Which of the following is correct regarding communication in managerial roles?
a. Interpersonal roles involve interacting with others.
b. Decisional roles involve getting information to use in making decisions and then
communicating decisions to others.
c. Informational roles focus specifically on acquiring and disseminating information.
d. All of these are correct.
e. None of these are correct.
D
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The nutrient element magnesium is often supplied by which type of application?
A) injection of a gas into the soil B) broadcast of a chloride salt C) broadcast of the nearly pure element as a solid D) incorporation of powdered limestone rock E) application of a chelate to the soil
What is the temperature rise of a furnace with a supply air temperature of 130°F and a return air temperature of 75°F, operating in an ambient temperature of 50°F?
A) 75°F - 50°F = 25°F temperature rise B) 130°F - 50°F = 80°F temperature rise C) 50°F + 75°F = 125°F temperature rise D) 130°F - 75°F = 55°F temperature rise
Fixed-width metal door frames are available in widths ranging from _____
a. 2" to 5-1/2" b. 2" to 6-1/2" c. 2-1/2" to 7-1/2" d. 2-1/2" to 8-1/2"
Which one of these statements is TRUE?
A) An insulator has very few free electrons in the valence ring. B) Air provides better insulation qualities than do solid materials such as glass or mica. C) An insulator allows no current to pass, regardless of the magnitude of the applied voltage. D) Insulator materials typically have four electrons in the outermost valence ring.