When installing a new ring gear, what method would you use to test the heated temperature?
What will be an ideal response?
The following are ways to test the heated temperature of the ring gear:
1. Wet the ring gear in several places with oil before heating. When the oil smokes and flames up, its flash point has been reached. This is somewhere above 3000F, which is warm enough to install the ring gear.
2. Check ring gear temperature with a Tempilstik. Tempilstiks are pencil-shaped temperature indicating sticks that melt at different temperatures. A 4000 Tempilstik will leave a melted film on the ring gear when it is stroked across a surface hotter than 4000.
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Describe the safety issues associated with carbon monoxide.
What will be an ideal response?
____ are often more practical for power factor improvement than capacitors are because they can drive a mechanical load as well as develop a leading power factor.
A. Synchronous motors B. Induction motors C. Feeder conductors D. Transformers
A transmission line has a series impedance of Z = 100?75? ? and a final shunt admittance of Y = 450?48? µS. Find: (a) the characteristic impedance Z? = (Z/Y)½ and (b) the propagation constant ? = (Z/Y)½.
What will be an ideal response?
The most common times to perform a seasonal check on heating equipment are in the:
A) Winter. B) Fall. C) Summer. D) Spring.