What country has the largest known reserve of iron ore? Where does the United States rank?
What will be an ideal response?
Australia is first with 35 billion tonnes. The United States is 6th with 6.9 billion tons. (You must go to
Table 34-1 to find this answer.)
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Your parents have agreed to lend you $40 000 to help with your college expenses. They do not expect you to repay the loan or any interest until you have finished school (five years) and worked for 10 years. At the end of 15 years, they will require a lump-sum payment of $80 000.
(a) What equivalent annual interest rate are your parents charging for the use of their money? (b) If your parents cannot lend you money and you have to borrow $40 000 at 6.6 per-cent annual interest, what would the lump-sum payment be at the end of 15 years?
What is a stringer in a steel stair made of?
What will be an ideal response?
?Arc strikes outside of the weld groove are _____________.
A. ?potential defects. B. ?easy to grind off if needed. C. ?usually small and are no problem. D. ?can be left if they are less than 1 in. (25 mm) from the groove.
The subsequent problems deal with the circuit below where the preset and clear features operate based on positive logic (i.e., they are "active high"), which is not the standard convention.
Note: Each question is independent and doesn't depend on results from previous questions. The only values known initially are the values provided in each question.When L=1, R=0, and C changes from 1 to 0, the output of the first flip-flop
A. toggles regardless of its value B. remains unchanged (regardless of whether the initial value is 0 or 1) C. becomes (or remains) 1 D. becomes (or remains) 0 E. is uncertain