One way to prevent food-borne illness is to _____
A) thaw food at room temperature only
B) cook all beef to 140 degrees F
C) always eat at fast food restaurants
D) wash hands after handling meat
D
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In what type of airflow in cooling towers does air and water flow in opposite directions?
A. Cross-flow B. Parallel flow C. Counter-flow D. Turbulent flow
The forward bias on a P-N diode to make the diode conduct must be greater than the:
A) barrier potential. B) volence bond. C) reverse bias. D) conduction bond.
Which of the following is NOT true about digital versus analog transmissions?
A. analog uses the frequency spectrum more efficiently B. digital is more difficult to decode C. analog uses more power on average D. digital provides better voice quality over long distances
Usually, the length of the stretchout is the perimeter of the end of the duct minus the allowance for the seam.
Answer the following statement true (T) or false (F)