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【单选题】
下列灭火方法中,对电器着火不适用的是哪种?()。A.
用二氯化碳灭火器进行灭火
B.
用沙土灭火
C.
用水灭火
D.
以上都对
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反馈参考答案：
举一反三
【单选题】The ___________ circuit consists of ignition coil secondary windings, distributor cap, distributor rotor, spark plugs and spark plug wires.
A.
primary
B.
basic
C.
secondary
D.
breaker
【单选题】The secondary coil has ______ times more turns of wire than the primary coil.
A.
millions of
B.
hundreds of
C.
thousands of
D.
tens of thousands of
【单选题】An eddy current test system closely approximates a transformer. In this approximation, what would the "secondary coil" be represented by?
A.
the induced eddy currents
B.
the eddy current probe
C.
the test sample
D.
a Hall detector used as a receiver
【单选题】A generator supplies 100V to the primary coil of a transformer. The primary has 50 turns and the secondary has 500 turns. The secondary voltage is:
A.
100V
B.
250V
C.
500V
D.
1000V
【单选题】以下关于鸡尾酒的基酒描述正确的是( )
A.
基酒又叫酒底，每款鸡尾酒中只能有一种烈酒作为基酒。
B.
鸡尾酒起源于西方，所以中国的白酒不能作为基酒。
C.
一般以一种烈性酒来确定鸡尾酒的酒味，有时可以用两种烈酒为基酒，但不能更多。
D.
鸡尾酒的基酒一般不超过5ml
【单选题】The secondary circuit consists of ignition coil secondary windings, distributor cap, distributor rotor, ________ and spark plug wires.
A.
ignition switch
B.
coil primary winding
C.
spark plugs
D.
connecting wiring
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