What is an additional role of connecting busways to enclosures such as unit substations?
What will be an ideal response?
These connections are used to transpose the positions of the buses connected to the same phase. This transposition reduces the impedance of the total length of the busway. Because each phase is located at two places (or more in larger busways), the effects of the magnetic field are reduced and the opposition to the current flow is also reduced.
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Proper operation of the rotating equipment like the agitator, mixer, agglomerator, and centrifuge includes: (Select all that apply.)
a. having machine guards in place b. running the equipment at designed speed of rotation c. turning equipment on/off every shift d. starting the process at 100 RPM per hour
Which of the following would properly describe the type of SI system used on a current CNG fuel system on commercial vehicle applications? ?
A. ?Capacitive discharge ignition (CDI) B. ?Breakerless ignition C. ?Coil-on-plug ignition (CPI) D. ?Distributor ignition
In contrast to liquids and vapors, solids will:
A) Apply downward pressure when set on a surface. B) Apply pressure on the bottom and sides when contained. C) React to gravitational force. D) Apply pressure in all directions when set on a flat surface.
During the vapor recovery phase, what is pumped from the condenser to the storage tank?
A) High-pressure vapor B) Cooling water C) Liquid refrigerant D) Low-pressure vapor