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【单选题】
单相半波相控整流电路带纯电阻负载时,输入交流电压有效值等于220V,晶闸管触发角等于 ,问其输出直流电压大小等于多少?
A.
220V
B.
110V
C.
99V
D.
0V
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参考答案：
举一反三
【单选题】Which of the following is a metric that is commonly used in CRM?
A.
customer satisfaction index
B.
human capital return on investment
C.
turnover costs
D.
demand forecast accuracy
查看完整题目与答案
【单选题】In which solution is a router ACL used?
A.
protecting a server frome unauthorized acces
B.
controlling path selection,based on the route metric
C.
reducing router CPU utilization
D.
filterring packets that are passing through a router
查看完整题目与答案
【判断题】EAR 是指满足某一特定性别、年龄及生理状况群体中对某营养素需要量的平均值。
A.
正确
B.
错误
查看完整题目与答案
【判断题】EAR是指满足某一特定性别、年龄及生理状况群体中对某营养素需要量的平均值。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which metric is used to measure the productivity and impact of an author?
A.
Cite Score
B.
Eigenfactor Score
C.
H-factor
D.
Cited Half-life
查看完整题目与答案
【单选题】Refer to the exhibit. EIGRP has been configured on al l routers in the network. The command metric weights 0 0 1 0 0 has been added to the EIGRP process so that only the delay metric is used in the pa...
A.
R 4 becomes the successor for Network A and will be placed in the routing table. R2 becomes the feasible successor for Network A
B.
R4 becomes the successor for Network A and will be included in the routing table. No feasible successor will be selected a s the advertised distance from R2 is higher than the feasible distance
C.
R2 becomes the successor and will be placed in the routing table. R4 becomes the feasible successor for Network A
D.
R2 becomes the successor and will be placed in the routing t able. No feasible successor will be selected as the reported distance from R4 is lower than the feasible distance
查看完整题目与答案
【单选题】Which scale is used to estimate wind speed by observing sea conditions ()
A.
Metric scale
B.
Wind scale
C.
Coriolis scale
D.
Beaufort scale
查看完整题目与答案
【简答题】数控装置的软件系统由 ()和() 两部分组成。
查看完整题目与答案
【单选题】一般来说,电动燃油泵的工作电压是( )
A.
5
B.
12
C.
24
D.
42
查看完整题目与答案
【判断题】EAR 是指某一特定性别、年龄及生理状况群体中的个体对某营养素需要量的平均值。
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】Which of the following is a metric that is commonly used in CRM?
A.
customer satisfaction index
B.
human capital return on investment
C.
turnover costs
D.
demand forecast accuracy
查看完整题目与答案
【单选题】In which solution is a router ACL used?
A.
protecting a server frome unauthorized acces
B.
controlling path selection,based on the route metric
C.
reducing router CPU utilization
D.
filterring packets that are passing through a router
查看完整题目与答案
【判断题】EAR 是指满足某一特定性别、年龄及生理状况群体中对某营养素需要量的平均值。
A.
正确
B.
错误
查看完整题目与答案
【判断题】EAR是指满足某一特定性别、年龄及生理状况群体中对某营养素需要量的平均值。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which metric is used to measure the productivity and impact of an author?
A.
Cite Score
B.
Eigenfactor Score
C.
H-factor
D.
Cited Half-life
查看完整题目与答案
【单选题】Refer to the exhibit. EIGRP has been configured on al l routers in the network. The command metric weights 0 0 1 0 0 has been added to the EIGRP process so that only the delay metric is used in the pa...
A.
R 4 becomes the successor for Network A and will be placed in the routing table. R2 becomes the feasible successor for Network A
B.
R4 becomes the successor for Network A and will be included in the routing table. No feasible successor will be selected a s the advertised distance from R2 is higher than the feasible distance
C.
R2 becomes the successor and will be placed in the routing table. R4 becomes the feasible successor for Network A
D.
R2 becomes the successor and will be placed in the routing t able. No feasible successor will be selected as the reported distance from R4 is lower than the feasible distance
查看完整题目与答案
【单选题】Which scale is used to estimate wind speed by observing sea conditions ()
A.
Metric scale
B.
Wind scale
C.
Coriolis scale
D.
Beaufort scale
查看完整题目与答案
【简答题】数控装置的软件系统由 ()和() 两部分组成。
查看完整题目与答案
【单选题】一般来说,电动燃油泵的工作电压是( )
A.
5
B.
12
C.
24
D.
42
查看完整题目与答案
【判断题】EAR 是指某一特定性别、年龄及生理状况群体中的个体对某营养素需要量的平均值。
A.
正确
B.
错误
查看完整题目与答案
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