试题与答案

有一条380V低压干线,供电给30台小批生产的冷加机床电动机,总容量为200kW,其

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题目:

有一条380V低压干线,供电给30台小批生产的冷加机床电动机,总容量为200kW,其中较大容量的电动机有10kW1台,7kW3台,4.5kW8台。试分别用需要系数法和二项式系数法计算该干线的计算负荷。

答案:

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Work-Study Program

The Work-Study Program gives you the chance to work part-time on campus. If you need more money to cover all of your education-related costs, you may be qualified for this program.

Advantages

· Work experience: Last year, more than 1,400 positions were available across all departments. The jobs vary from one department to the next, and in most cases, participants find a position in their chosen field.

· Money: During the regular academic year (September to April), you can work part-time and earn $3,200---sometimes more---while you take courses! During the summer time, you work full-time and can earn around $6,000 over 18 weeks.

·Easy access: Applying for the program is easy. There is no need for face-to-face interview. All the forms you need are online; just fill in the forms and email us; we accept no letter or phone application!

Did you know?

At the University of Ottawa, it is not essential to receive government assistance to qualify for our Work-Study Program. You simply need to demonstrate(证明)financial need.

You could have one of these great Work-Study jobs:

·Student ambassador

·Computing and network technician

·Marketing assistant

·Sports team manager

·Researcher / translator

·Writer

And more!

The Admission Section receives and evaluates applications to undergraduate programs, in addition to answering applicants’ questions.

Phone: 613-562-5315         Toll-free: 1-877-868-8292 (#5315)

Financial Aid & Awards Service Section:

Phone: 613-562-5734         Toll-free phone: 1-877-868-8292

Regular Office Hours: Monday to Friday

September to May: 9 a.m. to 4:30 p.m.

June to August: 9 a.m. to 3:30 p.m.

小题1:To earn most each month, you may choose to work __________.

A.from April to September

B.during the daytime

C.from May to August

D.most of the weekends小题2:To be admitted by the program, you need to ___________.

A.get some government assistance first

B.have much working experience

C.perform well in your studies

D.explain your financial need first小题3:How can students apply for a working position?

A.Through the internet.

B.By phone.

C.By face-to-face interview.

D.By letter.

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