The expansion valve on a Freon system controls the ().
![](/upload/20220827/c85071da6ff0aadc10ebce6c25bb4f0d.png)
相似题目
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In setting the valves on a steam-smothering system on a tank vessel,the master control valve to cargo tanks should be().
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Safety valves on a boiler vent to the ().
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The needle valve will open when the fuel pressure acting on the needle valve () exerts a sufficient force to overcome the spring compression.
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In setting the valves on a steam-smothering system on a tanker,the master control valve to cargo tanks should be().
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The bypass valve on a self-contained breathing device should be opened if().
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A ruptured diaphragm in a thermostatic expansion valve will cause the valve to ().
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Which of the problems listed represents the major difficulty encountered with thermal expansion valve operation?()
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A branch line valve of a fire extinguishing system on a ship must be marked with the().
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If the relief valve on the discharge side of a hydraulic pump lifts, the cause could be ().
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Dirt lodged on the nozzle valve seat of a fuel injection nozzle will cause()
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Which of the following configuration is valid for expansion drawers on a Power 750 with 2 processor board sinstalled?()
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Operation of the valve control release on a fixed CO2 system must immediately().
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A feeler or thermal bulb is used for the expansion valve to ().
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The needle valve in a fuel valve will () when the fuel pressure action on the needle valve tapered face exerts a force lower than that of the spring compression.
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The thermal expansion valve responds to the()
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A thermostatic expansion valve is properly controlling evaporator superheatAdjusting this valve to lower the superheat will result in a/an ().
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The expansion tank for a diesel engine closed cooling system is designed to maintain a constant head on the system and ().
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The bulb for the thermal expansion valve is located()
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If the relief valve on a diesel engine cylinder lifts, the cause could be due to ()
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A cracked diaphragm in a thermostatic expansion valve will cause the valve to ().
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Which of the listed statements is a characteristic of the liquid charged power element used with thermostatic expansion valves?()
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When a refrigeration compressor is in the ‘off’ cycle, the thermal expansion valve will().
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Which of the following four CRS components must be active on a Historical Reporting Database (HRDB) and Call Recording expansion server?()
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When a refrigeration compressor is in the ‘off’ cycle, the thermal expansion valve will .
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