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In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: An induction motor can, therefore, be made without electrical connections to the rotor. B: Three-phase squirrel-cage induction motors are widely used as industrial drives because they are self-starting, reliable and economical. C: An induction motor's rotor can be either wound type or squirrel-cage type. D: An induction motor or asynchronous motor is an AC electric motor in which the electric current in the rotor needed to produce torque is obtained by electromagnetic induction from the magnetic field of the stator winding.
Some pens are divided among P, Q, R, and S. P gets twice the number of pens that Q gets. R gets the same number of pens as S gets. If P gets 25 pens more than S and the ratio of the number of pens that Q and R get 2 : 3, then what is the number of pens that S gets?
A sum of Rs. 12,500 is distributed among A, B, C and D such that A gets Rs. 800 more than what B gets, C gets twice of what B gets and D gets Rs. 900 more than what A gets. The ratio in which D, C, B and A receive the sums is:
The Head of a newly formed government desires to appoint five of the six elected members A,B,C,D,E and F to portfolios of Home,Power,Defence ,Telecom and Finance.F dose not want any portfolio if D gets one the five.C wants either Home or Finance or on portfolio.B says that if D gets either Power or Telecom then she must get the other one.E insists on a portfolio if A gets one. If a gets Home and C gets Finance,then which is NOT a valid assignment for Defence and Telecom?
(I) Even at no load a large 3-phase squirrel- cage induction motor is started at reduced voltage than rated. (II) If a large 3–phase squirrel-cage induction motor with no load is started at full voltage, it will be damaged.
Consider the following statement: 1. Initial load tests and routine load tests are carried out on test piles and working Piles, respectively. 2. In a pile load test, the allowable load can be taken equal to half the ultimate load at which the total settlement amounts to one-tenth of the pile diameter. 3. In a pile load test, the allowable load can be taken equal to two-thirds of the total toad which causes a plastic settlement of 6 mm. Which of the above statements are correct?
A farmer divides the herd of n cows among his four sons in such a way that the first son gets half the herd, the second son gets one-fourth, the third son gets gets 1/5 share and the fourth son gets 7 cows. What is the value of n accordingly?
A 3-phasle, 6-pole, 50 Hz induction motor has a full load speed of 960 rpm with its slip rings short circuited. The motor drives the constant load. If the speed is reduced to 800 rpm, then ohmic losses will _________
A 3-phase, 6-pole, 50 Hz induction motor has a full load speed of 960 rpm with its slip rings short circuited. The motor drives the constant load. If the speed is reduced to 800 rpm, then ohmic losses will be?
A 3-phase, 6-pole, 50 Hz induction motor has a full load speed of 960 rpm with its slip rings short-circuited. The motor drives the constant load. If the speed is reduced to 400 rpm, then ohmic losses will be?