The function of the piston compression rings used in a diesel engine is to （）
In the refrigeration compressor the temperature of the vapor is （） by compression.
You want to use RMAN to create compressed backups.Which statement is true about the compression algorithms that RMAN can use?（）
Which of the following methods is used to prevent throttling of compressed air through the diesel engine air starting valves?（）
The purpose of compressing the air within the cylinder of a diesel engine is to （）
You want to use RMAN to create compressed backups. Which statement is true about the compression algorithms that RMAN can use？（）
Compressed air is supplied by air compression to （）.
It is very necessary that each cylinder （） before the charged air is compressed.
When starting an engine, the compressed air enters the cylinder when the corresponding piston is in position of its（）
It is very important that each cylinder should be （） scavenged before the charged air is compressed.
If an air compressor is used to supply compressed air to outlets throughout the engine room and on deck of a vessel, the system is known as the （）.
The fresh air coming in through the inner air ports, is compressed by（） to a higher pressure.
（） in what position the engine stops there will always be at least one of the cylinders with its starting air valve open to admit compressed air to start the engine.
Charging is the filling of the engine cylinder with a supply of （） for compression.
The main function of piston compression rings is to （）
Which of the listed precautions should be taken when cleaning the internals of a motor with compressed air?（）
The latent heat of evaporation is dissipated in the （） in a compression refrigeration system.
The figure that the volume of air at BDC is divided by the volume of air at TDC is termed as（）.
Charging is the filling of the engine cylinder with a supply or charge of fresh air （） compression.
In the suction stroke air is induced into the cylinder （）In the compression stroke the air is compressed.
The widely employed method for production of compressed tablets is direct compression.
Do not use compressed air to spray the control panel and people directly.
Usually，an Air Waybill is non—negotiable，that is，the goods must be sent to the consignee titled in the Air Waybill．（）
