Which is the first product in industrial fixation?

a. N2 c. NO3–
b. NH3 d. CO(NH2)2


B

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Technician A says that most digital and analog (needle-type) dash gauges use variable resistance sensors. Technician B says that permanent-magnet (PM) generators produce an AC signal and are used for vehicle speed and wheel speed sensors. Who is right?

A) A only B) B only C) Both A and B D) Neither A nor B

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What type of drawing shows the intended assembly of mechanical parts?

A. schematic B. three-dimensional C. extracted view D. exploded view

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Name a common use of area in HVACR

What will be an ideal response?

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What device may have a rotating table surface and/or spikes on the table surface for a better grip?

a. Roller skid b. Pallet jack c. Pallet conveyor d. Accumulating conveyor

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