Technician A says that pressure testing involves injecting pressurized air into engine block water and oil passages. Technician B says that one pressure testing method involves injecting heated water and a dye into engine block water and oil passages. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
C
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True or false? We can make soil by mixing its components together
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What were the drawbacks of the external combustion engine?
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Even by the end of the 1948 presidential campaign, almost everyone expected Governor Thomas Dewey to win because
A. the Republicans had finally united their northeastern internationalist and midwestern isolationist wings. B. Truman had run a listless and defensive campaign. C. Dewey was such a charming and charismatic candidate. D. President Truman seemed unpopular and the Democrats had split three ways. E. the Republicans had developed a stronger and more progressive domestic platform.
A new 3 phase, 60 Hz, 200 mile transmission line is to be built using Bluebird conductor. Bluebird conductor has an outside diameter of 1.762 inches; stranding of 84/19 (Al/St) yields a GMR for the conductor of 0.0588 feet. Resistance for each conductor is 0.0505 ?/mile. Bundling is to be used, with the three conductors per phase spaced symmetrically 1 feet apart. A horizontal tower configuration is used, with a distance of 20 feet between adjacent phases (i.e., 20 feet between the left and center phases, 20 feet between the center and right phases, and hence 40 feet between the left and right phases). Assuming that the line is uniformly transposed, draw the medium length ?-equivalent circuit for the line, showing the value of all parameters. For reference ?0 = 4? x 10-7 H/m and ?0
= 8.854 x 10-12 F/m. There are 1609 meters per mile. What will be an ideal response?