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SSC JE EE : Technical Quiz 9
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Question 1
To limit current chopping in vacuum circuit breakers, the contact material employed should have the properties of
Question 2
A PMMC instrument having meter resistance of 150 Ω is required to use as an extension of current range by connecting shunt resistance of 30 Ω. Find the value of multiplication factor for the instrument.
Question 3
Which of the following statement is true regarding the method of starting of synchronous motor?
Question 4
Match the rating of different types of load which are listed as in Table (A) & table (B)?
Question 5
In a salient Pole synchronous machines if the field current reduces to zero. Then which one of the following statement I true?
Question 6
Which of the following is the most common protection device that can make or break the circuit either manually or through remote control under normal operating conditions.
Question 7
Which of the following relation is correct, where A.U. represents angstrom unit?
Question 8
The initial rate of rise of current through the coil inductance 2 H when sudden connected to DC supply of 200 V.
Question 9
The following have a high electrical resistance and essential in order that the current drawn by them is small and consequently the power absorbed is small.
Question 10
While connecting three phase transformer in star-star connection, the terminals of secondaries are wrongly joined. Then the mutual phase angle and magnitude of line to line voltages of secondaries will be
Question 11
In salt bath heating, the current is allowed to flow only through the
Question 12
Hysteresis loss (Ph) is computed using the equation
Question 13
Which of the following is not induction motor?
Question 14
In AC bridges, the Wagner earth devices are used to
Question 15
In which year important rule “INDIAN ELECTRICITY RULES” for safety & earthing practice is launched?
Question 16
Which law states: The sum of voltages around a closed loop circuit is equal to zero.
Question 17
Energy stored by a coil is tripled when its current increased by what percent?
Question 18
Eddy current loss and hysteresis loss in transformer is proportional to
Question 19
Which one of the following statement is correct for a three-phase induction motor?
Question 20
A current of is flowing through PMMC and moving iron type instrument. Then the ratio of two currents as MI to PMMC is
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AE & JE ExamsJun 29AE & JE Exams