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Questions in engineering

[Free] Where are fuel vapors most likely to gather? A. transom B. bilge C. cockpit D. deck

[Free] Technician A Question 20 (5 points) Listen A Mixing refrigerants can cause A) lack of heat from the heater while driving. B) ○ C) the compressor clutch to behave erratically. high-side pressure that's too low. D) high-si pressure that's too high.

[Free] True or False? Employees may use devices such as boxes and barrels on scaffold platforms to increase their working level height, as long as the devices are "reasonably secure." A. True B. False

[Free] Which of the following is a hazard associated with scaffold work? A. Falling objects B. Electrocution C. Falls D. All of the choices are correct

[Free] Which of the following statements is ALWAYS true regarding moving a scaffold with workers on it? A. It is safe to move the scaffold as long as someone is spotting B. The scaffold can be moved horizontally if it is designed by a registered professional engineer for that purpose C. Moving a scaffold with workers on it is acceptable under any circumstance D. Scaffolds with wheels are always safe to move with workers on the platform

[Free] After inspecting a scaffold that was struck by a forklift, a competent person discovers visible damage which could weaken the entire structure. What immediate action is required? A. Replace the damaged component; repair is never an option. B. Install a barricade or barricade tape to prevent use of the damaged portion of the scaffold. C. Report the incident to the appropriate regulatory agency. D. Remove the scaffold from service until it has been repaired.

[Free] Which of these soil classifications allows for vertical walls that remain intact while exposed? A. Solid Rock B. Type A C. Type B D. Type C

[Free] Which soil classification tends to be cohesive and includes clay, cemented soils, and hardpan? A. Solid Rock B. Type A C. Type B D. Type C

[Free] What is the benefit of using STEM-related language throughout the daily routine? A. It promotes deeper thinking about situations. B. It is faster than using typical language. C. It is required by the public schools to use STEM-related language. D. There is NO benefit to using STEM-related language.

[Free] Describe the operation and functions of different types of low voltage protective devices including overload relays, fuses, circuit breakers, and earth leakage protection devices.