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BARC & GATE Question series via Concepts Presented by Deep sangeet Maity
About ME Working as a Design engineer at "Cameron Manufacturing India Pvt Limited (A Schlumberger Company)". . Currently working as "GATE content editor and developer" at "Kreatryx" .Qualified GATE "3" times Qualified "Gate 2018 with 99.4 percentile 779(75.26 marks) gate score" in mechanical stream Qualified "Gate 2017 with 98.83 percentile 726(70 marks) gate score" in mechanical stream I also have an 3+ years of experience of teaching Engineering subjects like Engineering mechanies, Thermodynamies, SOM, HMIT Ex-CADD Engineer at "CADD CENTRE". Passed B.E. with honours with 76.71%. I am pursuing my MTech in Thermal I have an 2.5+ years of experience as a CADD Engineer. . Ialso have worked for "CAD ACADEMY" as a Design engineer for 1 year.
Q.4 A reservoir connected to a pipe line is being filled with water, as shown in the Figure. At any time t, the free surface level in the reservoir is h. Find the time in seconds for the reservoir to get filled up to a height of 1 m, if the initial level is 0.2 m. Dia 0.5 m 2 m/s Dia 0.1 m 1 mls
2 h2-1m h, = initial level 0-2 Co Dia 0.lm. The heigt ar Dia. frm h' tohe in time t.
2-4 At (inu) m' P' xo.,L x 9, P' xo_x 2-:@
21 4 + 20 seconds Ane
Q.1 The Darcy friction factor f for a smooth pipe is given by f 64/Re for laminar flow and by f 0.3/Re025 for turbulent flow, where Re is the Reynolds number based on the diameter. For fully developed flow of a fluid of density 1000 kg/m and dynamic viscosity 0.001 Pa.s through a smooth pipe of diameter 10 mm with a velocity of 1 m/s, determine the Darcy friction factor.
Sol G 4 Laminar Re 03 . 25 Reo C isuesi m 2 Frst calculate Re and check He So, "We will Use -to cal cnlate (Re If =0.03)
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