A “dead front” switchboard is one ().

题目
单选题
A “dead front” switchboard is one ().
A

without switches on it

B

with insulated switches and no exposed terminals

C

without circuit breakers

D

without safety hand nails nor rubber mats

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相似问题和答案

第1题:

When things far away seem indistinct, one is probably ______.

A. near-sighted

B. far-sighted

C. astigmatic

D. suffering front cataracts


正确答案:A

    41.答案为A  此考题为细节题。根据文章第2段首句People who are near-sighted can only See things that are very close to their eyes就可以断定A正确。

第2题:

English is a ( ) language and should not be taught as if it were a ( )one.

A、living/ dying

B、living/ dead

C、alive/ dying

D、alive/ dead


参考答案:B

第3题:

设数组data[m]作为循环队列SQ的存储空间,front为队头指针,rear为队尾指针,则执行出队操作后其头指针front值为()

A、front=(front+1)%m

B、front=(front-1)%m

C、front=front+1

D、front=(front+1)%(m-1)


参考答案:A

第4题:

The velocity of the apparent wind can be more than the true wind,and come from the same direction,if certain conditions are present.One condition is that the ______.

A.Ship's speed must be less than the true wind velocity

B.True wind must be from dead astern

C.True wind velocity must be faster than the ship's speed

D.True wind must be from dead ahead


正确答案:D

第5题:

The control mode in which tile final control element is moved from one of two fixed positions to the other is known as______.

A.dead band action

B.neutral zone action

C.range

D.on-off action


正确答案:D

第6题:

Which of the following sentences use the rhetorical device of hyperbole?

A、She smiled that slow dragging smile.

B、Children these days would bust out of sheetmetal clothes.

C、Momma hadn’t thought that taking off my dress in front of Mrs. Flowers would kill me stone dead.

D、What on earth did one put on to go to Mrs. Flowers’ house?


参考答案:ABC

第7题:

---Dead slow ahead! ----Dead slow ahead! _______________

A.Engine dead slow ahead!

B.Engine dead ahead slow!

C.Engine slow dead ahead!

D.I do it right now


正确答案:A

第8题:

I like this house with a beautiful garden in front , but I don’t have enough money to buy__________.

A. one B. it C. this D. that


正确答案:B

第9题:

A head-on situation at night is one in which you see dead ahead a vessel showing ______.

A.one sidelight

B.one sidelight and a masthead light

C.one sidelight and two masthead lights

D.both sidelights of a vessel and her masthead light(s)


正确答案:D

第10题:

Approaching a anchorage in fog, you hear one short, one prolonged, and one short blast in that sequence on a ship’s whistle. This indicates ______.

A.A vessel towed

B.A vessel not under command and unable to maneuver.

C.A vessel anchored giving warning of her position.

D.A vessel stopped dead in the water.


正确答案:C
在雾中接近锚地,你听到它船连续一长一短一长的雾号,着说明一个锚泊船警告来船注意它的存在。

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