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Questions in engineering

[Answered] Single ply systems may include ballast or stone overlays. True False

[Answered] Waterproofing includes roof slopes. True or False

[Answered] The NFPA codes cover fire safety and life safety. A. True B. False

[Answered] Describe how you would produce a 90 degree bend on: a. 4mm thick acrylic b. 2mm thick tin sheet metal. Explain how the following plastic items could be manufactured: a. plastic water bottles b. water horse pipes

[Answered] Number of toilets is determined ONLY by the plumbing code. True or False

[Answered] Select the best answer for the question. 5. How much horsepower can a one-horsepower motor with a service factor of 1.2 safely produce? A. 1.15 HP B. 10 HP C. 0.9 HP D. 1.2 HP

[Answered] Describe a situation in the workshop when the following safety items should be necessary: a. safety goggles b. leather gloves

[Answered] Timber used for structural systems is inspected. True False

[Answered] An advantage of concrete is its fire resistant properties. True False

[Answered] To produce cooling, the refrigerant must A. boil and change state in the evaporator. B. enter the evaporator as cold liquid and leave as hot liquid. C. freeze and change state in the evaporator. D. absorb heat and increase pressure in the evaporator.