
What types of cooling systems for injection air compressors usually include?
A. Water-cooled and air-cooled B. Oil cooled and air cooled C. Water cooling and oil cooling D. The answer cannot be determined: A Analysis: The cooling system of oil-injected air compressors usually includes two types: water-cooled and air-cooled, which are used to cool the compressor and compressed air…

What parameters are mainly monitored by the control system of an oilless air compressor?
A. Pressure and temperature B. Oil quantity and pressure C. Temperature and oil quantity D. The answer cannot be determined: A Analysis: The control system of an oil-free air compressor is mainly used to monitor and control the operating parameters of the compressor, such as pressure and temperature.

What are the main reasons for the high maintenance costs of oil-injected air compressors?
A. Lubricating oil and oil filter need to be replaced regularly B. Short equipment life C. High energy consumption D. The oil content of compressed air is high. Answer: A Analysis: The oil injection air compressor requires regular replacement of lubricating oil and oil filter, which increases maintenance costs…

What is the usual manufacturing cost of oilless air compressors?
A. Higher B. Lower C. Same as oil injection air compressor D. The answer cannot be determined: A Analysis: The manufacturing cost of oil-free air compressors is usually high, and the initial investment is large, but the long-term maintenance cost is low.

The advantages of oil-injected air compressors do not include which of the following?
A. Lower cost B. Simple maintenance C. Compressed air pure D. Wide application range Answer: C analysis: The advantages of oil-injected air compressors include low cost, simple maintenance and wide application range, but the compressed air has a high oil content…

The shortcomings of oilless air compressors do not include which of the following?
A. Higher cost B. Limited scope of application C. Maintaining complex D. Compressed air has high oil content Answer: D analysis: The shortcomings of oil-free air compressors include high cost and limited scope of application, but low maintenance costs, compressed air…

When choosing an air compressor, which air compressor usually choose for companies with limited budgets?
A. Oil injection air compressor B. Oil-free air compressor C. Both can be D. The answer cannot be determined: A Analysis: Oil injection air compressors have low initial investment and are suitable for companies with limited budgets.

What is the main purpose of the water-lubricated design of oilless air compressors?
A. Improve the purity of compressed air B. Reduce equipment noise C. Cooling and lubricating parts D. Increase equipment life Answer: C Analysis: The water-lubricated design of oil-free air compressors is mainly used to cool and lubricate compressor components to ensure…

Question: What are the common compressor faults and how to handle them?
Answer: Common faults include high temperature, low pressure, and motor overload.

Question: How to remotely manage the compressor through the smart monitoring system?
Answer: Connect the compressor to a network and use a web-based interface or mobile app to monitor and control it remotely.