Why does a diesel engine have a characteristic knock?
What will be an ideal response?
The knock sound comes from the timing in the ignition. The spark plug sets off the combustion at the
same time on each power stroke.
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En general, ¿cuánto juego axial deben tener los motores equipados con cojinetes de bolas?
a. Entre 1/32" y 1/16" b. Entre 1/4" y 1/2" c. Entre 5/8 y 3/4" d. Entre 1" y 1/4".
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Compound motors are generally connected long shunt and are called cumulative ____ motors.
a. compound b. torque c. speed d. ratio
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At which of the following soil moisture potentials (expressed as kPa) is the water's energy level lowest?
A) +5 B) 0 C) -31 D) -3100 E) -1500
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For an English micrometer reading of 0.894 inches, how many numbered divisions show up on the barrel?
A. 8 B. 9 C. 10 D. 11
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