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Which of the following techniques are employed for control of reciprocating compressors?
1. Throttle control
2. Clearance control
3. Blowing air to waste
Select the correct answer using the code given below:
- a)1, 2 and 3
- b)1 and 2 only
- c)2 and 3 only
- d)1 and 3 only
Correct answer is option 'D'. Can you explain this answer?
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Which of the following techniques are employed for control of reciproc...
Control Techniques for Reciprocating Compressors:
Throttle control, clearance control, and blowing air to waste are the three main techniques employed for the control of reciprocating compressors. These techniques are discussed below:
1. Throttle Control:
Throttle control is a technique used for regulating the flow of gas into the compressor. It involves the use of a throttle valve that is installed at the compressor inlet. The valve is used to increase or decrease the flow of gas entering the compressor, thereby controlling the compressor's speed and output. This technique is suitable for compressors that operate at a constant speed.
2. Clearance Control:
Clearance control is a technique used for regulating the volume of gas compressed by the compressor. It involves the use of clearance pockets that are installed in the compressor cylinder heads. The pockets are used to adjust the clearance volume at the end of the compression stroke. By adjusting the clearance volume, the compressor's output and efficiency can be controlled.
3. Blowing air to waste:
Blowing air to waste is a technique used for controlling the compressor's discharge pressure. It involves the use of a blowdown valve that is installed at the compressor discharge. The valve is used to release a portion of the compressed gas to the atmosphere, thereby reducing the compressor's discharge pressure. This technique is suitable for compressors that operate at a variable speed.
Conclusion:
From the above discussion, it is clear that all three techniques are employed for the control of reciprocating compressors. Throttle control and blowing air to waste are used for compressors that operate at a constant speed, while clearance control is used for compressors that operate at a variable speed.
Throttle control, clearance control, and blowing air to waste are the three main techniques employed for the control of reciprocating compressors. These techniques are discussed below:
1. Throttle Control:
Throttle control is a technique used for regulating the flow of gas into the compressor. It involves the use of a throttle valve that is installed at the compressor inlet. The valve is used to increase or decrease the flow of gas entering the compressor, thereby controlling the compressor's speed and output. This technique is suitable for compressors that operate at a constant speed.
2. Clearance Control:
Clearance control is a technique used for regulating the volume of gas compressed by the compressor. It involves the use of clearance pockets that are installed in the compressor cylinder heads. The pockets are used to adjust the clearance volume at the end of the compression stroke. By adjusting the clearance volume, the compressor's output and efficiency can be controlled.
3. Blowing air to waste:
Blowing air to waste is a technique used for controlling the compressor's discharge pressure. It involves the use of a blowdown valve that is installed at the compressor discharge. The valve is used to release a portion of the compressed gas to the atmosphere, thereby reducing the compressor's discharge pressure. This technique is suitable for compressors that operate at a variable speed.
Conclusion:
From the above discussion, it is clear that all three techniques are employed for the control of reciprocating compressors. Throttle control and blowing air to waste are used for compressors that operate at a constant speed, while clearance control is used for compressors that operate at a variable speed.
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Which of the following techniques are employed for control of reciprocating compressors?1. Throttle control 2. Clearance control3. Blowing air to waste Select the correct answer using the code given below:a)1, 2 and 3 b)1 and 2 onlyc)2 and 3 onlyd)1 and 3 onlyCorrect answer is option 'D'. Can you explain this answer?
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