n= ((2400 rpm*15)/20)(15)/30= 1200 rpm
PROBLEMA 2.
n1=(1500 rpm*10)/8= 1875 rpm
n1= (1875rpm*12)/10= 2250 rpm
n1= (2250rpm*15)/17= 1985.29 rpm
n2= (1875rpm*15)/20= 1406.25 rpm
n2= (1406.25*40)/18= 3125 rpm
PROBLEMA 3.
n1= (1520*70)/45= 2364.44 rpm
n2= (1970.30*25)/36= 1368.30 rpm
n3= (2364.44*10)/12= 1970.36 rpm
n4= (1970 *25)/18= 2736.61 rpm
n5= 2364.44*18)/20= 2127.99 rpm
PROBLEMA 4.
n1)
n= 6315 rpm
De= (3.1416)(1.25")(6315 rpm)=24798.94 plg/min
De= 24798.94/36= 688.85 yds/min
De= 24798.94/ 39.37= 629.89 mts/min
n2)
n=(6315 *50)/12= 26312.5 rpm
De= (3.1416)(2.125")(26312.5 rpm)=175659.20 plg/min
De= 175659.20/36= 4879.42 yds/min
De= 175659.20/ 39.37= 4461.75 mts/min
n3)
n=( 26312.5*25)/32= 20556.64 rpm
De= (3.1416)(3.5")(20556.64 rpm)=226023.06 plg/min
De= 226023.06/36= 6278.66 yds/min
De= 226023.06/ 39.37= 5741.22 mts/min
n4)
n=( 20556.64*30)/40= 15417.48 rpm
De= (3.1416)(4.125")(15417.48 rpm)=266394.93 plg/min
De= 266394.93/36= 7399.85 yds/min
De= 266394.93/ 39.37= 6766.44 mts/min
n5)
n=(15417.48 *30)/17= 36276.42 rpm
De= (3.1416)(2.5")(36276.42 rpm)=284914.33 plg/min
De= 284914.33/36= 7914.28 yds/min
De= 284914.33/ 39.37= 7236.83 mts/min
n6)
n=(36276.42*14/30*20/18)= 18809.99 rpm
De= (3.1416)(2.75")(18809.99 rpm)=162502.64 plg/min
De= 162502.64/36= 4514.07 yds/min
De= 162502.64/ 39.37= 4127.56 mts/min
n7)
n=(18809.99*14/30*20/16)= 21161.24 rpm
De= (3.1416)(3.25")(21161.24 rpm)=216059.98 plg/min
De= 216059.98/36= 6001.66 yds/min
De= 216059.98/ 39.37= 5487.93 mts/min
n8)
n=( 21161.24*12)/15= 16928.99 rpm
De= (3.1416)(3.5")(16928.99 rpm)=186143.96 plg/min
De= 186143.96/36= 5170.66 yds/min
De= 186143.96/ 39.37= 4728.06 mts/min
n9)
n=(16928.99*25)/18= 23512.48 rpm
De= (3.1416)(6.125")(23512.48 rpm)=452433 plg/min
De= 452433/36= 12567.59 yds/min
De= 452433/ 39.37= 11491.82 mts/min
n10)
n= (16928.99*25)/36= 11756.24 rpm
De= (3.1416)(3.16")(11756.24 rpm)= 116709.24 plg/min
De= 116709.24/36= 3241.92 yds/min
De= 116709.24/39.37= 2964.41 mts/min
PROBLEMA 5.
n1= (5375*40/80*15/38)= 1060.8 rpm
De= (3.1416)(2.5")(1060.8 rpm)= 8331.5 plg/min
De= 8331.5/36= 231.43 yds/min
De= 8331.5/39.37= 211.6 mts/min
n2)
n= (5375*40)/80= 2687.5 rpm
De= (3.1416)(6.75")( 2687.5rpm)= 56990.4 plg/min
De= 56990.4/36= 1583.06 yds/min
De= 56990.4/ 39.37= 1447.5 mts/min
n3)
n= 5375 rpm
De= (3.1416)(3.5")(5375rpm)=59101.2 plg/min
De= 59101.2 /36= 1641.7 yds/min
De= 59101.2 / 39.37= 1501.1 mts/min
n4)
n= DN/n=( 5375*40)/20= 10750 rpm
De= (3.1416)(3.25")(10750 rpm)=109759.3 plg/min
De= 109759.3/36= 3048.87 yds/min
De= 109759.3/ 39.37= 2787.8 mts/min
n5)
n= DN/n=(5375*40/20*40/30)= 14333.33 rpm
De= (3.1416)(1.5")(14333.33 rpm)=67544.2 plg/min
De= 67544.2/36= 1876.2 yds/min
De= 67544.2/ 39.37= 1715.6 mts/min
n6)
n= DN/n=( 14333.33*40)/18= 31851.84 rpm
De= (3.1416)(6.5")(31851.84 rpm)=650425.7 plg/min
De= 650425.7/36= 18067.3 yds/min
De= 650425.7/ 39.37= 16520.8 mts/min
n7)
n=( 31851.84* 60)/30= 63703.68 rpm
De= (3.1416)(1.125")(63703.68 rpm)=225147.3 plg/min
De= 225147.3/36= 6254 yds/min
De= 225147.3/ 39.37= 5718.7 mts/min
n8)
n= (31851.84*60)/32= 59720.6 rpm
De= (3.1416)(2.375")(59720.6 rpm)=445592.2 plg/min
De= 445592.2/36= 12377.5 yds/min
De= 445592.2/ 39.37= 11318 mts/min
n9)
n= (31851.84*60)/25= 79442.4 rpm
De= (3.1416)(1.25")(79442.4 rpm)=311969.5 plg/min
De= 311969.5/36= 8665.8 yds/min
De= 311969.5/ 39.37= 7924.04 mts/min
n10)
n= (31851.84*60)/36= 53085 rpm
De= (3.1416)(6.5")(53085rpm)= 1084014.3 plg/min
De= 1084014.3/36= 30111.5 yds/min
De= 1084014.3/39.37= 27534 mts/min
