A reciprocating air compressor is running roughly and vibrating excessively, indicating that the （）.

A、compressor is overloaded

B、motor is overloaded

C、foundation bolts are loose

D、belts are too tight

查看正确答案

更多“A reciprocating air compressor is running roughly and vibrating excessively, indicating that the （）.”相关的问题

第1题

[单选题] Excessively low air pressure occurring in the intercooler of a reciprocating air compressor is caused by（）.

A、leaky discharge valves on the LP cylinder B、leaky discharge valves on the HP cylinder C、insufficient intercooler cooling D、low ambient air pressure

点击查看答案

第2题

[单选题] In an air conditioning system, low head pressure associated with a reciprocating compressor can be the result of （）

A、broken valve springs B、tight drive belts C、high line voltage D、air in the system

点击查看答案

第3题

[单选题] Which of the listed operating conditions would have the greatest effect on the volumetric efficiency of an operating reciprocating air compressor?（）

A、The density of the air entering the compressor B、The temperature of the air entering the compressor C、The designed rotating speed of the compressor D、A leaking head gasket

点击查看答案

第4题

[单选题] Excessive lube oil consumption by a reciprocating air compressor can be caused by （）.

A、using a slightly dirty air filter B、using oil having an excessive viscosity C、intercooler or after-cooler leaks D、carrying the oil level higher than normal

点击查看答案

第5题

[单选题] By far the greatest item of maintenance of the reciprocating air compressors concerns （）.

A、the lubrication B、the cooling C、the moisture separation D、the valves

点击查看答案

第6题

[单选题] Air chambers are usually fitted to reciprocating pumps in order to （）.

A、increase discharge pressure B、increase suction vacuum C、develop pulsation flow D、keep a steady rate of flow

点击查看答案

第7题

[单选题] By far the greatest use is for diesel engine starting using air pressure of 25 bar or more provided by （）.

A、rotary compressors B、reciprocating compressors C、centrifugal compressors D、screw compressors