A suitable factor of safety to apply when selecting the cable for a factory hoist is: 05 O1.2 0.2 O25
A suitable factor of safety to apply when selecting the cable for a factory hoist is: 05 O1.2 0.2 O25
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:QUESTION 1
A suitable factor of safety to apply when selecting the cable for a factory hoist is:
05
O1.2
0.2
O 25
QUESTION 2
A winch drum of diameter 199mm turning at 14rpm lifts a load of 5.5kN.
What is the winch output power?
Give your answer in W to 1 decimal place without units eg 102.3 NOT 102345239 W
QUESTION 3
The figure below shows two proposed designs of drums to solve the same load and line speed lifting arrangement. What is the biggest advantage with design A:
A
The torque on the drum shaft will be lower
O The rope speed will be lower
The bending moment in the drum shaft will be lower
O The weight of the drum material will be less
刚
B
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