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A 3-stage compressor powers a cylinder that consumes 8.5 SCFM with 150 psig supply. What will be the Hp of the motor?

A 3-stage compressor powers a cylinder that consumes 8.5 SCFM with 150 psig supply. What will be the Hp of the motor?

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A 3-stage compressor powers a cylinder that consumes 8.5
SCFM with 150 psig supply. What will be the Hp of the motor? Use a safety factor of 2. Answer: 3.23 HP

1-Stage Compressor PSI HP* 5 10 15 20 25 30 5445 35 40 45 50 55 65 70 75 80 85 90 95 100 110 120 130 140 150 160 170 180 190 200 021 .040 056 .067 .079 .095 .099 .107 .116 123 .130 .136 143 .148 .155 .160 .166 .170 .175 .179 .188 .196 204 211 218 1.225 232 239 244 250 2-Stage Compressor PSI HP* 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 350 400 450 500 116 128 .138 148 .156 .164 .171 178 185 .190 196 201 206 .211 216 220 224 .228 232 236 239 .243 .246 3-Stage Compressor PSI HP* 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 1150 1200 1250 1300 1350 1400 250 .253 .255 .269 282 293 .303 *HP to compress 1 SCFM from 0 PSI to the values shown. 1450 1500 1550 2159 .190 212 .230 245 258 269 .279 .289 .297 .305 .311 317 323 329 335 .340 .345 .350 354 .358 362 .366 .370 1374 .378 .380 .383 .386 .390
Transcribed Image Text:1-Stage Compressor PSI HP* 5 10 15 20 25 30 5445 35 40 45 50 55 65 70 75 80 85 90 95 100 110 120 130 140 150 160 170 180 190 200 021 .040 056 .067 .079 .095 .099 .107 .116 123 .130 .136 143 .148 .155 .160 .166 .170 .175 .179 .188 .196 204 211 218 1.225 232 239 244 250 2-Stage Compressor PSI HP* 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 350 400 450 500 116 128 .138 148 .156 .164 .171 178 185 .190 196 201 206 .211 216 220 224 .228 232 236 239 .243 .246 3-Stage Compressor PSI HP* 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 1150 1200 1250 1300 1350 1400 250 .253 .255 .269 282 293 .303 *HP to compress 1 SCFM from 0 PSI to the values shown. 1450 1500 1550 2159 .190 212 .230 245 258 269 .279 .289 .297 .305 .311 317 323 329 335 .340 .345 .350 354 .358 362 .366 .370 1374 .378 .380 .383 .386 .390
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