If the operating element of a thermostatic valve installed in a diesel engine cooling system malfunctions, it may result in （）
A . a low level in the engine expansion tank
B . excessively high coolant pressure
C . improper temperatures
D . malfunctioning of the jacket water heater
相似题目
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Which of the following will occur if an operator types the command vi file.out?（）
A . If the file exists it will be opened for editing. If the file does not exist an error message will be displayed.
B . If the file exists it will be opened for editing. If the file does not exist a new file with the name file.out will be created and opened for editing.
C . If the file exists an error message will be displayed. If the file does not exist a new file with the name file.out will be created and opened for editing.
D . If the file exists the operator will be asked whether to open the file or overwrite the file. If the file does not exist a new file with the name file.out will be created and opened for editing.
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If,during helicopter refueling operations,fuel is spilled on clothing,the person should first（）.
A . see the medic immediately
B . spray hinself with foam or CO
C . complete his task and then see medic
D . remove the clothing and wash
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What command will an operator use to check if the system has NFS3 filesystems currently defined?（）
A . lsnfs3
B . lsnfs -v 3
C . lsfs -v nfs3
D . lsfs -t nfs3
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Which two are elements of the operational-efficiency business challenge?（）
A . improving business processes
B . making existing resources more productive
C . offering enhanced customer service
D . providing flexible channel and delivery optio
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If the router R1 has a packet with a destination address 192.168.1.255, what describes the operation of the network（）。
A . R1 will forward the packet out all interfaces.
B . R1 will drop this packet because this it is not a valid IP address.
C . As R1 forwards the frame containing this packet, Sw-A will add 192.168.1.255 to its MAC table.
D . R1 will encapsulate the packet in a frame with a destination MAC address of FF-FF-FF-FF-FF-FF
E . As R1 forwards the frame containing this packet, Sw-A will forward it to the device assigned the IP address of 192.168.1.255.
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If two AC generators are to be operated in parallel, the load is distributed evenly by（）
A . means of rheostat the governor settings
B . a balance coil excitation
C . adjusting the governor settings
D . changing excitatio
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This arrangement is （） if the elements are directly connected to one another and the control action takes place without human involvement.
A . a manual closed loop
B . a manual opened loop
C . an automatic closed loop
D . an automatic opened loo
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If，during helicopter refueling operations，fuel is spilled on clothing，the person should first（）.
A . see the medic immediately
B . spray himself with foam or CO
C . complete his task and then see the medic
D . remove the clothing and wash
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If two AC generators are operated in parallel, the load is distributed evenly by（）
A . a rheostat
B . a balancing coil
C . changing field excitation
D . adjusting the governor setting
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In Real Operations Automation， we have Domain Template and WebLogic Scripting Tool for provisioning and configuration respectively. Which are the other two elements ？（）
A . Weblogic Cluster
B . Weblogic Cache
C . Weblogic Grid
D . Weblogic Deployment&e
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What two are elements of the operational-efficiency Business Challenge?（）
A . Do More with less
B . Improve Business Processes
C . Provide Flexible Channel and Delivery Options
D . Offer Enhanced Customer Service
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If the DSC controller is configured for MF/HF operation, the distress will be sent on（）.
A . double frequencies
B . single frequency
C . dedicated frequency
D . multiple frequencie
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Which information element will the client use if the client intends to use a different PHY rate than the nominal PHY rate advertised?（）
A . TSPEC IE
B . TSRS IE
C . WMM IE
D . TSM IE
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There are some back-up satellites in the event of failure. If the operational satellite is out of work,（）.
A . communications in the whole system will stop
B . the global system will be damaged
C . the back-up one will take its place
D . the whole system will not work
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If you were operating a centrifugal water service pump with worn wearing rings, the （）.
A . pump would be very noisy
B . pump would vibrate excessively
C . pump would develop insufficient flow
D . stuffing box would leak excessively
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If there are fewer initializers than elements in the array, the remaining elements are __________.
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Martha is managing a projectthat has a degree of operating leverage equal to 2.1. How will the operating cash flows change if the quantity solddecreases by 4 percent?
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What should the person do if he finds a fire He should operate ______.What should the person do if he finds a fire He should operate ______.
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In C language, the result of the logical ______ operator is 1 if the value of its operand is 0,0 if the value ofits operand is non-zero.
A．AND B．NOT C．OR D．EOR
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If the degree of financial leverage (DFL) is 1.00, the operating breakeven point compared with the breakeven point is most likely:
A、lower.
B、 the same.
C、 higher.
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听力原文：If our products are to compete on the international market, advanced technology is a key element. The higher the technology, the better the products, and the greater the competitiveness.
(28)
A．Our products cannot compete on the international market because of their higher prices.
B．Our products exhibit greater competitiveness even though they lack advanced technology.
C．Advanced technology will increase our expense to compete on the international market.
D．Advanced technology contributes to the excellence and competitiveness of our products.
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If business goes well, the cost of operation exceed the revenues from sales and the company realizes a profit.()
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When the result of an operation becomes larger/hall the limits of the representation,（75)o
When the result of an operation becomes larger/hall the limits of the representation,(75)occurs.
A．overdose
B．overflow
C．overdraft
D．overexposure
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If business goes well, the revenues from sales exceed the cost of operation and the company realizes a profit.（)
是
否
