Which of the following conditions are reason to OOS deadline a vehicle for tire defects?
A. tread depth measures 1/32 inch in two grooves
B. mixing bias and radial ply on same axle
C. sidewall is cut exposing the casing ply cord
D. any of the above
Answer: D
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The DC-DC converter of Figure 12.36 is used to control the speed of a DC motor. Let the supply voltage be 120 V and the armature resistance of the motor be 0.15?. The motor back-emf constant is 0.05 V/rpm, and the switching frequency is 250 Hz. Assume that the motor current is free of ripple and equal to 125 A at 120 rpm.
a. Determine the duty cycle of the converter ? and the converter on time t1.
b. Determine the average power absorbed by the motor.
c. Determine the apparent power supplied by the source.
_____________ is defined as a set of techniques that use living organisms to clean up toxic wastes in water and soil
Fill in the blank(s) with correct word
It is accurate to say that viruses:
a. Have living and nonliving characteristics b. Lack a nucleus and other cell parts c. Cannot grow and reproduce outside a living cell d. All answers
Which of the following hormones is/are produced by both the testes and the ovaries?
A) inhibin B) estrogens C) progestins D) androgens E) testosterone