Explain the steps to be use in matching protective measures with hazards to the feet of workers
What will be an ideal response?
The key to protecting workers' feet and toes is to match the protective measure with the hazard. This involves the following steps: 1) identify the various types of hazards present in the workplace, 2) identify the types of footwear available to counter the hazards, and 3) require that proper footwear be worn. Shoes selected should meet all applicable ANSI standards and have a corresponding ANSI rating.
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____ piping systems have smaller pipes joining larger pipes as the material in the smaller pipes combines, thus requiring a larger pipe to handle the flow.
A. ?Transportation B. ?Distribution C. ?Collection D. Processing
Which of the following is a three-wire variable sensor?
A) Engine coolant temperature sensor (ECT) B) Intake air temperature sensor (IAT) C) Potentiometer D) Rheostat
To manually defrost a frozen evaporator coil, technicians should:
A) Use a heat gun to accelerate the melting of the ice. B) Chip away the ice from the coil using a tool designed for chipping ice. C) Use any available sharp object to chip away ice from the coil. D) Spray the ice with liquid refrigerant, which will boil and melt the ice.
What should always be running when the chiller is operating?
A) the condenser-cooling water pump B) the cooling tower fan and damper C) the mixed-air damper outlet D) the chilled air-handler fan