Practical Coal Mining : a Manual for Managers, Under-Managers, Colliery Engineers, And Others
Practical Coal Mining : a Manual for Managers, Under-Managers, Colliery Engineers, And Others
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In our eReader you can find the full English version of the book. Read Practical Coal Mining : a Manual for Managers, Under-Managers, Colliery Engineers, And Others Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Practical Coal Mining : a Manual for Managers, Under-Managers, Colliery Engineers, And Others
What reading level is Practical Coal Mining : a Manual for Managers, Under-Managers, Colliery Engineers, And Others book?
To quickly assess the difficulty of the text, read a short excerpt:
permin., Va=80 ft^* permin. .'. "T""go d^ .M50(^ -60xl5«.-. rf,=/y/?5^^=V90=»-48 in. So that pipes about 9| in. diameter would be suitable for a, 15 in. diameter plunger under the above oonditiona. A practical rule is to make the rising main about } the area of that of the plunger.
Thicknets of Pipes. — The thickness of pipe required will vary according to the pressure to be sustained and the constancy or otherwise of the pressure. If the pressure is uniform, the pipes may be made much lighter ...than where it varies, by the stopping and starting of the water column, as in a single-acting pump.
Similarly, if the water is corrosive the pipes will require to be extra strong.
Pipes are liable to rupture either transversely or longitudinally.
Their strength may be calculated according to the following formula : Rupture longitudinally : P x D = 2
What to read after Practical Coal Mining : a Manual for Managers, Under-Managers, Colliery Engineers, And Others?
You can find similar books in the "Read Also" column, or choose other free books by George L Kerr to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
permin., Va=80 ft^* permin. .'. "T""go d^ .M50(^ -60xl5«.-. rf,=/y/?5^^=V90=»-48 in. So that pipes about 9| in. diameter would be suitable for a, 15 in. diameter plunger under the above oonditiona. A practical rule is to make the rising main about } the area of that of the plunger.
Thicknets of Pipes. — The thickness of pipe required will vary according to the pressure to be sustained and the constancy or otherwise of the pressure. If the pressure is uniform, the pipes may be made much lighter ...than where it varies, by the stopping and starting of the water column, as in a single-acting pump.
Similarly, if the water is corrosive the pipes will require to be extra strong.
Pipes are liable to rupture either transversely or longitudinally.
Their strength may be calculated according to the following formula : Rupture longitudinally : P x D = 2
What to read after Practical Coal Mining : a Manual for Managers, Under-Managers, Colliery Engineers, And Others?
You can find similar books in the "Read Also" column, or choose other free books by George L Kerr to read onlineMoreLess
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