±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 778  |  »Ø¸´: 4

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

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

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

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
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ leidanyun µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁÏÇóµ÷¼Á Ò»Ö¾Ô¸¹þ¹¤´ó×Ü·Ö298·Ö£¬Ç°Èý¿Æ223·Ö +5 dongfang59 2026-03-27 5/250 2026-03-28 04:53 by wxiongid
[¿¼ÑÐ] »¯Ñ§µ÷¼Á +4 °®³Ô·¬ÇѵÄÐñ 2026-03-24 5/250 2026-03-27 17:50 by kiokin
[¿¼ÑÐ] 085600£¬²ÄÁÏÓ뻯¹¤321·Ö£¬Çóµ÷¼Á +9 ´ó²öС×Ó 2026-03-27 9/450 2026-03-27 14:30 by mmm just
[¿¼ÑÐ] 22408 359·Öµ÷¼Á +3 Qshers 2026-03-27 3/150 2026-03-27 12:22 by wxiongid
[¿¼ÑÐ] Çóµ÷¼Á +3 Áõ¿Â@ 2026-03-24 4/200 2026-03-27 11:28 by shangxh
[¿¼ÑÐ] ²ÄÁÏÇóµ÷¼Á +8 @taotao 2026-03-21 8/400 2026-03-27 11:21 by wangjy2002
[¿¼ÑÐ] 284Çóµ÷¼Á +11 junqihahaha 2026-03-26 12/600 2026-03-27 04:37 by wxiongid
[¿¼ÑÐ] 341Çóµ÷¼Á +7 ÇàÄûÃÊ1 2026-03-26 7/350 2026-03-27 00:19 by wxiongid
[¿¼ÑÐ] »¯Ñ§¹¤³Ì085602 305·ÖÇóµ÷¼Á +17 RichLi_ 2026-03-25 17/850 2026-03-26 19:44 by plmuchong
[¿¼ÑÐ] »úеѧ˶310·Ö£¬ÊýÒ»Ó¢Ò»£¬Ò»Ö¾Ô¸211±¾¿ÆË«·ÇÕÒµ÷¼ÁÐÅÏ¢ +3 @357 2026-03-25 3/150 2026-03-26 16:34 by by.MENG
[¿¼ÑÐ] 085602 289·ÖÇóµ÷¼Á +8 WWWÎ÷Î÷¸¥Ë¹ 2026-03-24 8/400 2026-03-26 16:33 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] ²ÄÁÏ277Çóµ÷¼Á +5 min3 2026-03-24 5/250 2026-03-26 15:13 by zzll406
[¿¼ÑÐ] ѰÕÒµ÷¼Á +5 ¾óǿâ? 2026-03-21 8/400 2026-03-26 13:25 by 0906ljy
[¿¼ÑÐ] 299Çóµ÷¼Á +4 15188958825 2026-03-25 4/200 2026-03-25 22:56 by 418490947
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤328·Öµ÷¼Á +6 ¡££¬¡££¬¡££¬¡£i 2026-03-23 6/300 2026-03-25 22:30 by 418490947
[¿¼ÑÐ] 289²ÄÁÏÓ뻯¹¤£¨085600£©BÇøÇóµ÷¼Á +4 ÕâôÃû×ÖÕ¦Ñù 2026-03-22 5/250 2026-03-25 08:20 by mx.yue
[¿¼ÑÐ] 340Çóµ÷¼Á +5 »°Ã·ÌÇ111 2026-03-24 5/250 2026-03-25 06:53 by ilovexiaobin
[¿¼ÑÐ] ʳƷר˶ һ־Ը˫һÁ÷ 328 +3 xiaom99 2026-03-21 4/200 2026-03-24 21:20 by lailaisimei
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á£¬Çóµ¼Ê¦ÊÕ +7 ÌìÌìºÃÔËÀ´Éϰ¶° 2026-03-24 7/350 2026-03-24 20:26 by peike
[¿¼ÑÐ] ¹¤¿Æ0856Çóµ÷¼Á +5 ãåÎö͡͡ 2026-03-21 5/250 2026-03-23 17:56 by º£ÉªÞ±-
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û