Which of the following statements are true?
I. Lean and manufacturing planning and control cannot work together.
II. The lean philosophy simplifies and reduces manufacturing planning and control problems.
III. Lean requires a very good planning and control system.
A) I, II and III
B) I and III only
C) II and III only
D) I and II only
E) none of the above
C
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The motor is loaded by a unidirectional constant-torque load of 40 Nm. A countercurrent braking is performed on the motor. Calculate the following:
A 60 Hz, 480 V, three-phase, Y-connected induction machine has the following
parameters:
a. Motor current before the countercurrent braking
b. Motor current just after the voltage sequence is reversed
c. Current at the moment when the motor stops
d. Motor torque at the condition of part (c)
e. Motor current at the new steady-state point
f. Motor torque at the new steady-state point
g. Motor speed at the new steady-state point
? Identify and state the historical significance of Saddam Hussein.
What will be an ideal response?
A vehicle was driven 187 mi from Knoxville to Nashville, 137 mi from Nashville to Chattanooga, and 102 mi from Chattanooga back to Knoxville. What was the total number of miles traveled?
Fill in the blank(s) with the appropriate word(s).
A ____ is used to deactivate the lighting after the last worker has left.
A. toggle switch B. photocell C. pressure switch D. time clock