People maintain their steady internal body temperature by:
A) Sunning ourselves on radiant surfaces.
B) Producing exactly the amount of heat needed to maintain body temperature.
C) Producing more internal heat than needed and expelling the extra heat.
D) Adjusting our internal temperature to the surrounding conditions.
C
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Which of the following is not a standards writing organization?
A) ANSI B) ASTM C) UL D) NSF
If a circuit has 48 amps of current and an applied voltage of 240 volts, the resistance is _____.
a. 5 ohms b. 10 ohms c. 15 ohms d. 25 ohms
Mature male insects are irradiated in the laboratory to:
a. eliminate their ability to reproduce b. prevent their digestive tracts from digesting plant material c. help them pollinate more trees d. stop them from spreading disease
How many place decimals places are used when the tolerance limits are less than 0.01"?
a. Either two or three decimal places. b. Two decimal places. c. Three decimal places. d. It depends on the accuracy of the measurement. e. Any one of the above theories can be used.