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
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)
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).
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