PROBLEM 3.66
Determine the maximum shearing stress in a solid shaft of 1.4-in. diameter as it transmits 66 hp at a speed of (a) 750 rpm, (b) 1500 rpm.
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How many high pressure pumping chambers are used in a typical inlet metering, opposed plunger rotary distributor injection pump?
A. one B. two C. four D. six
For steels containing more than ____ % carbon, preheating and subsequent heat treatment generally are required.
A. 0.30 B. 0.40 C. 30 D. 40
A 3-phase, 4-wire, wye-connected power system supplying nonlinear loads may necessitate a design allowing for the possibility of ____ on the neutral conductor.
A. transient arching B. low harmonic neutral currents C. excessive heat D. high harmonic neutral currents
Some antilock braking systems use a yaw sensor. Where is this sensor usually mounted?
A) Inside the vehicle under a seat B) In the front of the vehicle near the radiator C) Attached to or near the brake pedal assembly D) On the master cylinder