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Questions in engineering

[Free] Bedrock can be used under slabs and foundations. True False

[Free] What kind of boiler is used for residential installations? Select one: A. Steam B. Low-pressure C. High-pressure D. Hot-water

[Free] In the absence of other information, all soil in an excavation should be treated as if it is Select one: A. Type A B. Type B C. Type C D. solid rock

[Free] What is the minimum desired return water temperature for a noncondensing boiler? Select one: A. At least 100°F returning to the boiler B. At least 180°F returning to the boiler C. At least 140°F returning to the boiler D. At least 80°F returning to the boiler

[Free] When replacing a cartridge type oil filter, you should always use: A. The original O-rings B. Gloves to protect your skin C. Non-genuine Toyota filters D. An impact gun to remove the filter cap

[Free] Engineers use their imaginations to envision products or solutions from different perspectives. Which statement describes perspective in the engineering world? A. Engineers should be able to work on a team. B. Engineers should look at problems in multiple ways, top-down, bottom-up, inside-out. C. Engineers should communicate well with co-workers. D. Engineers should be able to speak both techie and non-techie.

[Free] Steel is the only material used for piles. True or False

[Free] Select the best answer for the question. 5. An example of a sustainable design for water control is using A. a large retention pond to sequester the water that runs off the parking lot. B. oversized storm sewers to reduce the possibility of flooding. C. natural vegetation on the roof to absorb water and reduce water runoff. D. 25-foot hoses instead of 50-foot hoses for periodically washing down the parking lot.

[Free] What is the difference between a steam boiler and a hot water boiler? Select one: A. A hot water boiler does not actually boil the water. B. Hot water boilers do not heat the water over 212°F. C. Steam boilers are used to superheat the steam produced by a hot water boiler. D. The steam created by a hot water boiler is vented to the air.

[Free] Which of the following is a possible power source for overhead and gantry cranes? A. Electricity B. Compressed air C. Internal combustion engine D. All of the above