Refer to Exercise 30. An equation to predict the ductility of a titanium weld is Y=7.84C+11.44N+O –1.58Fe, where Y is the oxygen equivalence used to predict ductility, and C, N, O, and Fe are the amounts of carbon, nitrogen, oxygen, and iron, respectively, in weight percent, in the weld. Using the means, standard deviations, and correlations presented in Exercise 30, find 
and 
..
What will be an ideal response?
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The motor-generator set has one inherent advantage over rectifier-type DC supplies, that is, ____.
a. the fact of being relocatable b. being easy to replace when they fail c. the ability to regenerate d. being much less expensive
Aquatic animals that have an exterior skeleton and 3 body parts are ____________________
Fill in the blank(s) with correct word
Electricians create a split-wired receptacle by removing the __________ between the brass terminal screws on the “hot” side of a duplex receptacle.
a. screw b. connecting tab c. strap d. wire
A 480 V, four-pole, 60 Hz, Y-connected induction motor has a stator inductive reactance of 4 ? and stator resistance of 0.2 ?. The rotor inductive reactance and resistance referred to the stator are 4 ? and 0.2 ?, respectively. The magnetizing reactance is 150 ? in the linear region and 50 ? in the saturation region. The motor is driving a constant-torque load of 120 Nm and is driven by a CSI. The frequency of the CSI is adjustable. Calculate the frequency of the CSI for the needed speed (900 rpm) without exceeding the ratings of the motor, and compute the starting torque.
What will be an ideal response?