To test a grinding stone for cracks ____.
A. tap the stone in four places and listen for a ring
B. visually inspect the stone
C. shine a light under the stone
D. wet the stone and look for bubbles
Answer: A
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Which of the following is NOT a responsibility of the health physicist?
A) Measuring radioactive levels in biological samples B) Supervising decontamination activities C) Designing safety into nuclear components D) Monitoring radiation in the air
Which of the following termination classes is the only one that provides a seal against external elements?
a. Class 1 b. Class 2 c. Class 3 d. Class 5
The presence of iron and/or manganese in water causes
a. "blue babies", or methemoglobinemia b. scale deposits in plumbing c. tooth decay d. depletion of dissolved oxygen e. none of the above
Why do many HVACR jobs now require a criminal background check?
A) To protect the public from dangerous individuals B) To look for a job applicant's high school grades C) To assess potential job applicants' mechanical abilities D) To determine what your Social Security number and address are