What do the blocks in a block flow diagram represent?

A. The order of the steps in a process
B. Sections of a process
C. Path of the process
D. Sequence of the process


A. Incorrect. Block flow diagrams use blocks to represent sections of a process.
B. Correct. Block flow diagrams use blocks to represent sections of a process.
C. Incorrect. Block flow diagrams use blocks to represent sections of a process.
D. Incorrect. Block flow diagrams use blocks to represent sections of a process.

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What is the role or usefulness of reflected and diffracted radio signals in a cellular system? Explain with suitable examples.

What will be an ideal response?

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Oxygen gas expands in a flexible container following a relationship of PV1.15 = constant. The mass of the oxygen is 1.75 lbm, and initially the pressure and temperature of the oxygen is 150 psi and 150oF, respectively. The expansion continues until the volume is double the original volume. Determine the final pressure and temperature of the oxygen, and the work done by the oxygen during the expansion.

Given: m = 1.75 lbm; T1 = 150oF = 610 R; P1 = 150 psi = 21,600 lbf/ft2; V2 = 2V1; PV1.15 = constant. What will be an ideal response?

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____ are those in which a change may be made without requiring requalification of the procedure.

A. Essential variables B. Nonessential variables C. Code parameters D. WPS parameters

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Foreign trade enhancements include

A) Instituting quotas on food imports. B) Reducing tariffs on food imports. C) Increasing the value of the dollar. D) None of the above.

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