Define power as it relates to electric circuits.
What will be an ideal response?
Power is the rate at which energy is delivered to a circuit. Power is also the rate at which energy (heat) is dissipated by the resistance in a circuit.
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A steel manufacturer is testing a new additive for manufacturing an alloy of steel. The joint probability mass function of tensile strength (in thousands of pounds/
) and additive concentration is
a. What are the marginal probability mass functions for X (additive concentration) and Y(tensile strength)?
b. Are X and Y independent? Explain.
c. Given that a specimen has an additive concentration of 0.04, what is the probability that its strength is 150 or more?
d. Given that a specimen has an additive concentration of 0.08, what is the probability that its tensile strength is greater than 125?
e. A certain application calls for the tensile strength to be 175 or more. What additive concentration should be used to make the probability of meeting this specification the greatest?
Why does the customer concern need to be verified?
A) To determine under what conditions the fault is noticed or occurs B) To make sure that there is a real concern C) To be able to verify the repair D) All of the above
Beth (in problem 4) took her rice to a mill which has grain bins 36 feet in diameter, 22 feet to the roof which is 7.5 feet high. The roof can be filled to 78 percent of its capacity. (Note: 1.25 ft3 = 1 bu.)
a. What is the maximum capacity in cubic feet of one grain bin? b. How many grain bins are needed to dry and store the rice?
When the room-temperature setting is reached, what components are opened?
A) Thermostat and gas valve circuits B) Heat anticipators C) Transformer relays D) Fan and blower contacts