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Questions in engineering

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

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

[Homework Help] 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.

[Homework Help] Brick or masonry cannot be used as a structural system. True False

[Homework Help] An advantage of concrete is its recyclable properties. A. True B. False

[Homework Help] Why is it advantageous to maintain a positive pressure in a building? A. To reduce exfiltration B. To reduce drafts C. To minimize system ventilation heat load D. To simplify system fan and duct design

[Homework Help] An advantage of concrete is the long life span. True or False

[Homework Help] Select the best answer for the question. 10. The purpose of the hot reactivation air stream in a desiccant wheel dehumidifier is to A. cool the condenser. B. heat the evaporator. C. evaporate the water running over the wheel. D. dry out the saturated desiccant.

[Homework Help] An advantage of steel is its fire resistant properties. True False

[Homework Help] Bearing walls are not a structural system. True or False