Why are the lines different heights on a traditional ruler?
What will be an ideal response?
The lines for each division on the rulers are progressively smaller to make recognizing the different units easier.
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At one time most farmers raised chickens for both meat and eggs
Indicate whether the statement is true or false
Read the setting on this customary vernier micrometer scale graduated in 0.0001".
Fill in the blank(s) with the appropriate word(s).
Ma Bryan sells homemade preserves. The profit relation for the following estimates at a quantity that is 10% above breakeven is closest to:
Fixed cost = $500,000 per year Cost per 100 units = $200 Revenue per 100 units = $250 (choose one): (a) Profit = 200(11,000) ? 250(11,000) ? 500,000 (b) Profit = 250(11,000) ? 500,000 ? 200(11,000) (c) Profit = 250(11,000) ? 200(11,000) + 500,000 (d) Profit = 250(10,000) ? 200(10,000) ? 500,000
When is it important to match the polarity of the meter leads to the polarity of the circuit being tested?
A) When reading AC voltage B) When reading resistance C) When reading DC voltage D) With all readings