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The Figure shown below is a parallel pipeline system with two branches used to supply lubricating water to the bearings. The main line and two branches use the same size of pipes. The pressures at section 1 and section 2 are   and  ,  respectively. The resistance coefficents for two bearings are  and  .  The cross section areas of two branch pipes are  .  The engergy loss caused by friction can be ignored. The engergy loss cuased by one bend is .

The Figure shown below is a parallel pipeline system with two branches used to supply lubricating water to the bearings. The main line and two branches use the same size of pipes. The pressures at section 1 and section 2 are   and  ,  respectively. The resistance coefficents for two bearings are  and  .  The cross section areas of two branch pipes are  .  The engergy loss caused by friction can be ignored. The engergy loss cuased by one bend is .

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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  1. The Figure shown below is a parallel pipeline system with two branches used to supply lubricating water to the bearings. The main line and two branches use the same size of pipes. The pressures at section 1 and section 2 are   and  ,  respectively. The resistance coefficents for two bearings are  and  .  The cross section areas of two branch pipes are  .  The engergy loss caused by friction can be ignored. The engergy loss cuased by one bend is .

    (1)  Select the simplified general energy equations for section 1 and 2_________

     

      A.

     
      B.

     
      C.

     
      D.

     
The Figure shown below is a parallel pipeline system with two branches used to supply lubricating water to the bearings. The main line and two branches use the same size of pipes. The pressures at section 1 and section 2 are p₁=398.1kPa and p₂=300kPa, 2 1 respectively. The resistance coefficents for two bearings are K₁=5 and K₂=12. The cross = 1.5x 10-4m². The engergy loss caused section areas of two branch pipes are A_=A₁ = by friction can be ignored. The engergy loss cuased by one bend is h₂ = 0.2 m. (1) Select the simplified general energy equations for section 1 and 2 K₁ OA h₁ 7 P₁-P₂ 2 7 P₁ h. = + P2 1 49.43 = L 1 2g Y K₂ 2g P₂
Transcribed Image Text:The Figure shown below is a parallel pipeline system with two branches used to supply lubricating water to the bearings. The main line and two branches use the same size of pipes. The pressures at section 1 and section 2 are p₁=398.1kPa and p₂=300kPa, 2 1 respectively. The resistance coefficents for two bearings are K₁=5 and K₂=12. The cross = 1.5x 10-4m². The engergy loss caused section areas of two branch pipes are A_=A₁ = by friction can be ignored. The engergy loss cuased by one bend is h₂ = 0.2 m. (1) Select the simplified general energy equations for section 1 and 2 K₁ OA h₁ 7 P₁-P₂ 2 7 P₁ h. = + P2 1 49.43 = L 1 2g Y K₂ 2g P₂
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