what is meant by straem lines?

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22216 CC bearing

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What will be the cause of high temperature in one cylinder of D/E?

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[lease send recent question papers of rrb in junior engineer

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how does the lybrinth glands work in sealing a turbine? how exactly turbine sealing is done? principle of it?

0 Answers   GMR,

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Hi all, I am an Mechanical engineer, 2010 pass out, working as a HVAC design Engineer from past 2 years and I am getting pay of 2.5 lpa. I accidentally applied for SBI clerical post and I got selected, I am in a dilemma as to which to choose

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DEAR Friends, If you any of them have previous placement papers or interview papers...plzz forward it to my mail id. "rajeevasv@gmail.com"........... Tank you

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Which is more Elastic Steel or rubber? Plz give the reason also........ mchandan86@gmail.com

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What is the effect of friction on flow of steam through a nozzle ?

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define batching plant

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what is heat treatment and why is it done?

0 Answers   Bechtel,

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2. Dry saturated steam at 3.5 bar is expanded through a convergent nozzle to 2.2 bar. The exit area is 5 sq. cm. Calculate the exit velocity and mass flow rate, assuming isentropic expansion and super saturated flow. b) A cast iron cylinder head is fastened to a cylinder of 750mm bore with 12 stud bolts. The maximum pressure inside the cylinder is 3 Mpa. The stiffness of part is thrice the stiffness of the bolt. What should be the initial tightening load so that the point is leak proof at maximum pressure? Also choose a suitable bolt for the above application 2 The propeller shaft of a marine engine is to transmit 600 kW at 1200 rpm, without a significant bending. The efficiency of the propeller is 88% at 32 knots ( 1 knot = 1085 km/hr). If the slenderness ratio is less than 50 and the permissible shear stress should not exceed 65 Mpa. Determine the diameter of shaft. 3 A semi-elliptic leaf spring consists of two extra full-length leaves and six graduated length leaves, including the master leaf. Each leaf is 7.2 mm thick and 65 mm wide. The centre-to-centre distance between the two eyes is 1.3m. The leaves are pre-stressed in such a way that when the load is maximum, stress induced in all leaves are equal to 380 N/mm sq. Determine the maximum force that the spring can withstand

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