更多"Which condition is necessary for a "的相关试题:
[单项选择]What is the substance called which can readily be converted from a liquid into a vapor, and also from a vapor into liquid with a reasonably narrow range of pressure?（）
A. Refrigerator
B. Refrigerant
C. Cooling medium
D. Brine
[单项选择]The quantity or condition which is measured and controlled is known as the （）
A. controlled variable
B. manipulated variable
C. set point
D. control point
[单项选择]Which substance is NOT considered to be Oil under the pollution prevention regulations? （）
A. Petroleum and fuel oil
B. Sludge
C. Oil mixed with dredge spoil
D. Oil refuse and oil mixed with wastes
[单项选择]A substance found in residual fuels which tends to cause exhaust valve corrosion and grooving, is（）
A. carbon
B. vanadium
C. calcium
D. hydrogen
[单项选择]Which condition represents the appropriate time for setting off distress flares and rockets? （）
A. Only when there is a chance of their being seen by rescue vessels
B. At half hour intervals
C. At one hour intervals
D. Immediately upon abandoning the vessel
[单项选择]Which condition suggests that your present position lies in the navigable semicircle of a tropical storm（）.
A. A backing wind
B. A veering wind
C. Sustained gale force winds
D. A strong wind that maintains a constant speed and direction
[单项选择]Which additional configuration step is necessary in order to connect to an access point that has SSID broadcasting disabled?（）
A. Set the SSID value in the client software to public.
B. Configure open authentication on the AP and the client.
C. Set the SSID value on the client to the SSID configured on the AP.
D. Configured MAC address filtering to permit the client to connect to the AP.
[单项选择]On a tank vessel, which of the following substances would be burning in a class "B" fire?（）
A. Oil
B. Wood
C. Rags
D. Electrical wiring
[单项选择]Which condition indicates the air side fouling of an after-cooler on a turbocharged diesel engine?（）
A. An increased air temperature differential between the cooler inlet and outlet
B. A decrease in the air pressure differential across the cooler
C. Excessive condensate forming in the air box
D. A decrease in the air temperature differential between the cooler inlet and outlet
[单项选择]Which condition indicates that your radar needs maintenance?（）
A. Serrated range rings
B. Indirect echoes
C. Multiple echoes
D. Blind sector
[单项选择]Which characteristic or condition will have the greatest effect on increasing a hydraulic oils viscosity?（）
A. Pour point
B. Cloud point
C. Vacuum
D. Pressure
[单项选择]Which commands is necessary to permit SSH or Telnet access to a cisco switch that is otherwise configured for these vty line protocols?（）
A. transport type all
B. transport output all
C. transport preferred all
D. transport input all
[单项选择]During which condition should the operator of a pedestal crane shutdown operations?（）
A. Lightning
B. High winds
C. Fire aboard
D. All of the above
