the valve stem seals may be worn. Technician B says that if the valve stems are worn, they may be changed without removing the cylinder head. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
A certain band-limited periodic current has only three frequencies in its Fourier series representation: dc, 50 Hz, and 100 Hz. The current may be represented as i(t) = 4 + 6 sin 100 ? t + 8 cos 100 ? t - 3 sin 200 ? t - 4 cos 200 ? t A
(a) Express i(t) in amplitude-phase form. (b) If i(t) flows through a 2-? resistor, how many watts of average power will be dissipated?