单选题A propeller, in order to operate efficiently, must rotate at a relatively （） speed.AhighBlowCfastDlowly
单选题
A propeller, in order to operate efficiently, must rotate at a relatively （） speed.
A
high
B
low
C
fast
D
lowly
参考解析
解析：
暂无解析
相关考题：
Delivery must be effected within the time stated on the purchase order, ()the Buyer must atits opinion cancel the order.A、whileB、otherwiseC、untillD、in case of
The acceptance letter must contain the order number and date as well as other information concerning the execution of the order.()
Compared to a constant pitch propeller, a controllable pitch propellerA.more efficiently uses available engine powerB.operates at a lower efficiency at a fixed speedC.produces the same torque at lower engine powerD.develops its rated power at a lower speed
Cisco Technical Support Services portfolio provide customers resources that help ensure that Cisco products operate efficiently, remain highly available, and benefit from up-to-date system software. Is it correct?（）A.YesB.No
Refer to the exhibit. What statement is true base d upon the configuration in the exhibit? () A. CGMP version 2 is being used.B. The switch will use sparse mode first, dense mode second.C. A rendezvous point must be configured in order for the interface to operate in sparse mode.D. IGMP version 2 is being used.E. The rendezvous point is IP address 172.16.4.16.F. If a rendezvous point is configured, the interface cannot operate in dense mode.
You have finished physically installing an access point on the ceiling at your office. At a minimum, which paramenter must be configured on the access point in order to allow a wireless client to operate on it?（）A. AESB. PSKC. SSIDD. TKIPE. WEP
You have finished physically installing an access point on the ceiling at your officE.At a minimum, which paramenter must be configured on the access point in order to allow a wireless client to operate on it?（）A.AESB.PSKC.SSIDD.TKIPE.WEP
To keep up with the infrastructure ______ the profession also needs to learn how to run large projects more effectively and efficiently in order to make the entire design-engineer-operate lifecycle digital.A.boostB.boomC.constructionD.prosperity
作为一名值班水手，你必须懂得如何调整吊杆。（）A、As an officer on duty, you must know how to adjust derricks.B、As a sailor on duty, you must know how to adjust derricks.C、As a sailor on duty, you must know how to operate cranes.D、As an officer on duty, you must know how to operate cranes.
When installing processors with mixed stepping levels in a server， which of the following guidelines must be followed？ （）A、 The processors must have different frequencies set to operate.B、 The processor with the highest feature set must be the bootstrap processor.C、 The processors must have different cache sizes set to operate.D、 The processors must have the same cache size set.E、 The processor with the lowest feature set must be the bootstrap processor.
Which two settings must be configured in order to use the GUI to configure Call Admission Controlwith voice applications？ （）A、 QoS must be set to PlatinumB、 WMM must be enabledC、 QoS must be set to GoldD、 TSPEC must be disabledE、 Cisco Compatible Extensions must be disabled
Cisco Technical Support Services portfolio provide customers resources that help ensure that Cisco products operate efficiently, remain highly available, and benefit from up-to-date system software. Is it correct?（）A、YesB、No
You have finished physically installing an access point on the ceiling at your officE.At a minimum, which paramenter must be configured on the access point in order to allow a wireless client to operate on it?（）A、AESB、PSKC、SSIDD、TKIPE、WEP
Which of the following printers requires a specialized paper in order to operate?（）A、ThermalB、LaserC、InkjetD、Impact
In order to determine how efficiently an application is reading and writing data， which of the following utilities will report read and write sizes on disk I/O requests？（）A、 tprofB、 iostatC、 svmonD、 filemon
多选题Which two settings must be configured in order to use the GUI to configure Call Admission Control with voice applications?（）AQoS must be set to PlatinumBWMM must be enabledCQoS must be set to GoldDTSPEC must be disabledECisco Compatible Extensions must be disabled
单选题Cisco Technical Support Services portfolio provide customers resources that help ensure that Cisco products operate efficiently, remain highly available, and benefit from up-to-date system software. Is it correct?（）AYesBNo
单选题In order for the automatic lifeboat drain to operate properly（）.Athe cap should be removed to drain the boat when it is waterborneBthe cage must be free of rubbish or the ball may not seat properlyCthere is an automatic ball check located in a siphon tubeDthe small lever to release the rubber ball float must be turned counterclockwise
单选题Which of the following statements about pump operations is NOT a correct statement?（）AIn order for a fluid to be pumped, a fluid must be made to flowBA substance must be cold in order for it to be pumpedCThe kinetic energy imparted by the pump can be used to force a liquid through a hydraulic systemDA pump must receive its energy from an external source
单选题In order to determine how efficiently an application is reading and writing data， which of the following utilities will report read and write sizes on disk I/O requests？（）A tprofB iostatC svmonD filemon
单选题You have finished physically installing an access point on the ceiling at your officE.At a minimum, which paramenter must be configured on the access point in order to allow a wireless client to operate on it?（）AAESBPSKCSSIDDTKIPEWEP
单选题The reason why more and more of the large merchant vessels are being powered by medium-speed diesel engines is （）.Athey operate between 150 and 450 rpmBthey are connected to the propeller by gearingCtheir smaller size and weightDthey can be connected directly to the propeller without gearing
单选题Which statement is true regarding the Junos OS for security platforms?（）ASRX Series devices can store sessions in a session table.BSRX Series devices accept all traffic by default.CSRX Series devices must operate only in packet-based mode.DSRX Series devices must operate only in flow-based mode.
单选题作为一名值班水手，你必须懂得如何调整吊杆。（）AAs an officer on duty, you must know how to adjust derricks.BAs a sailor on duty, you must know how to adjust derricks.CAs a sailor on duty, you must know how to operate cranes.DAs an officer on duty, you must know how to operate cranes.
单选题Compared to a constant pitch propeller, a controllable pitch propeller（）.Amore efficiently uses available engine powerBoperates at a lower efficiency at a fixed speedCproduces the same torque at lower engine powerDdevelops its rated power at a lower speed
单选题By which of the following means is force efficiently provided to vary the pitch of the blades on a modem controllable pitch propeller?（）AHydraulicBMechanicalCPneumaticDElectrical
多选题When installing processors with mixed stepping levels in a server， which of the following guidelines must be followed？ （）AThe processors must have different frequencies set to operate.BThe processor with the highest feature set must be the bootstrap processor.CThe processors must have different cache sizes set to operate.DThe processors must have the same cache size set.EThe processor with the lowest feature set must be the bootstrap processor.