In general, when adjusting an actuator/operator, the first step is to verify ________
A) its accessibility B) the location of its valve
C) its type and manufacturer D) its number and nameplate data
B
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With regard to motor carrier regulations, which of the following is a true statement?
a. The operator should always obey local regulations, rather than DOT regulations. b. The operator should always obey DOT regulations and ignore local regulations. c. If the DOT imposes a higher standard than the local ordinance, then the DOT regulation must be complied with. d. A commerical truck driver does not need a physical exam as part of driving eligibility requirements.
Which of the following best describes the role of voltage in an electrical circuit?
A. flow B. resistance to flow C. work D. pressure
Information systems may
a. be formal b. be informal c. use computers d. All of these are correct. e. None of these are correct.
At about what temperature does oxygen combine with the nitrogen in the air to form NOx?
A) 500°F (260°C) B) 2500°F (1370°C) C) 1500°F (815°C) D) 750°F (400°C)