 | Great Britain. Education Department. Department of Science and Art - 1877 - 562 стор.
...press, and show, by the aid of a diagram, the mechanical principle on which it is constructed. [30]. 28. A pump is worked directly from the ram of a water-pressure...which is 6 inches in diameter, that of the pump being &# inches. The head of water in the supply pipe which gives the power is 450 feet, and that in the... | |
 | Thomas Minchin Goodeve - 1883 - 368 стор.
...break with the torsion produced by 800 Ibs. acting at the end of a 12-inch lever. Ans. 9-5 inches. 19. A pump is worked directly from the ram of a water-pressure...power is 450 feet, and that in the delivery pipe is 150 feet ; find the ratio of work done to power expended. Ans. 70-9 per ant. 20. A bar of wood 7 feet... | |
 | Thomas Minchin Goodeve - 1883 - 366 стор.
...with the torsion produced by 800 Ibs. acting at the end of a 12-inch lever. Ans. §•$ inches. 19. A pump is worked directly from the ram of a water-pressure...power is 450 feet, and that in the delivery pipe is 150 feet ; find the ratio of work done to power expended. Ans. 70*9 percent. 20. A bar of wood 7 feet... | |
 | Thomas Minchin Goodeve - 1887 - 368 стор.
...break with the torsion produced by 800 Ibs. acting at the end of a 12-inch lever. Ans. 9-5 inches. 19. A pump is worked directly from the ram of a water-pressure...which is 6 inches in diameter, that of the pump being 8f inches. The head of water in the supply pipe which gives the power is 450 feet, and that in the... | |
 | Thomas Minchin Goodeve - 1887 - 372 стор.
...break with the torsion produced by 800 Ibs. acting at the end of a i2-inch lever. Ans. 9-5 inches. 19. A pump is worked directly from the ram of a water-pressure...which is 6 inches in diameter, that of the pump being 8$ inches. The head of water in the supply pipe which gives the power is 450 feet, and that in the... | |
 | Thomas Minchin Goodeve - 1889 - 368 стор.
...the cylinder of which is 6 inches in diameter, that of the pump being 8| inches. The head of wa'er in the supply pipe which gives the power is 450 feet, and that in the delivery pipe is 150 feet ; find the ratio of work done to power expended. Ans. 70-9 per cent. 20. A bar of wood 7 fcet... | |
 | Andrew Jamieson - 1895 - 446 стор.
...Note.— A. cubic foot of air at 50° F. weighs '078 Ib. (Adv. S. & A. Exam., 1892.) Ans. 40'18. 9. A pump is worked directly from the ram of a water-pressure...the pump being 8J inches. The head of water in the supply-pipe which gives the pressure is 450 feet, and that in the delivery pipe is ISO feet : find... | |
 | Andrew Jamieson - 1895 - 448 стор.
...(Adv. S. & A. Exam., 1892.) Ans. 40-18. 9. A pump is worked directly from the ram of a water- pressure engine, the cylinder of which is 6 inches in diameter, that of the pump being 8 j inches. The head of water in the supply-pipe which gives the pressure is 450 feet, and that in... | |
 | Andrew Jamieson - 1896 - 498 стор.
...Nott. — A cubic foot of air at 50° F. weighs -078 Ib. (Adv. 8. 4 A. Exam., 1892.) Ans. 40-18. 9. A pump is worked directly from the ram of a water-pressure...which is 6 inches in diameter, that of the pump being 8} inches. The head of water in the supply-pipe which gives the pressure is 450 feet, and that in the... | |
 | Andrew Jamieson - 1903 - 584 стор.
...as estimated in horse.power? Note. — A cubic foot of air at 50' F. weighs '078 Ib. Ans. 40.18. 9. A pump is worked directly from the ram of a water.pressure...which is 6 inches in diameter, that of the pump being Sjj inches. The head of water in the supply.pipe which gives the pressure is 450 feet, and that in... | |
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Ans. 40'18. 9. A pump is worked directly from the ram of a water-pressure engine, the cylinder of which is 6 inches in diameter, that of the pump being 8J inches. The head of water in the supply-pipe which gives the pressure is 450 feet, and that in the... 
