A device used for lifting or lowering objects suspended from a hook at the end of retractable chains or cable is called
A. Hoist
B. Jib crane
C. Portable elevator
D. Chain conveyor
Answer: Option A
Solution(By Examveda Team)
A device used for lifting or lowering objects suspended from a hook at the end of retractable chains or cable is called HoistThis Question Belongs to Mechanical Engineering >> Industrial Engineering And Production Management
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The essential condition for the decompression of an activity is that
A. The project time should change due to decompression
B. After decompression the time of an activity invariably exceeds its normal time
C. An activity could be decompressed to the maximum extent of its normal time
D. None of the above
A. CAM < DAM
B. CAM > DAM
C. CAM = DAM
D. There is no such criterion
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