Commercial and industrial air-cooled packaged units can be mounted on the outside of a structure on ground level and through an air delivery system supplying conditioned air to the structure.
Answer the following statement true (T) or false (F)
True
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A mason should first brush all of the head joints _____ to remove excess mortar.
A. before the mortar is struck B. with a firm brush C. horizontally D. vertically
All of the following statements are true EXCEPT:
A. basic fuel delivery to the engine is determined by signals from the MAP sensor (load), CKP (rpm), and ECT (temperature). B. a MAP sensor produces a voltage that drops as vacuum becomes higher. C. barometric pressure (BARO) sensors are used on some systems to monitor changes in the weather or altitude. D. load sensors include MAP, vacuum, and TPS.
If the time base of a timer is 0.01 and the preset value is at 200, how many seconds will expire before the accumulated value equals the PR value?
A. 200 seconds B. 20 seconds C. 2 seconds D. 2 tenths of a second
Exposure to asbestos dust can cause what condition?
A) Mesothelioma B) Asbestosis C) Lung cancer D) All of the above