A、Should knocking occur
B、If knocking occur
C、Should if knocking occurs
D、If occur knocking
更多“（）, the engine must be stopped immediately.”相关的问题
A、the chief engineer must be informed at first B、the captain must be informed at first C、it must be taken by the duty engineer D、the generator engine must be stopped
A、The coolant temperature must be maintained at 180℃ B、The thermostatic bypass valves must be manually opened before the engine is started C、The pressure cap must be removed while the engine is secured D、Electrical power to the heater must be secured before the cooling system is drained
A、the type and size of the engine B、the condition of the engine C、ambient temperature D、all of the above
A、secure the engine room ventilation B、secure the machinery in the engine room C、evacuate all engine room personnel D、ALL of the above
A、secure the engine room ventilation B、secure the machinery in the engine room C、evacuate all engine room personnel D、All of the above
A、actuate an alarm and open the engine room control valve B、actuate an alarm and open the engine room CO2 releasing valve C、open the engine room control valve and shut off engine room ventilation fans D、open the engine room control valve and then the CO2 releasing valve
A、compression must be low for effective spark ignition B、compression must be low for required horsepower and torque generation C、compression must be low to prevent pre-ignition D、compression must be low to have effective pre-ignition
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