Draw the root locus for each of the systems that have these loop transfer functions and identify the transfer functions that are stable for all finite, positive real values of K.
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Primary controls employ the ____ with other solid-state components in its operation.
a. diode b. lead sulfide cell c. thermistor d. triac
Answer the following statement(s) true (T) or false (F)
A metallurgist makes several measurements of the melting temperature of a certain alloy and computes a 95% confidence interval to be 2038 ±2°C. a. There is 95% probability that the true melting temperature is in the interval 2038 ± 2°C. b. If the experiment were repeated, the probability is 95% that the mean measurement from that experiment would be in the interval 2038 ± 2°C. c. If the experiment were repeated, and a 95% confidence interval computed, there is 95% probability that the confidence interval would cover the true melting point. d. If one more measurement were made, the probability is 95% that it would be in the interval 2038 ± 2°C.
Anti-freeze should be used on the cooling tower even if the plan is to drain the tower for cold spells, because
A) most municipalities require it. B) anti-freeze aids in draining the tower. C) anti-freeze descales the pipes. D) a sudden cold spell can freeze the system.
Using beams on a low, flat ceiling tends to make the room seem _____.
A. larger B. smaller C. brighter D. wider