Electric heaters are ____% efficient, but given the cost of electricity and the fact that most of the source energy is coal, they are not a very green solution unless powered by renewable energy.
A. 75
B. 84
C. 93
D. 100
Answer: D
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Answer the following statement(s) true (T) or false (F)
1. The wiring diagrams show the circuit in its simplest form. 2. The ladder diagram, also referred to as a schematic or elementary diagram, is used by the electrician or technician to speed their understanding of how a circuit works. 3. Devices or components are shown in order of importance whenever possible in a ladder diagram. 4. Logic gates can be combined to create very complicated control logic. 5. By combining two NOT gates and an AND gate, we get a NAND gate.
During the term of a labor contract, disputes are resolved by
a. the union, which goes on strike. b. the union members, who vote on the issue. c. the National Labor Relations Board. d. the grievance procedure. e. management.
In pigs, _____________________ areas indicate the overall amount of muscle in a carcass.
Fill in the blank(s) with the appropriate word(s).
Refer to Exercise 8.
a. Assume that P = 224.51 ± 0.04 kPa and V = 11.237 ± 0.002 L. Estimate T, and find the relative uncertainty in the estimate. b. Assume that P = 224.51 ± 0.04 kPa and T = 289.33 ± 0.02 K. Estimate V, and find the relative uncertainty in the estimate. c. Assume that V = 11.203 ± 0.002 L and T = 289.33 ± 0.02 K. Estimate P, and find the relative uncertainty in the estimate.