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 This blog for those students who want to know about mechanical engineering subject such as Automobile, Production Management, Industrial Management, Fluid Power, Design of Machine Element etc.

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What are the types of the gear pumps? With neat sketch discuss construction working of any type of gear pump.

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 There are four types of gear pump External Gear Pump Internal Gear Pump Screw Pump Lobe Pump The basic principle of external gear pump is that a pair of gears being driven by an external means. The gear motion generates suction at inlet by creating a partial vacuum which causes fluid to be drawn into the pump housing. The fluid is drawn through the pump and is displaced as the teeth mesh on the outlet side. Construction: External gear pump have two mating gear that are turned in a closely fitted casing. Each gear is mounted on a shaft which is supported on bearing in the end covers. In this drive shaft is coupled to the prime mover. Two ports inlet and outlet are provided directly on the opposite side of the mesh point of the gears. The larger and straight ports are preferred for better performance. The driving shaft is usually connected to the upper gear of the pump. The rotation of the driver gear cause the follower gear to turn. Operation: When the pump starts rotating the rota...
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Explain the working principle of external gear pump with sketch.

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 The basic principle of this type of pump is that a pair of gears being driven by an external means. The gear motion generates suction at inlet by creating a partial vacuum, which causes fluid to be drawn into the pump housing. The fluid is drawn through the pump and is displaced as the teeth mesh on the outlet side. External gear pump have two mating gear that are turned in a closely fitted casting.Each gear is mounted on a shaft which is supported on bearing in the end covers. In this drive shaft is coupled to the prime mover. Two ports, inlet and outlet are provided directly on the opposite side of the mesh point of the gears. The larger and straight ports are preferred for better performance. The driving shaft is usually connected to the upper gear of the pump. The rotation of the driver gear causes the follower gear to turn. When the pump starts rotating, the rotation of the gear forces air out of the casing and into the discharge pipe. This removal of air from the pump casing...
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Name the factors that influence the plant location and site selection decisions.

1. Nearness to raw material:   It will reduce the cost of transporting raw material  the vendor's end to the plant. 2. Transport facilities:   Depending upon the size of raw material and finished goods, a suitable method of transportation  like roads, rail, water or air is selected accordingly  plant  location  is decided.  It  must  be  kept  in  mind  that cost of transportation should remain fairly small in proportion to the total cost. 3. Proximity  to  markets:   Every company is expected to serve its customers  _ providing goods and services at the time needed and at reasonable price organizations may choose to locate facilities close to· the market or away from the mm depending upon the product. When the buyers for the product are concentrated advisable to locate the facilities close to the market. Locating nearer to the market is preferred if The products are delicate and susceptible to spo...
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