Two technicians are discussing engine sensors. Technician A says that MAP sensors measure altitude. Technician B says MAF sensors measure exhaust flow. Who is correct?

A. A only
B. B only
C. Both A and B
D. Neither A nor B


Answer: D

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Los tanques con diámetros de más de _____ deben tener puntos de anclaje para bandas elásticas.

a. 19 pies (5,79 m) b. 10 pies (3,04 m) c. 12 pies (3,66 m) d. 20 pies (9,14 m)

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All of the following are true about OHV camshafts and lifters EXCEPT ____.

A. hydraulic lifters should be tested for leak-down during inspection if they are to be reused B. the normal shape for the bottom of a lifter is concave C. new lifters should always be installed on a new camshaft D. lifters must always be installed on the same lobe for which it was removed

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Some two-thirds of the solar energy reaching the Earth is absorbed by water on or near the Earth's surface

Indicate whether the statement is true or false

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What is the average value of a pure sinusoidal waveform over one full cycle?

A. At peak B. Zero C. 1 cycle per second D. 250 Hz

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