The central control unit (CCU) of the fire alarm system manufactured by Jensen Electric Co. is a(n) ____.

A. mainframe computer
B. amplifier
C. master clock
D. desktop computer


Answer: D

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Which statement is false?

A) The MAP sensor compares manifold vacuum to a perfect vacuum. B) A decrease in manifold vacuum means an increase in manifold pressure. C) Absolute pressure is equal to barometric pressure plus intake manifold vacuum. D) Barometric pressure minus the MAP sensor reading equals intake manifold vacuum.

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To match a 600 ? audio load to a 4 ? speaker system, the primary of the impedance matching transformer must have ________ more turns than the secondary

A) 3.06 B) 12.2 C) 150 D) The primary should have less turns than the secondary.

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A ________ is a small excavation with straight sides, usually for concrete footings

A) Form cavity B) Reference point C) Trench D) Foundation dig

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In the figure above, as the engine coolant temperature sensor's resistance decreases, how will the voltage signal to the computer change?

A. The voltage signal decreases B. The voltage signal increases C. The voltage signal is unaffected D. The sensor begins producing a digital frequency

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