A shading test is a test ___________
a. To determine whether a solar photovoltaic panel is operating correctly.
b. To determine how well the inverter converts DC to AC voltage.
c. That helps determine the size of solar panels that should be selected for a solar panel application.
A
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When three solid-state relays are connected in series, the supply voltage must be _____.
a. half of the minimum operating voltage for a single relay b. a third of the minimum operating voltage for a single relay c. triple the minimum operating voltage for a single relay d. four times the minimum operating voltage for a single relay
?TechnicianA says that using a thread lubricant results in more bolt stretch. Technician B says that a grade 8 bolt has eight radial lines on its head. Who is right?
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B
How many cubic feet of acetylene gas is stored in a size MC acetylene tank weighing 8.0 pounds?
A) 5 ft3 B) 7.5 ft3 C) 10 ft3 D) 0 ft3
Which of the following statements is true concerning RoadRunner data service?
A) the greatest difference in the network is how the signals are multiplexed into one pipe at the curb and how the data traffic is handed off to the ISP at the head-end office B) the speed offered to customers varies due to the bus topology of the cable TV network C) when few users are on line, the customer may reach maximum speeds on the pipe D) all of the above