Darcy Weisbach equation is O a: hefL?/2gv O b: hr-fLD?/2gv Oc hr-fL?v/2gD Od: hefLv/2gD A flow in which each liquid particle does not have a definite path and the paths of individual particles also cross each other, is called turbulent flow. O a: True O b: False Under otherwise uniform conditions Fanning friction factor for a rough pipe is? Oa: greater than that for a smooth pipe Ob: smaller than that for a smooth pipe Oc: equal to that for a smooth pipe Which of the following is wrong!! 1. i) Glass and plastics pipes have less friction loss 2. ii) Cast iron, steel pipes have high friction loss O a: Only i) O b: Only i) Oc: Both are wrong O d: Both i) and ii) Minor losses do not make serious effects in O a: Short pipes O b: Long pipes Oc: Both the pipes O d: None of these

Darcy Weisbach equation is O a: hefL?/2gv O b: hr-fLD?/2gv Oc hr-fL?v/2gD Od: hefLv/2gD A flow in which each liquid particle does not have a definite path and the paths of individual particles also cross each other, is called turbulent flow. O a: True O b: False Under otherwise uniform conditions Fanning friction factor for a rough pipe is? Oa: greater than that for a smooth pipe Ob: smaller than that for a smooth pipe Oc: equal to that for a smooth pipe Which of the following is wrong!! 1. i) Glass and plastics pipes have less friction loss 2. ii) Cast iron, steel pipes have high friction loss O a: Only i) O b: Only i) Oc: Both are wrong O d: Both i) and ii) Minor losses do not make serious effects in O a: Short pipes O b: Long pipes Oc: Both the pipes O d: None of these

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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2- Find an expression for the average velocity in a smooth pipe if it depends on the viscosity, the diameter, and the pressure gradient dp/dx.
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I was wondering in the hydrodynamics how i can determine Cp in the pressure ressistance (coefficient pressure). so the total ressistance will be Rt= Rf+Rp. Given in Coefficients it will be: Ct=Cf+Cp now they say Cp in % of the friction coefficient (Cf). Ct=(1+k)*Cf with 1+k the formfactor. so the total ressistance will be Ct=Cd*1/2*ρ *v^2*S (wetted area m^2, v= velocity in m/s and ρ= 1025 kg/m3 for salt water) kan you explain me how to calculate the Cd in the total resisstance?
20 of 25 Answer: AT = i A solid 0.67-in.-diameter cold-rolled steel rod is pinned to fixed supports at A and B. The length of the rod is L = 23 in., its elastic modulus is E = 29000 ksi, and its coefficient of thermal expansion is a = 7.5 x 10-6 in./in./°F. Determine the temperature increase AT that will cause the rod to buckle. - /2 L -NM ||| B