____ damage occurs when continual impacting forces (such as vibrations) are passed from one ring to the other, through the rolling elements, when there is no rotation of the shaft.
A. External
B. False Brinell
C. Spalling
D. Excessive
Answer: B
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El tipo de casquillo en el que se comprime o engarza la espiga al cable se conoce como _____.
a. terminal de cuña b. terminal de persión c. terminal de vaciado d. terminal de cinc
Two technicians are discussing solvents. Technician A says chlorinated solvents are not flammable. Technician B says that chlorinated solvents when exposed to a flame can produce phosgene gas. Who is correct?
A. Technician A B. Technician B C. Both technicians D. Neither technician
When light strikes a photodiode, it produces a ____.
a. forward bias b. reverse bias c. sound d. voltage
Demand calculations for generator set(s) sizing shall be based on the following: (1) prudent demand factors and historical data, (2) ____, (3) Article 220 feeder calculation procedures, or (4) any combination of the preceding.
A. average load B. peak load C. connected load D. cable (material) capacity