网友您好, 请在下方输入框内输入要搜索的题目:
题目内容
(请给出正确答案)
单选题
The (), cage rotor induction motor is the first choice marine motor in most modern ships because of its electrical and mechanical simplicity.
A
single phase
B
two phase
C
three phase
D
four phase
参考答案
参考解析
解析:
暂无解析
更多 “单选题The (), cage rotor induction motor is the first choice marine motor in most modern ships because of its electrical and mechanical simplicity.A single phaseB two phaseC three phaseD four phase” 相关考题
考题
When an induction motor with 10 polesissupplied by 50Hz three-phase acpower source,the synchronousre volution sperminuteis().(Synchronousr/min=120f/p)
A.1000B.900C.700D.600
考题
起站时,MCU从哪儿找这个站的RSL?()
A.Cage 0 NIU0 Port 0 TS16B.Cage 0 NIU0 Port 0 TS1C.Cage 1 NIU1 Port 1 TS2D.不需要RSL
考题
Cage0内有一块GCLK板,现在要将时钟信号扩展到Cage1,Cage2,Cage3,Cage4,Cage5和Cage6,那么在Cage0中需要那些设备?()
A.1×CLKX,6×光纤B.2×CLKX,1×LCLKSWX,6×光纤C.1×CLKX,1×LCLKSWX,7×光纤D.2×CLKX,1×LCLKSWX,7×光纤
考题
BSCs数据链路中有四个缺省的时隙,请选出不正确的时隙()
A.CAGE0SLOT16MMS0TIMESLOT1B.CAGE0SLOT16MMS1TIMESLOT1C.CAGE0SLOT14MMS0TIMESLOT1D.CAGE0SLOT14MMS1TIMESLOT1
考题
A master of watercolor was John Marin,______used the medium to portray the city as a mighty organism.A.he
B.who
C.his
D.which
考题
Cage0内有一块GCLK板,现在要将时钟信号扩展到Cage1,Cage2,Cage3,Cage4,Cage5和Cage6,那么在Cage0中需要那些设备?()A、1×CLKX,6×光纤B、2×CLKX,1×LCLKSWX,6×光纤C、1×CLKX,1×LCLKSWX,7×光纤D、2×CLKX,1×LCLKSWX,7×光纤
考题
起站时,MCU从哪儿找这个站的RSL?()A、Cage 0 NIU0 Port 0 TS16B、Cage 0 NIU0 Port 0 TS1C、Cage 1 NIU1 Port 1 TS2D、不需要RSL
考题
BSCs数据链路中有四个缺省的时隙,请选出不正确的时隙()A、CAGE0SLOT16MMS0TIMESLOT1B、CAGE0SLOT16MMS1TIMESLOT1C、CAGE0SLOT14MMS0TIMESLOT1D、CAGE0SLOT14MMS1TIMESLOT1
考题
单选题Select one answer choice Based on the first sentence, a reader can surmise that a crenellated tower is ______.A
WoodenB
notchedC
armoredD
delicateE
colorful
考题
单选题The device that most commonly utilizes the principle of electromagnetic induction is the().A
diodeB
transformerC
transistorD
rheostat
考题
单选题An AC synchronous transmission type remote steering control system consists of a ().A
transmitter at the steering station and a receiver at the steering engineB
reversible motor at the steering station geared to the steering pumpsC
small induction motor on the bridge which controls the redder through pulleysD
variable displacement hydraulic pump driven by a reversible DC motor
考题
单选题You are transferring fuel from the storage tanks to the day tanks by means of an electric fuel oil transfer pumpIf the pump motor catches fire, you would FIRST ().A
secure the fuel manifoldB
shut off power to the pumpC
shut off the power ventilationD
spray water on the fire
考题
单选题When there is a fire in a large electric motor, normally the very FIRST step is to ()A
secure the electric supplyB
ventilate area to remove smokeC
start the fire pump and lead out hoseD
apply foam
考题
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
考题
单选题Recycling has become the first choice for the disposal of rubbish because _____.A
local governments find it easy to manageB
recycling has great appeal for the joblessC
recycling causes little pollutionD
other methods are more expensive
考题
单选题Cage0内有一块GCLK板,现在要将时钟信号扩展到Cage1,Cage2,Cage3,Cage4,Cage5和Cage6,那么在Cage0中需要那些设备?()A
1×CLKX,6×光纤B
2×CLKX,1×LCLKSWX,6×光纤C
1×CLKX,1×LCLKSWX,7×光纤D
2×CLKX,1×LCLKSWX,7×光纤
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
temperature of oil
考题
单选题()should you do first when heaving up the anchor.A
Engage the wildcatB
Release the brakeC
Release the pawlD
Engage the motor
考题
单选题When a refrigeration compressor motor fails to start, the FIRST thing that should be checked for is a ().A
loose expansion valve control bulbB
low differential setting on the H-PcutoutC
blown fuse in the motor circuitD
faulty suction pressure regulator
热门标签
最新试卷