In order to permit the emergence of the maximum number of photons in an LED, the conducting surface _____.
a. is given a forward bias
b. is given a reverse bias
c. connected to the P-type material is much smaller
d. connected to the N-type material is much smaller
c. connected to the P-type material is much smaller
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Which of the following is true of drain wires in fire alarm and instrumentation cable?
a. They should be twisted. b. They should be No. 24 AWG or smaller. c. Only one end is typically grounded. d. They should be taped back on both ends.
Needco Supplies-Canada employee Stella Needleson was asked to determine if the current process of dying writing paper should be retained or a new, environment friendly process should be implemented. Estimates or actual values for the two processes are summarized below. She performed an after-tax replacement analysis at 10% per year and the corporation’s effective tax rate of 32% to determine that economically, the new process should be chosen. Was she correct? Why or why not? (Note: Canadian tax law does not impose the half-year convention requirement. Monetary units are in Canadian dollars.)
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If a refrigeration system is operating with two evaporators (one medium temperature and one low temperature), there should be a(n) ______________________________ installed at the outlet of the low temperature evaporator and a(n) ______________________________ installed at the outlet of the medium temperature evaporator.
Fill in the blank(s) with the appropriate word(s).
Which tool could be used on Ford OBD I systems to retrieve DTCs if the STAR tester is NOT available?
A) Continuity tester B) Analog voltmeter C) Digital voltmeter D) None of these is correct