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【单选题】
InTibetan culture, what does the term “Shangrila” mean？
A.
a dreamlike paradise
B.
the sun and the moon in the heart
C.
a peaceful lake
D.
a holy place
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】When the synchronous generator is connected in quasi synchronous parallel with the power grid, all other conditions are met except that the generator voltage is only less than 5% of the power grid vol...
A.
Generate huge current, so that the generator cannot be paralleled
B.
Generate a small current, which is inductive current
C.
Generate a small current, which is a capacitive current
D.
Generate a small current, which is an active current
【单选题】In the process of generator paralleling, when the phase of generator voltage and system voltage is inconsistent, impulse current will be generated. The maximum value of impulse current occurs when the...
A.
0°
B.
90°
C.
180°
D.
100°
【单选题】Where did the loanword “Shangrila” initially occur?
A.
In Diqing Titetan Autonomous Prefecture
B.
In Shangrila County
C.
in the novel The Lost Horizon
D.
None of them
【单选题】When the synchronous generator is connected in parallel with the power grid, some conditions must be met, but the first condition that must be absolutely met is ()
A.
Equal voltage
B.
Same phase sequence
C.
Same frequency
D.
Same phase
【单选题】If the synchronous generator is connected to the power grid according to the ideal quasi synchronous method without any adjustment, the output power of the synchronous generator to the power grid is (...
A.
P>0,Q>0
B.
P>0,Q<0
C.
P<0,Q>0
D.
P=0;Q=0
【单选题】In December 2001, Zhongdian County was officially renamed ______ with the permission of the State Council.
A.
Deqing County
B.
Shangrila County
C.
Weixi County
D.
Shangrila Town
【单选题】“Three Parallel Rivers” was identified as a ______ by UNESCO in 2003.
A.
World Cultural Heritage
B.
World Record Heritage
C.
World Fossil Heritage
D.
World Natural Heritage