±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 772  |  »Ø¸´: 4
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

leidanyun

ľ³æ (ÕýʽдÊÖ)

[ÇóÖú] ÓйرõļÆËãÌâ

A pump is used to lift water( ¦Ñ=62.4lb•ft-3,¦Ì=1.0cp) from one tank to the other at a rate of 12 ft3•min-1. If the pipe diameter is 4 in, calculate the horsepower to run the pump.ÆÚÄ©¿¼ÊÔÌ⣬²»»á×ö£¬Çó´óÉñ°ïÖú~~~
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

scu2020

ÈÙÓþ°æÖ÷ (ÖªÃû×÷¼Ò)

ŬÁ¦Å¬Á¦

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
Õâ¸öÊÇ´«µÝÏÖÏóÉϵÄÌâ°É£¿ÄǸöµ¥Î»ºÜÄÑÊÜ
ÓÐÄǸö´ð°¸£¬Â¥Ö÷¿ÉÒÔËÑÏÂ
4Â¥2013-06-11 16:45:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 5 ¸ö»Ø´ð

roger.teng

½ð³æ (СÓÐÃûÆø)

¡ï
threight: ½ð±Ò+1, лл·ÖÏí£¡ 2013-06-12 11:56:27
ȱÉÙelevation of destination
2Â¥2013-06-11 12:43:45
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

leidanyun

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by roger.teng at 2013-06-11 12:43:45
ȱÉÙelevation of destination

ÒѾ­×ö³öÀ´£¬»¹ÊÇллÀ²
3Â¥2013-06-11 15:11:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

leidanyun

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
4Â¥: Originally posted by scu2020 at 2013-06-11 16:45:42
Õâ¸öÊÇ´«µÝÏÖÏóÉϵÄÌâ°É£¿ÄǸöµ¥Î»ºÜÄÑÊÜ
ÓÐÄǸö´ð°¸£¬Â¥Ö÷¿ÉÒÔËÑÏÂ

ÒѾ­×ö³öÀ´À² лл
5Â¥2013-06-12 08:13:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 295Çóµ÷¼Á +5 1428151015 2026-03-27 6/300 2026-03-28 04:04 by fmesaito
[¿¼ÑÐ] Çóµ÷¼Á +6 °×QF 2026-03-21 7/350 2026-03-28 00:42 by °×QF
[¿¼ÑÐ] 266·ÖÇó²ÄÁÏ»¯¹¤Ò±½ð¿óÒµµÈרҵµÄµ÷¼Á +4 ÍÛºôºßºôºß 2026-03-26 4/200 2026-03-27 17:02 by zhyzzh
[¿¼ÑÐ] 07»¯Ñ§280·ÖÇóµ÷¼Á +10 722865 2026-03-23 10/500 2026-03-27 15:51 by Plutoqq
[¿¼ÑÐ] 279 ·Ö Çóµ÷¼Á +4 ˯¸öºÃ¾õ_16 2026-03-24 4/200 2026-03-27 15:05 by ×íÔÚ·çÀï
[¿¼ÑÐ] 308Çóµ÷¼Á +7 īīĮ 2026-03-25 7/350 2026-03-27 14:47 by ¿ñìÅÂóµ±µ±
[¿¼ÑÐ] 334Çóµ÷¼Á +3 ÓêÇåÌìÇç 2026-03-21 3/150 2026-03-27 11:30 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 0703»¯Ñ§/290Çóµ÷¼Á/±¾¿Æ¾­Àú·á¸»/¹¤¿ÆÒ²¿É +7 µ¤ÇàÄÌ¸Ç 2026-03-26 8/400 2026-03-27 11:24 by µ¤ÇàÄ̸Ç
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤¿¼Ñе÷¼Á +16 ‹üÈA 2026-03-22 16/800 2026-03-27 11:23 by ÍõЦÓîÒ»¶¨ÊÇÑо
[¿¼ÑÐ] 0703»¯Ñ§338Çóµ÷¼Á£¡ +6 Zuhui0306 2026-03-26 7/350 2026-03-27 10:35 by shangxh
[¿¼ÑÐ] ²ÄÁÏѧ˶333Çóµ÷¼Á +8 ±±µÀÏï 2026-03-24 8/400 2026-03-27 10:18 by ÎÒÊÇС¿µ
[¿¼ÑÐ] 324Çóµ÷¼Á +4 wysyjs25 2026-03-21 4/200 2026-03-26 20:38 by fmesaito
[¿¼ÑÐ] 279Çóµ÷¼Á +6 ºìÒÂÒþ¹Ù 2026-03-21 6/300 2026-03-26 18:32 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 284Çóµ÷¼Á +15 Zhao anqi 2026-03-22 15/750 2026-03-25 12:51 by wht0531
[¿¼ÑÐ] 086003ʳƷ¹¤³ÌÇóµ÷¼Á +6 íµíµ111 2026-03-24 6/300 2026-03-25 10:29 by 3Strings
[¿¼ÑÐ] 318Çóµ÷¼Á +3 plumÀî×Ó 2026-03-23 3/150 2026-03-25 09:42 by ÎíÉ¢ºóÏàÓölc
[¿¼ÑÐ] Ò»Ö¾Ô¸ÎäÀí085500»úеרҵ×Ü·Ö300Çóµ÷¼Á +3 an10101 2026-03-24 7/350 2026-03-25 00:00 by ɽ¹í0-
[¿¼ÑÐ] Ò»Ö¾Ô¸ºÓ±±¹¤Òµ´óѧ0817»¯¹¤278·ÖÇóµ÷¼Á +7 jhybd 2026-03-23 12/600 2026-03-24 09:03 by jhybd
[¿¼ÑÐ] 284Çóµ÷¼Á +3 yanzhixue111 2026-03-23 6/300 2026-03-23 22:58 by pswait
[¿¼ÑÐ] 333Çóµ÷¼Á +3 ALULU4408 2026-03-23 3/150 2026-03-23 19:04 by macy2011
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û