To identify and assess hazards, it is essential that employers _____.
a. conduct inspection of contractor offices
b. ensure that crew leaders are present at the job site
c. design safety logs
d. conduct accident investigations
Answer: B
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Which type of fifth wheel is most commonly used on highway tractors?
A. Fully oscillating B. Semi-oscillating C. Stabilized D. Elevating
Technician A says that open loop fuel systems have no way of detecting whether the amount of fuel delivered was ideal for the driving conditions. Technician B says that closed loop systems use oxygen sensors to provide feedback to the PCM. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
A chemical engineer working for a large chemical products company was asked to make a recommendation about which of three mutually exclusive revenue alternatives should be selected for improving the marketability of personal care products used for conditioning hair, cleansing skin, removing wrinkles, etc. The alternatives (X, Y, and Z) were ranked in order of increasing initial investment and then compared by incremental rate of return analysis. The rate of return on each increment of investment was less than the company’s MARR of 17% per year. The alternative to select is:
(a) DN (b) Alternative X (c) Alternative Y (d) Alternative Z
If the overprotection rating for an appliance is not marked and the appliance is rated over 13.3 amperes, the overcurrent protection shall not exceed ____% of the rated current.
A. 50 B. 75 C. 100 D. 150