________ signaling uses a separate wire pair to carry signaling information, thus requiring a four-wire circuit between switches, one pair for normal voice conversation and the other for signaling
Fill in the blank(s) with correct word
E&M
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Your cotton picker broke down and was in the shop 4.5 days. The mechanics worked 23.5 hours to make the repairs at $78 per hour and replaced $2,280.76 worth of parts. You lost $20 per hour for not having the use of the picker. You worked 12-hour days. What did the breakdown cost?
What will be an ideal response?
The subsequent problems deal with the circuit below where:Vs=2 sin (100 t) V, R1=1k?, R2=1k?, and C=1µfAssume the circuit is operating in steady state (transients already gone).
What is the rectangular form of the equivalent impedance (in ?) of the R1?C branch?
A. 1000 ? 100 j B. 1000 + 10000 j C. 1000 D. 1000 + 100 j E. 1000 ? 10000 j
Most consumption of electricity and natural gas is used for:
A) Military operations. B) Commercial and industrial lighting. C) Residential lighting. D) Heating and cooling.
The purpose of a pressure differential valve is being discussed. Technician A says it is used to close off one circuit in the event of pressure loss. Technician B says it provides the needed pressure balance between the front and rear brakes. Who is correct?
A. A only B. B only C. both A and B D. neither A nor B