If the jacket water temperature rises rapidly above normal in a diesel engine, you should FIRST ()
A、place standby cooler in operation
B、reduce engine load
C、check thermostatic valve
D、clean sea water strainer
A、place standby cooler in operation
B、reduce engine load
C、check thermostatic valve
D、clean sea water strainer
A、an overfilled expansion tank B、excess chromate treatment of the jacket water C、a clogged raw water sea suction D、cavitation erosion of the heat exchanger tubes
A、sea water temperature must never be warmer than 40℃ B、jacket water pressure should always be greater than the sea water pressure C、jacket water temperature must always be less than 60℃ D、jacket water pressure must always be less than the sea water pressure
A、cavitation erosion in the water jackets B、excess corrosion inhibitor in the coolant C、dirty jacket water cooler D、defective turbocharger
A、overloading in all cylinders B、a jammed three-way thermostatic valve C、chromate PH too low D、a high level in the surge tank
A、Air will enter the cooling system B、Carbon will plug the water cooled exhaust manifolds C、The jacket water temperature will rise D、The lube oil viscosity will increase
A、High lube oil pressure B、High jacket water pressure C、High jacket water temperature D、Low jacket water pressure
A、air binding of the engine cooling system B、a cracked water cooled exhaust manifold C、blockage in the heat exchanger D、faulty operation of the thermostat
A、stop the engine immediately to prevent damage B、increase lube oil pressure C、slow the engine allowing it to gradually cool D、decrease the cooling water it temperature to the water jacket