The impedance of a 10 MVA, 22/220 kV transformer is 0.2 per unit. What is this impedance in per unit for a power base of 10 MVA, and a voltage base of 11 kV on the low voltage side of the transformer?
A. 0.05 p.u.
B. 0.1 p.u.
C. 0.2 p.u.
D. 0.4 p.u.
E. 0.8 p.u.
E. 0.8 p.u.
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In the design process called ____ engineering, environmental concerns are considered throughout the process, not just at the end.
A. impact B. green C. sustainability D. responsibility
The number of days that a battery bank can supply the electrical load without being recharged is called days of _____________________.
Fill in the blank(s) with the appropriate word(s).
If p is a success probability, the quantity p/( 1 – p)is called the odds. Odds are commonly estimated in medical research. The article“A Study of Twelve Southern California Communities with Differing Levels and Types of Air Pollution” reports an assessment of respiratory health of southern California children. Assume that 88 boys in a sample of 612 reported being diagnosed with bronchitis during the last 12 months.
a. Estimate the proportion p of boys who have been diagnosed with bronchitis, and find the uncertainty in the estimate. b. Estimate the odds, and find the uncertainty in the estimate.
Where do flexplates usually crack?
What will be an ideal response?