Technician A says one must be trained in how to use an air-purifying respirator before using it. Technician B says with proper ventilation; a dust/mist respirator can be used for painting operations. Who is correct?
A. Technician A only
B. Technician B only
C. Both Technicians A and B
D. Neither Technician A nor B
A. Technician A only
You might also like to view...
Which of the following is a typical step in the start-up procedure for a pump?
A. Flush/purge the pump. B. Ensure the flow rate is as expected. C. Drain the pump. D. Close the pump suction.
A(n) ____ is the space left in the metal as the metal is removed during a cut.
A. electrode setback B. cup C. kerf D. standoff distance
____ gases do not add any heat to the cutting process.
A. Cutting assist B. Nonreactive C. Exothermic D. Nitrogen
Why do some commercial buildings need air conditioning in the winter?
A) Lower temperatures reduce the spread of bacteria. B) Commercial buildings often have large internal heat loads from people, lights, and machines. C) Commercial buildings are maintained at lower temperatures to improve productivity. D) The complexity of control systems for commercial buildings often causes a system to cool a building even when cooling is not needed.