Which inverter cannot operate from battery power?
A. Chopper-controlled VVI
B. Phase-controlled CSI
C. Chopper-controlled CSI
D. PWM
Answer: B
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What is not a common output indicator for a control panel?
A. Normal B. Alarm C. Standby D. Trouble
Technician A says that copper jumper cables are better than aluminum jumper cables. Technician B says that aluminum jumper cables are better than copper jumper cables. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Uneven disc brake pad wear is being discussed. Technician A says the caliper piston may be stuck. Technician B says the caliper may be stuck on the slides and unable to "float." Which technician is correct?
A) Technician A only B) Technician B only C) Both Technicians A and B D) Neither Technician A nor B
Symptoms of an inefficient compressor include
A) High suction pressure, low discharge pressure and low amp draw B) High suction pressure, high discharge pressure and low amp draw C) Low suction pressure, high discharge pressure and high amp draw D) Low suction pressure, low discharge pressure and high amp draw