1. Current chopping leads to





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MCQ->Current chopping leads to....
MCQ->A dc chopper V = 500 V feeds an electric fraction dc series motor. The chopping frequency is 400 Hz. The series inductance required to limit the maximum current swing to 10 A is....
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MCQ-> Rearrange the following six sentence (A) (B) (C) (D) (E) and (F) in the proper sequence to form a meaningful paragraph then answer the questions given below them (A)The woodcutter thankfully broke off from work and sat down to eat the delicious meal that his wife had sent for him (B)He was in a good mood that particular morning and soon started singing as he swung his axe at the log of wood in front of him (C)After he had eaten his meal and taken rest for a while the woodcutter got back to work (D)The hours passed and the sun became hotter than ever and very soon perspiration started breaking out on the woodcutter’s hands and face (E)One hot summer’s morning a woodcutter was hard at work chopping wood into small pieces so that he could sell them in the market (F)As it neared afternoon his wife sent their little son to him with food for the afternoonWhich of the following be the FOURTH sentence after rearrangement ?
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MCQ-> Read the passage carefully and choose the best answer to each question out of the four alternatives.Bertrand Russell in The Conquest of Happiness has said that the sole reason of unhappiness finding refuge in the heart of man is the unhindered growth of “self- centred passions”. These passions are more often materialistic. And in the pursuit of materialistic passions, man becomes alienated from the society. Failure in his pursuit often leads him to discontentment and dejection and he finds himself a misfit in this world. In the modern world, none is unaffected by stress. The stress to outdo the other in this mad rat race of consumerism often leads to depression.Even children are not spared from this. They are supposed to fare better than their classmates in examinations and other co-curricular activities. So man, right from childhood, has to face the brunt of being born in this fast changing society. A section of the youth, unable to cope with the expectations of their loved ones, either end their lives or experiment with drugs, for seeking temporary mental relaxation provided by the initial intake, encourages people to indulge in them more often. The body then becomes totally dependent on drugs and cannot survive without the daily dose. With regular intake the amount required to produce the effect also increases. This physical and mental dependence on drugs is called drug addiction. Drug addiction is a psychiatric, psychological and social problem. While persons of all ages and at all places are open to drug use the most susceptible among them are the youth. It has attained the proportions of almost an epidemic among the youth. It is mostly introduced to an unsuspecting person by his friends and is usually observed that once addicted to drugs, they initiate others to drugs. Some youngsters take to drugs because they are poked fun as if they do not use drugs. And some take drugs just to seek company or break boredom. In addition to these, other factors that lead to drug addiction are — lack of parental care and supervision, lack of moral and religious education, media and pop culture, broken homes, hatred for any authority, etc. Seeking refuge in drugs relieves tensions, eases depressions and removes inhibitions, although the period of ecstasy is apparently short-lived. Which of the following statements is true ?
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