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SSC JE EE : Technical Quiz 14
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Question 1
The windings of a 20 kVA, 200 V/2 kV, single phase two winding transformer is reconnected as autotransformer of 2000 V/2200 V, then what will be the ratio of output kVA of autotransformer to two winding transformer?
Question 2
By adding nearly 1% of cadmium to the copper conductor, we get cadmium copper conductor, which of the following result is obtained?
Question 3
In case of extra high voltage lines, the minimum clearance required above ground should be.
Question 4
For which among these applications is porcelain used?
I. Enclosure for CTs and circuit breakers
II. Enclosure for large indoor transformers
III. Enclosure for bushing
IV. Support for bus bars
Question 5
In a standalone synchronous generator, impact of increase in a real power load with governor valve control is
Question 6
Following type control system use the concept of an open loop system as its forward path but has one or more feedback loop or paths between its output and its input.
Question 7
_______ possess NO free–charge carriers and thus are non–conductive.
Question 8
A reactance relay is
Question 9
A single-phase AC circuit having resistance R = 6 Ω & Inductance L = 26 mH. Find the maximum current supplied by source voltage of 220 sin(50t)?
Question 10
______ can be defined as an abnormal connection of very low impedance between two points of different potential whether made intentionally or accidentally.
Question 11
Some metals lose all resistivity abruptly and completely at some low temperatures, above 0 K. This phenomenon is called
Question 12
The temperature errors in Induction instruments can be compensated by
Question 13
Which of the following type of magnet is not used in manufacturing of permanent magnet machines?
Question 14
Zener effect is defined as
Question 15
Which of the following below is the difference in Ballistic galvanometer with respect to PMMC meter?
Question 16
Calculate the peak factor for given wave form.
Question 17
A 3-wire system requires only 5/16th (or 31.25%) as much copper as a 2-wire system. The above calculation is carried out using assumptions. Which of the following assumption is incorrect?
Question 18
Heating element of electric iron box is an alloy of
Question 19
Which of the following is not an advantage of using 25 kV, 50 Hz AC system in electric traction?
Question 20
__________ is equal to the current passing through short circuited output terminals.
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AE & JE ExamsDec 14AE & JE Exams