13. To ensure an adequate factor of safety in thedesign of a shaft with standard keyway, the key widthshould be about:A. one half of the shaft diameterB. One fourth of the shaft diameterC. One eighth of the shaft diameterD. One third of the shaft diameter

Key : It is a piece of mild steel inserted between the shaft and hub or boss of the pulley to…

13. To ensure an adequate factor of safety in the of a shaft with standard keyway, the key width I be about: A. one half of the shaft diameter B. One fourth of the shaft diameter C. One eighth of the shaft diameter D. One third of the shaft diameter

13. To ensure an adequate factor of safety in the of a shaft with standard keyway, the key width I be about: A. one half of the shaft diameter B. One fourth of the shaft diameter C. One eighth of the shaft diameter D. One third of the shaft diameter

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter31: Wiring For The Future: Home Automation Systems

Section: Chapter Questions

Problem 5R

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Concept explainers

HVDC

HVDC stands for high voltage direct current in the electric power transmission system. The high voltage direct current system uses direct current (DC) for the transmission of electrical power through transmission lines in contrast with the alternating current that is the AC system. The HVDC is used to transmit bulk power point-to-point through long distances transmission lines. Power is rapidly transferred because the efficiency of transmission lines is greatly increased over long distances due to HVDC lines.

Question

13. To ensure an adequate factor of safety in the
design of a shaft with standard keyway, the key width
should be about:
A. one half of the shaft diameter
B. One fourth of the shaft diameter
C. One eighth of the shaft diameter
D. One third of the shaft diameter

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