Answer the following statement(s) true (T) or false (F)
1. If the sun is to be used as a timer, some type of photodetector will be required to sense when the sun rises and sets.
2. When the cad cell is in the presence of light, its resistance is high.
3. In the presence of darkness, the resistance of the cad cell increases in value.
4. When the voltage applied to the inverting input becomes higher than the voltage applied to the noninverting input, the output changes to a high state.
5. A DC motor contains brushes and a commutator.
1. True
2. False
3. True
4. False
5. True
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Most contractors use a standard format of summary to capture all the main components of an estimate.
Answer the following statement true (T) or false (F)
Which is NOT recommended during an interview?
A) Have clean hair B) Wear jeans C) Wear shoes that are not sneakers D) Wear a shirt with a collar
Technician A says that structural aluminum replacement parts can be welded into place using the resistance spot welder. Technician B says all vehicle manufacturers require aluminum parts to be flame treated before adhesively bonding them. Who is correct?
A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B