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1
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1.5k
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1
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Write short note on Model testing in centrifugal pumps.
mechanical utility system updated 4.3 years ago by krithikkm200 • 10
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22k
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Define NPSH, Thoma's cavitation factor and suction specific speed of the pump. Explain NPSHA and NPSHR w.r.t cavitation in pump using a neat sketch
mechanical utility system updated 4.4 years ago by phenjoisilab • 0
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895
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Explain Cavitation effect.
mechanical utility system applied hydraulics updated 4.4 years ago by krithikkm200 • 10
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1
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9.4k
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What are the methods of energy conservation in compressed air systems.
mechanical utility system updated 5.5 years ago by teamques10 ★ 70k
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1
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1.5k
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1
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What is the basic criteria in selecting the piping network in compressed air system?
mechanical utility system updated 5.5 years ago by teamques10 ★ 70k
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1
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1.3k
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1
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Write down a note on Leak detection in compressed air network.
mechanical utility system updated 5.5 years ago by teamques10 ★ 70k
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3.5k
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1
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What are the applications compressed air in the industry?
mechanical utility system updated 5.5 years ago by teamques10 ★ 70k
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1
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12k
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1
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Write down Energy Conservation Opportunities in Pumping Systems (OR) State few methods of improving efficiency of pumping system..
mechanical utility system updated 5.5 years ago by teamques10 ★ 70k
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1
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3.8k
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1
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Write a short note on Model testing in centrifugal pumps.
mechanical utility system updated 5.5 years ago by teamques10 ★ 70k
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1
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1.5k
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1
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Write short note on Trouble shooting in centrifugal pumps .
mechanical utility system updated 5.5 years ago by teamques10 ★ 70k
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2.6k
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1
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Differentiate between Centrifugal pumps and Reciprocating pumps
mechanical utility system updated 5.5 years ago by teamques10 ★ 70k
3
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1
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15k
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The impeller of a centrifugal pump having external and internal diameters 500 mm and 250 mm respectively, width at outlet 50 mm and running at 1200 r.p.m. works against a head of 48 m.
mechanical utility system updated 5.5 years ago by teamques10 ★ 70k
5
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20k
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1
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A centrifugal pump having outer diameter equal to two times the inner diameter and running at 1000 rpm works against a total head of 40 m.
mechanical utility system updated 5.5 years ago by teamques10 ★ 70k
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6.5k
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A single stage centrifugal pump with impeller diameter of 30 cm rotates at 2000 rpm and lifts 3 m3 of water per second to a height of 30 m width an efficiency of 75%.
mechanical utility system updated 5.5 years ago by teamques10 ★ 70k
2
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1
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15k
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1
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Derive an expression for work done by the impeller of a centrifugal pump on liquid per second per unit weight of liquid.
mechanical utility system updated 5.5 years ago by teamques10 ★ 70k
0
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1
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3.3k
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1
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What are the axial thrust in centrifugal pump? Discuss the methods of the balancing the axial thrust.
mechanical utility system updated 5.5 years ago by teamques10 ★ 70k
9
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1
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71k
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1
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Explain construction and working of centrifugal pump with neat sketch.
mechanical utility system updated 5.5 years ago by teamques10 ★ 70k
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1
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12k
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1
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Write short note on Air Vessel.
mechanical utility system updated 5.5 years ago by teamques10 ★ 70k
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6.9k
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The diameter and stroke of a single acting reciprocating pump are 300mm and 500mm respectively.The pump takes its supply of water from sump 3.2m below the pump axis through a pipe 9m long & 200mm dia.
mechanical utility system updated 5.5 years ago by teamques10 ★ 70k
1
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9.6k
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1
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A single acting reciprocating pump, running at 50 r.p.m delivers 0.00736 m3/s of diameter of piston is 200 mm and stroke length 300 mm.The suction and delivery heads are 3.5 m and 11.5 m respectively
mechanical utility system updated 5.5 years ago by teamques10 ★ 70k
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1
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3.0k
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1
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What is cavitation? How can we avoid cavitation in reciprocating pumps?
mechanical utility system updated 5.5 years ago by teamques10 ★ 70k
1
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1
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11k
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Draw and comment on performance characteristics of reciprocating pump.
mechanical utility system updated 5.5 years ago by teamques10 ★ 70k
0
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1
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6.3k
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1
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Define coefficient of discharge, volumetric efficiency and slip in reciprocating pump. Describe negative slip with proper reason.
mechanical utility system updated 5.5 years ago by teamques10 ★ 70k
1
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1
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23k
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1
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A single acting reciprocating pump, running at 50 rpm, delivers 0.01 m3/s of water. The diameter of the piston is 200 mm and stroke length 400 mm.
mechanical utility system updated 5.5 years ago by teamques10 ★ 70k
0
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1
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28k
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Explain the working of Vane pump
mechanical utility system updated 5.5 years ago by teamques10 ★ 70k
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