Find the diameter of a piston with an area of 57.02 square inches. Express the answer to the nearest hundredth inch.
A. 8.52
B. 8.78
C. 9.01
D. 9.36
Answer: A
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The following temperatures (in °F) were recorded inside the building of a remote pumping station: 99, 87, 93, 90, and 96. The variance of these readings is closest to: (choose one)
(a) 11.7 (b) 22.5 (c) 31.1 (d) 38.6
Find the ABCD parameters for the circuit in Fig. 19.100.
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Which statement about TDM is true?
A) TDM uses time slots to carry signals instead of frequencies and multiplexes digital signals into the time slots, not analog signals, as with FDM. B) TDM is the most widely used transport protocol in the world-wide communications network. C) TDM rides on all types of media, copper, radio frequencies, and fiber. D) There are two distinct steps in the TDM process, conversion and multiplexing. E) All of the above.
The contactor on most residential split-system condensing units controls:
A) The compressor. B) The compressor and the condenser fan motor. C) The condenser fan motor. D) The compressor, condenser fan motor, and evaporator fan motor.