Books Science Nature Oil Tank Tables: How To Calculate Them (Classic Reprint)

Oil Tank Tables: How To Calculate Them (Classic Reprint).pdf

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Read online or download a free book: Oil Tank Tables: How To Calculate Them (Classic Reprint)

Pages: 40

Language: English

Publisher: Forgotten Books (31 July 2016)

By: Edwin Squire (Author)

Book format: pdf doc docx mobi djvu epub ibooks (*An electronic version of a printed book that can be read on a computer or handheld device designed specifically for this purpose.)

Excerpt from Oil Tank Tables: How to Calculate Them

With a gauge pole, graduated to feet and inches, and fractions of inches, measure the slant depth of the tank inside. Next drive a nail in back of gauge pole, so that when the pole hangs on outside of tank, with the nail resting on top of stave, the bottom of pole will come just to level of bottom of tank (inside). It is necessary to get the circumference of the tank at 0'-6 and at l' 2' 3' etc. It is usually sufficient to measure the circumference only at every two feet, and interpolate the other circumference measurements. Now with the gauge pole suspended as noted above, observe at what points it is practicable to measure circumferences. In many instances it will be necessary to make the actual measurements a few inches above or below the regular working points - and afterwards calculate the circumferences at the regular points. When you have fixed upon the points where you will measure, drive nails at each of such points. Four or more vertical rows of nails should be thus driven at about equal distances apart around the tank: the use of nails being to keep the tape line horizontal while measuring around the tank. If the tank is clean on the outside and not too large chalk marks may take the place of the rows of nails. Next hook the ring of the steel tape line over a nail at 0'-6 above bottom of tank, and then carry the tape around the tank at the same level. Make sure that the tape line is horizontal, and tight, then note the circumference in feet and hundredths. Next raise the tape to 2'-6 and note the measurement as before, and so on to the top: taking a measurement at every two feet if practicable. It is desirable to have measurements taken at intervals not exceeding two feet, because the taper is often somewhat irregular. Next note the thickness of the staves measuring enough of them so as to get a fair average of the whole. Next note any deadwood, such as timbers or pipes inside the tank, which will reduce its capacity. Beginning at the bottom note deadwood thus.

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