What are the two types of duct detectors?

What will be an ideal response?


The two types of duct detectors are the heat-type and smoke-type.

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? Identify and state the historical significance of noncolonization.

What will be an ideal response?

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The main cause of high condensing temperature and pressure in air cooled condensers is:

A) Refrigerant undercharge. B) Operating the condenser at low ambient temperatures without head pressure controls. C) Excessive airflow over the condenser. D) Dirty condensers.

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Decoders are normally used whenever:

A) inputs are totally random and the active outputs are nonsequential. B) an output or group of outputs is to be activated only when a specific combination of inputs occur. C) outputs are to be activated that are identical to the multiple inputs. D) outputs are to be activated on a random time-share basis independent of the input combinations.

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Management has carefully measured the standard deviation of the demand of a product and plans to use this to calculate the level of safety stock. If they keep one Standard Deviation of safety stock then the expected service level should be approximately:

A) 90%. B) 100%. C) 35%. D) 15%. E) 85%.

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