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Q: The holes in the cylinder block that allow the removal of sand used in the casing process are sealed by?
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What is an hermetic compressor?

a fully welded or serviceableIn hermetically sealed compressor, the compressor and the motor are enclosed in the welded steel casing and the two are connected by a common shaft. This makes the whole compressor and the motor a single compact and portable unit that can be handled easily. The hermetically sealed compressor is very different from the traditional open type of compressors in which the compressor and the motor are different entities and the compressor is connected to the motor by coupling or belt.Construction of the Hermetically Sealed Reciprocating CompressorIn hermetically sealed compressor, in one side of the enclosed casing the various parts of the compressor like cylinder, piston, connecting rod and the crankshaft are located. If it is a multi-cylinder compressor, there are more than two cylinders inside the casing. On the other side of the casing is the electric winding inside which the shaft of the motor rotates. This motor can be single speed or multi-speed motor. In hermetically sealed compressors the crankshaft of the reciprocating compressor and the rotating shaft of the motor are common. The rotating shaft of the motor extends beyond the motor and forms the crankshaft of the hermetically sealed reciprocating compressor.All these parts of the hermetically sealed compressor are assembled and enclosed in a strong and rigid casing made up of welded steel shell. The steel shell comprises of two half rounded steel bodies that are welded together to form the casing for the hermetically sealed compressor. In some cases the two halves of the shell can be bolted together instead of welding, which permits easy opening of the casing in case of compressor burnout.The hermetically sealed compressors have inbuilt lubrication system for the lubrication of the piston and cylinder and crankshaft. The lubricant also acts the coolant for the piston and cylinder. Additionally, the cool suction refrigerant also offers cooling effect. Externally, the casing has refrigerant suction and discharge connections that are connected to the evaporator and condenser respectively. There is also socket for the electrical connection.The typical condenser unit with the hermetically sealed compressor is shown in above fig. Such condenser units are called as hermetic condenser units. In the other image various parts of hermetically sealed multi-cylinder reciprocating compressor are shown.Types of Hermetic CompressorsOne of the most popular types of the hermetically sealed compressors are the reciprocating compressors. They were the first to be used as the hermetically sealed compressors are still being used widely. These days the vane type of rotary compressor has become more popular. It is considered that the rotary type of hermetically sealed compressor consumes less electricity, makes lesser noise, requires lesser maintenance, and is cheaper than the reciprocating type of hermetically sealed compressor. This is because the rotary compressors has less frictional parts and have only a rotor. The centrifugal types of hermetically sealed compressor are used for the large units.


The top of the cylinder head is sealed by the?

valve cover


What volume of gas would be in a cylinder of 100cm3 after a week?

- if the cylinder is sealed by welding, the same volume- if the cylinder is open - any initial gas


Should lintels be caulked?

Only if it needs to be air or water tight. Generally a window or door opening is sealed by the wood casing and trim and caulking is not needed.


What type of fluid does the clutch slave cylinder use in a 1998 Mitsubishi mirage?

The clutch slave cylinder in your 1998 Mitsubishi does not use fluid. The clutch slave cylinder is sealed with grease inside of it.


Butt crack removal operation?

I think you're referring to colostomy. In a colostomy, the anus is sealed shut (not removed).


What gas is leaked from sealed lead acid batteries?

Hydrogen is discharged during the charging process of lead acid batteries, sealed batteries are a misnomer, they are only sealed against liquid leakage.


Where is the PCV valve on a 1995 F150?

PCV is usually located on the valve cover sealed by a grommet. 1995 F150 2wheel drive with a 302 engine may require removal of the intake manifold. It is connected to an oil separator to keep excessive oil form entering the cylinder combustion chamber.


How do you remove the plastic head light covers 1997 Mercury Grand Marquis?

You don't. They are sealed. You have to buy a new complete headlight casing. Check e-bay for best deal.


What is the process of heating water in a container and then trapping the water vapor in a sealed canister?

distillation


What is is the process of heating water in a container and then trapping the water vapor in a sealed canister?

distillation


How to bleed a rover 400 with a sealed hydraulic clutch?

the easiest thing to do is remove the slave cylinder then pump the pedal and the fluid will pour out