In a long line Pi model, we use series impedance Z’ and shunt admittance Y’/2. In the short line model, we use:
A. Series impedance Z’ and shunt admittance Y’/2
B. Series impedance Z’ and shunt admittance Y/2
C. Series impedance Z and shunt admittance Y/2
D. Series impedance Z and shunt admittance 0
E. Series impedance 0 and shunt admittance 0
D. Series impedance Z and shunt admittance 0
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Answer the following statement(s) true (T) or false (F)
1. The vane-operated limit switch has the advantage of excellent response time, but at the cost of low accuracy. 2. A SLO-SYN stepping motor can operate from a single-phase power source. 3. In an open-loop system, there is no feedback provided to the control system to monitor the device and to compensate for any error in the system. 4. Only minimal sensor tasks are required when automating technical processes. 5. In fast-acting systems, the integral term tends to make the system more stable.
When performing a valve lash adjustment on a diesel engine, which of the following is recommended?
A. engine stationary and at operating temperature B. engine running and at operating temperature C. engine stationary and cold D. engine running and cold
The solid-state relay uses a solid-state component called a(n) ____________________.
Fill in the blank(s) with the appropriate word(s).
Define reactive power.
What will be an ideal response?