While you are inspecting a cast spoke wheel on a heavy-duty truck, you observe polished areas on either side of the lugs. Which of the following is the likely problem?
A. normal wear
B. out of round spoke
C. slipping rim
D. bent lug stud
Answer: C
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The armature current must be limited by an external resistor or a ____ rheostat.
a. liquid b. constant c. disc d. starting
The Poisson formula:
A) does not count all call attempts B) does not include the blocked calls in its formula C) assumes all calls will be cleared when blocking occurs D) expects that callers will immediately redial once they receive a fast busy tone and includes the retries in the total number of call attempts
Determine the heat transfer rate from an electronic chip whose surface temperature is 30ºC and has an exposed surface area of 4 cm^2. The temperature of surrounding air is 25ºC. The heat-transfer coefficient for this situation is h = 25 W/m^2·k . Express your answer in both SI and U.S. customary units. What is the R-factor (film resistance) for this situation?
What will be an ideal response?
_____ verifies that a hazardous material shipment has been prepared according to all applicable regulations.
A. The bill of lading B. The shipper's certificate C. The manifest D. The placard