Practical Notes On Hydraulic Mining
Practical Notes On Hydraulic Mining
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To quickly assess the difficulty of the text, read a short excerpt:
35. 1511 X H - 31 - Where h = head of water.
Q = quantity of water in cubic feet per minute.
W = weight of water in pounds. H ^effective horse-power.
Example: what horse-power is obtainable from an undershot wheel, with about 35 per cent efficiency, using 1500 cubic feet per minute, with a head of 2 feet? Answer: H=. 00066X1500X2=1. 98 H. P. , or Q = s ~ =1496 cubic feet per minute.
Breast Wheels. The following calculations will ex- plain how to arrive at the effective horse-power of breast whe...els: Low breast wheels : H =. 00104 Q X h.
961 X H H _WXh ^ " ~"h~ r ' * ' "33000" High breast wheels: H = . 00108 Q X h. ^ 928 X H WXh -_ n -hT- r ' H = : ^3000 Where Q=quantity of water in cubic feet per minute.
h = head of water in feet. H = effective horse-power. W = weight of water in pounds. Example I. A breast wheel 16 feet in diameter, using 1500 cubic feet of water per minute, under an 8-foot head, what will be the horse-power of the Q h wheel? Answer: H=. 00104X1500X8=12. 48 H. P. Example 2.
What to read after Practical Notes On Hydraulic Mining?
You can find similar books in the "Read Also" column, or choose other free books by George H Evans to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
35. 1511 X H - 31 - Where h = head of water.
Q = quantity of water in cubic feet per minute.
W = weight of water in pounds. H ^effective horse-power.
Example: what horse-power is obtainable from an undershot wheel, with about 35 per cent efficiency, using 1500 cubic feet per minute, with a head of 2 feet? Answer: H=. 00066X1500X2=1. 98 H. P. , or Q = s ~ =1496 cubic feet per minute.
Breast Wheels. The following calculations will ex- plain how to arrive at the effective horse-power of breast whe...els: Low breast wheels : H =. 00104 Q X h.
961 X H H _WXh ^ " ~"h~ r ' * ' "33000" High breast wheels: H = . 00108 Q X h. ^ 928 X H WXh -_ n -hT- r ' H = : ^3000 Where Q=quantity of water in cubic feet per minute.
h = head of water in feet. H = effective horse-power. W = weight of water in pounds. Example I. A breast wheel 16 feet in diameter, using 1500 cubic feet of water per minute, under an 8-foot head, what will be the horse-power of the Q h wheel? Answer: H=. 00104X1500X8=12. 48 H. P. Example 2.
What to read after Practical Notes On Hydraulic Mining?
You can find similar books in the "Read Also" column, or choose other free books by George H Evans to read onlineMoreLess
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