A 1.2–kW toaster takes roughly 4 minutes to heat four slices of bread. Find the cost of operating the toaster twice per day for 2 weeks (14 days). Assume energy costs 9 cents/kWh.

What will be an ideal response?


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One degree approximates ____ radian.

A. 0.017 B. 0.020 C. 0.035 D. 0.085

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If the current location (start point) is (10,10), and the G-code is G03 X16 Y8.5 I3.5 J0, the center of the arc is:

A. (13.5,10) B. (3.5,0) C. (6.5,10) D. (10,13.5)

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As described by NEMA (National Electrical Manufacturers Association), a(n) ____________________ is a device used to accelerate the motor to its rated speed in one direction and limit the current to the armature circuit to a safe value during starting and accelerating

Fill in the blank(s) with the appropriate word(s).

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The values needed to calculate air volume (cfm) delivered by an air handler equipped with electric heaters are _____.

a. volts, amps, and heater resistance b. fan watts, ohms, and ?T c. heater volts, amps, and ?T d. watts, amps, and heat content

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