Quiz. Evaluate the following problems. Show your solution and encircle your final answer. 1. In a 25-kVA‚ 2000/200 V‚ single phase transformer‚ the iron and full load copper losses are 350 W and 400 W respectively. Calculate the efficiency at unity power factor on a) full load‚ b) half full-load. 2. If P1 and P2 be the iron and copper losses of the transformer on full load‚ find the ratio of p1 and P2 such tat maximum efficiency occurs at 75% full load. 3. A 5-kVA‚ 2300/230 V‚ 50 Hz transformer
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Hum of Insects – Robert Lynd As the hum of insects and noises of birds are associated with nature and seasons‚ so are they connected to our life‚ right from our childhood. When we grow up‚ these sounds occasionally pull us back to our childhood. In a way‚ our happiness‚ other than that achieved from people‚ has its origin in the nature‚ in spring and summer‚ in the hum and noises of insects and birds. The author begins with insects like bees‚ wasps and mosquitoes and analyse their behavior Insects
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Solution sto Chapter 2 Problems Accounting Judgements Questions 1. Accounting principles include: (a) Underlying assumptions – basic underlying assumptions that make accounting possible. (b) Qualitative criteria – standards to judge policy choices in conjunction with reporting objectives. (c) Measurement methods – ways to measure results and financial position. 2. The importance of establishing a document such as the IASB’s Framework is that this material helps standard setters when
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SOLUTIONS Financial Management Seminar + Homework‚ Week 5 1. Starware Software was founded last year to develop software for gaming applications. Initially‚ the founder invested $800‚000 and received 8 million shares of stock. Starware now needs to raise a second round of capital‚ and it has identified an interested venture capitalist. This venture capitalist will invest $1 million and wants to own 20% of the company after the investment is completed. a. How many shares must the venture capitalist
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22. Project NPV Hindustan Motors has been producing its Ambassador car in India since 1948. As the company’s website explains‚ the Ambassador’s “dependability‚ spaciousness‚ and comfort factor have made it the most preferred car for generations of Indians.” Hindustan is now considering producing the car in China. This will involve an initial investment of RMB 4 billion.14 The plant will start production after one year. It is expected to last for five years and have a salvage value at the end of
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Hum of insects According to the author the humming of the insects in the bedroom is as good as the buzz of the dentist’s drill or the sawmill. The bee and the wasp are considered to be the noble insects ‚ the bee is morally higher because it does not bite without provocation and does not give malaria like mosquito but give honey instead. It helps in multiplying the fruits and aims at living a quiet life. The victims of the angry bee in the lesson were – a dog‚ a turkey – as it doesn’t see
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What is air pollution? "Let’s go out for a breath of fresh air" is an often-heard phrase‚ but how many of us realize that this has become irrelevant in today’s world? The quality of air in our cities is anything but fresh. Air pollution is a serious problem in our society these days. We need to take action to help prevent air pollution before it is to late. To help prevent air pollution are; we could run cars on water or batteries which are environmentally safe or even car pool more‚ ban aerosol cans
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Social Problem of the Industrial Age How was the Social Problem addressed during the Industrial Age (social movement‚ law‚ etc.)? Was the Social Problem addressed successfully? Be sure to support your opinion with evidence from the lesson or your research. Is the Social Problem still an issue today? How? Child Labor Social Reformers like Mother Jones addressed the fact of Child Labor This Social Problem was addressed Successfully‚ through groups and speakers‚ they talked to the public‚ addressing
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We feel money and power can bring happiness and solve problems but they are not definite causes of those desired states .If that were so‚it would follow that those who have wealth would always be happy and those who do not would always suffer. Money and power facilitate‚but it is clear that they are not the primary causes of happiness and solving our problems.It is justified for us to make material and financial development for building our nation but inner development is also important.What will
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Name: Period: Date: Electrostatics: Electric charges and Coulomb’s Law problems I I. Answer the following problems. 1. Calculate the electric force between two point charges of 4.00 µC and 3.00 µC when they are 2.00 cm apart. 2. Two points of equal charge produce an electric force on each other of 3.40x10 -2 N when placed 0.100 m apart. What is the charge on each point? 3. How far apart are two point charges of 2.0x10-6 C and 4.0x10-6 C if they produce an electric force of 0.56
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