A data transmission system does not require ________
A) a receiving device B) a monitoring station
C) a sending device D) a transmission medium
B
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Si un servicio recibe suministro de instalaciones subterráneas, se denomina servicio:
a. de canalización. b. subterráneo. c. de bajada. d. lateral.
If a source says “the internal energy of the methane is U = 100 J/mol,” which of the following is true?
A. In order to lower the temperature of the methane to absolute zero, you would have to remove 100 joules of heat from each mole of methane. B. In order to convert the methane from its current state to the reference state, 100 joules of heat would need to be added to each mole of methane. C. In order to convert the methane from its current state to the reference state, 100 moles of energy would need to be added to each mole of methane, but the energy added could take the form of either work or heat. D. 100 joules, divided by the number of molecules in one mole, equals the average kinetic energy of the methane molecules, but the kinetic energy of individual molecules vary widely. E. None of the above are true.
From the following data for a PPP project, calculate the (a) conventional, and (b) modified benefit/ cost ratios using an interest rate of 6% per year and an infinite project period.
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What are the main advantages of modern helical gearboxes?
What will be an ideal response?