
Quiz 4 EM-1
Authored by Dr.Roger Rozario A P
Engineering
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which test is also called as back to back test?
Retardation test
Sumpner’s test
Field test
Voltage drop test
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
While conducting the sumpner’s test, the primaries of the two identical transformers are connected in parallel across the supply. The secondary’s are connected in
Parallel
Series opposition
Both in series and parallel
Not connected at all
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sumpner’s test is performed on _________
Single transformer at a time
Only two transformers at a time
Minimum 2 transformers at a time
Many transformers at a time
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following tests are enough to find all the parameters related to a transformer?
OC test
OC, SC test
OC, SC, Sumpner’s test
Sumpner’s test
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To conduct the open circuit test, test is conducted on the _____________
l.v. side
h.v. side
primary
secondary
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following mentioned losses occur in a transformer?
Hysteresis losses; Eddy current losses; Dielectric losses; Stray load losses
Hysteresis losses; Eddy current losses;
Dielectric losses; Stray load losses
Hysteresis losses; Eddy current losses; Stray load losse
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Short circuit test on transformers is conducted to determine ______
Core losses
Copper losses
Hysteresis losses
Eddy current losses
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