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单选题
To protect the rotor of a motor disassembled for maintenance or overhaul, it should be（）
A
suspended by wire slings in one comer of the shop
B
wrapped in several layers of heavy paper or carboard
C
supported by flat wood blocks on the workbench
D
returned to the frame as soon as the bearings are removed
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更多 “单选题To protect the rotor of a motor disassembled for maintenance or overhaul, it should be（）A suspended by wire slings in one comer of the shopB wrapped in several layers of heavy paper or carboardC supported by flat wood blocks on the workbenchD returned to the frame as soon as the bearings are removed” 相关考题
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B.a motor vehicle should back up
C.one should back up a motor vehicle
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单选题The overcurrent relay （） the motor contactor when the motor exceeds its rated current.A
connectsB
tripsC
foulsD
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Before operation, stop the electric motor.C
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考题
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考题
单选题The rotor of the hydraulic motor rotates at a speed proportional to the （）.A
flow of oilB
pressure of oilC
A and BD
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考题
单选题Ambient temperature is the （）.A
amount of temperature rise with no loadB
temperature of the compartment where the motor is locatedC
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考题
单选题What type of rotor is used in split-phase motors?（）A
DramB
Salient poleC
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考题
单选题The Database Resource Manager is automatically enabled in the maintenance window that runs the Automated Maintenance Task. What is the reason for this？（）A
to prevent the creation of an excessive number of scheduler job classesB
to allow the Automated Maintenance Tasks to use system resources without any restrictionC
to allow resource sharing only among the Automated Maintenance Tasks in the maintenance windowD
to prevent the Automated Maintenance Tasks from consuming excessive amounts of system resources
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