What provides a separation between the service drop conductors and other metal components?
a. Busways
b. Grounding electrode
c. Porcelain insulator attachments
d. Service disconnects
c. Porcelain insulator attachments
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Force F = 225 lbf is applied as shown in Figure 12.24.
(a) Determine the x and y components of the force.
(b) Determine the u and v components of the force.
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Wheel bearings are being packed with grease. Technician A says to use grease that is labeled "GC." Technician B says to use grease with an NLGI number of 2. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Which type of burner port should be used for maximum efficiency?
A) In-shot B) Slotted C) Drilled port D) Ribbon
The collector characteristics for a certain transistor are shown in Figure P10.9.
a. Find the ratio IC/IB for VCE = 10 V and IB = 100, 200, and 600 ?A.
b. If the maximum allowable collector power dissipation is P = iCvCE = 0.5 W for IB = 500 ?A, find VCE .
Known quantities:
The collector characteristics for a certain transistor, as shown in Figure P10.9.