Improper maintenance of an automatic auxiliary boiler oil burner could result in （）.

[单选题]Improper maintenance of the fuel oil burners in an automatically fired auxiliary boiler, could result in （）A . increased fuel consumptionB . increased feed water consumptionC . fuel pump failureD . combustion control system failure

[单选题]Improper cooling of a diesel engine cylinder liner due to the accumulation of scale deposits may cause （）.A . low compression pressureB . increased piston wearC . increased cylinder lube oil consumptionD . poor contact between compression rings and l

[单选题]Maintenance activitiesinclude ( ) .A.making enhancements to software produc

[单选题] Software maintenance is to do necessary modification，supplenemt，and completeness during software life circle．Among the following vary kinds of maintenance，which one has the maximum workload in a general way? (73) ．(73) A．relevance maintenanceB．compl

[单选题]Maintenance activities do not include (74).(74)A． making enhancements to software productsB． developing a new software productC． correcting problemsD． adapting products to new environments

[名词解释] 维持剂量（maintenance dose）

[单选题]What preventative maintenance should be done frequently to diesel engine starting air receivers?（）A . Drain the accumulated moistureB . Test the relief valvesC . Watch the temperature to prevent fluctuations in pressureD . Clean the interior to remov

[单选题]Software maintenance is to do necessary modification, supplenemt, and completeness during software life circle. Among the following vary kinds of maintenance, which one has the maximum workload in a general way?(73).A．relevance maintenanceB．completen

[单选题]They understand the （） of automatic sludge discharging of the purifierBut they are not good in practice.A . principleB . principalC . causeD . case

[单选题] Maintenance activities include（74）.①making enhancements to software products②developing a new software product③correcting problems④adapting products to new environments（74）A．①②B．①③④C．②③④D．①②③④