A female mechanic working in an industrial facility is exposed to 18 mg/m3 of benzene in the air at the workplace. Calculate the lifetime cancer risk for this exposure.
What will be an ideal response?
The EPA unit inhalation risk for inhalation of benzene
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The classification of an area as being hazardous with regard to the installation of lighting fixtures is the responsibility of the insurance company, authority having jurisdiction, or _____.
a. owner b. NFPA c. electrician d. utility company
GMA welding machines have ____ duty cycle.
A. 20 percent B. 60 percent C. 80 percent D. 100 percent
Technician A says that vehicles with less unsprung weight have better handling. Technician B says that the wheel and tire assembly are considered sprung weight. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
You are checking your steering and exhaust systems in your pre-trip inspection which of these problems should be fixed before the vehicle is driven
a. Tires of mismatched sizes should not be used on the same vehicle. b. Dual tires should be touching each other. c. 2/32 inch tread depth is safe for the front tires. d. Radial and bias-ply tires can be used together on the same vehicle.