The __________ leak detector operates with an open flame and indicates a refrigerant leak when the flame color changes from __________ to __________,
What will be an ideal response?
halide, blue, green
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What are the low and high centers of frequencies of octave bands most common in engineering?
A) 125 to 4000. B) 62.5 to 8000. C) 31.3 to 8000.
The power curve is a(n) ________ with twice the frequency of the current or voltage
A. horizontal axis B. sinusoid C. inductive network D. ideal capacitor
A variable speed drive supplies current directly to the rotor of the motor.
Answer the following statement true (T) or false (F)
Technician A says that pillars supporting the roof of the car must be able to withstand at least four times the weight of the car. Technician B says the A pillar is sometimes hydroformed. Who is correct?
A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B