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# DFCCIL Executive Rapid Quiz 30

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Question 1

What is the capital of the Union Territory of Lakshadweep?

Question 2

A word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of matrix I are numbered from 0 to 4 and that of matrix II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g. : ‘A’ can be represented by 00, 13 and ‘T’ can be represented by 56, 68,89 etc. Identify the set for word MAIL.
MATRIX I MATRIX II Question 3

A negative voltage feedback amplifier has voltage gain without feedback, and feedback fraction If the lower cut-off frequency and upper cut-off frequency before feedback, what is the value of upper cut-off frequency after negative feedback?

Question 4

NEMA standards rate motors according to__________.

Question 5

A brass plate is to be silver-plated on both sides with a coating of thickness 0.25 mm. The work is to be completed in 5 hours. What should be the magnitude of current? E.C.E. of silver = 0.00112 g/C ; density of silver Question 6

n drops each of radius r and carrying charge q are combined to form a bigger drop of radius R. What is the ratio of potentials of bigger to that of the smaller?

Question 7

The generator of a power station produces an electric pressure by _________.

Question 8

Resistances and are connected in the form of a triangle. If a cell of e.m.f. 1.5 V and negligible internal resistance is connected across , the current through this resistor is

Question 9

Inside the earth pit, the earthing electrode should be placed

Question 10

Which of the following technology results in least power dissipation?
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