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3
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1
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28k
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1
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Explain construction and working of centrifugal pump with neat sketch.
mechanical utility system updated 13 months ago by ninadsail ♦ 10
3
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1
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23k
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1
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Explain construction and working of multi-stage, reciprocating air compressor with intercooler with help of neat labelled schematic diagram and P-V diagram.
mechanical utility system updated 13 months ago by ninadsail ♦ 10
0
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1
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19k
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1
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Explain the working of Vane pump
mechanical utility system updated 13 months ago by ninadsail ♦ 10
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2
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15k
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2
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Why inter cooling is used in multistage compressor? Derive an expression for intermediate pressure in a two stage compressor when inter cooling is not perfect.
mechanical utility system updated 13 months ago by ninadsail ♦ 10
1
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1
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10k
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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 13 months ago by ninadsail ♦ 10
0
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1
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9.0k
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Derive an expression for volumetric efficiency of a single stage single acting reciprocating air compressor with clearance and discuss at least four factors that affect volumetric efficiency.
mechanical utility system updated 13 months ago by ninadsail ♦ 10
3
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7.5k
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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 13 months ago by ninadsail ♦ 10
1
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1
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7.3k
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1
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A two stage single acting reciprocating compressor takes in air at the rate of 0.2 $m^3$/s. The intake temperature and pressure of air at 0.1 MPa and $16^o$C.
mechanical utility system updated 13 months ago by ninadsail ♦ 10
2
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1
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6.9k
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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 13 months ago by ninadsail ♦ 10
0
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1
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6.3k
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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 13 months ago by ninadsail ♦ 10
0
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1
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6.2k
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1
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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 13 months ago by ninadsail ♦ 10
2
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1
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5.8k
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1
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Explain screw pump with a neat diagram.
mechanical utility system updated 13 months ago by ninadsail ♦ 10
0
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1
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5.6k
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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 13 months ago by ninadsail ♦ 10
0
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1
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5.2k
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1
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What are the methods of energy conservation in compressed air systems.
mechanical utility system updated 13 months ago by ninadsail ♦ 10
0
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1
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5.2k
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1
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A centrifugal compressor running at 12000 rpm delivers 600$m^3$/min of free air. The air is compressed from 1 bar and $27^o$C to a pressure ratio of 4 with an isentropic efficiency of 85%.
mechanical utility system updated 13 months ago by ninadsail ♦ 10
0
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1
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4.9k
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1
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Draw an indicator diagram considering the effect of acceleration and friction in suction and delivery pipes. Derive an expression for the work done per second in case of a single acting reciprocating
mechanical utility system updated 3.3 years ago by anithakrishnan1692 ♦ 330
1
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1
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3.8k
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1
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Draw and comment on performance characteristics of reciprocating pump.
mechanical utility system updated 13 months ago by ninadsail ♦ 10
0
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1
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3.5k
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1
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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 13 months ago by ninadsail ♦ 10
0
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1
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3.4k
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1
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Write short note on Air Vessel.
mechanical utility system updated 13 months ago by ninadsail ♦ 10
0
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1
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2.9k
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1
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Choking and surging in case of centrifugal compressor.
mechanical utility system updated 13 months ago by ninadsail ♦ 10
0
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1
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2.8k
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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 13 months ago by ninadsail ♦ 10
1
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1
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2.6k
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1
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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 13 months ago by ninadsail ♦ 10
0
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1
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2.3k
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1
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In a trial on a two-stage, single acting, reciprocating air compressor, following data were recorded.
mechanical utility system updated 13 months ago by ninadsail ♦ 10
0
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1
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2.0k
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1
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Write a short note on Model testing in centrifugal pumps.
mechanical utility system updated 13 months ago by ninadsail ♦ 10
0
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1
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1.8k
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1
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Explain the working of an axial flow compressor.
mechanical utility system updated 13 months ago by ninadsail ♦ 10
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