Isolated gate bipolar transistors are utilized in ________ power sources
A) Generator B) Inverter
C) Transformer / rectifier D) None of the above
B
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A pump is designed to increase the pressure of water flowing at 10 m3/min from 100 kPa to 6 MPa. The minimum horsepower required by the pump is nearest:
A) 1470 hp B) 1320 hp C) 1180 hp D) 980 hp
Why is cattle insulin no longer used to help diabetics?
What will be an ideal response?
Technician A says that if one main bearing journal is ground to the next undersize, all of the other main bearing journals must be cut to match. Technician B says that if a main bearing journal is worn below the limits of machining, an alternative may be welding up the journal and then grinding it back down to its original size. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Why is it recommended to evacuate from three points on a solenoid control system (Carrier)?
A. Because the system is larger B. Because of the discharge check valve C. Because of the closed SV2 solenoid valve D. Because of the closed pilot solenoid valve