Daily Safety Production Management Question (12.21)
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2. Eliminating hazardous components in the design, reducing or avoiding the need to perform tasks in hazardous areas, providing automatic feedback devices, and keeping moving parts sealed – these are aspects related to mechanical design ( ). A. Intrinsic safety B. Fail-safe design C. Positioning safety D. Automatic safety 1. The required display distance for signal lights: the distance for advance signals, hump signals, and auxiliary hump signals must be no less than ( ). A、200mm B、300mm C、400mm D、500mm Reference**: A C
A--------------C
2. Eliminating hazardous components in the design, reducing or avoiding the need to perform tasks in hazardous areas, providing automatic feedback devices, and keeping moving parts sealed – these are aspects related to mechanical design (A). A. Intrinsic safety B. Fail-safe design C. Positioning safety D. Automatic safety 1. The required display distance for signal lights is such that the advance signals, hump signals, and auxiliary hump signals must be no less than (C). A、200mm B、300mm C、400mm D、500mm