Excessive oil foaming in the crankcase of a refrigeration compressor at start up can cause().
Excessive vibration of an automatically fired auxiliary boiler can be caused by ()
Excessive air leakage into the suction side of a centrifugal pump would be indicated by which of the following operational problems?()
In a diesel engine, excessive cylinder liner wear will cause () Ⅰ.increased blow-by Ⅱ.wear between the piston ring and groove
Excessive circulation of the lubricating oil with the refrigerant in a refrigeration system will cause ().
Excessive lubricating oil consumption in a running diesel engine can be caused by ()
A practical way of checking for excessive fuel injection in one cylinder of an operating diesel engine is to ()
An excessive amount of water is prevented from entering a vessel using a water lubricated stern tube bearing by the use of the ().
To prevent excessive () in the transverse girders, the tie bolts are positioned as close to the center of the crankshaft as possible.
An excessive charge of refrigerant in an air-cooled refrigeration system can cause ().