Notive Service Safety Jump-Starting Page 4 of 5
Please read and answer each question carefully.
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4. When Jump-starting a car, always remember
A) O Negative to positive, positive to ground
B) O Positive to positive, negative to ground
C) Positive to negative, negative to ground
D) O Ground to positive, negative to positive
mp-starting a car
et because it is rela
arting process is n
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Compute the pressure drop of 30°c air flowing with a mean velocity of 8 m/s in a circular sheet-metal duct 300 mm in diameter and 15 m long. use a friction factor, f 0.02, and pair = 1.1644 kg/m a. 37.26 pa b. 25.27 pa n c. 29.34 pa d. 30.52 pa

The sum of the normal stresses does not change as the stress state rotates through an angle. a)-trune b)- false

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