TNPSC combined service exam for Electrical and Instrumentation Engineering Model pape - 2017-2018 StudyChaCha

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Old May 15th, 2014, 12:46 PM
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Default TNPSC combined service exam for Electrical and Instrumentation Engineering Model pape

Any buddy, please provide me the TNPSC combined service exam for Electrical and Instrumentation Engineering Model paper……………
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Old May 20th, 2014, 04:25 PM
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Default Re: TNPSC combined service exam for Electrical and Instrumentation Engineering Model

As per your request here I am sharing the TNPSC combined service exam for Electrical and Instrumentation Engineering Model paper:

14. DC series motors are best suited for traction because
. torque is proportional to the square of the armature current and speed is
proportional to the torque.
B) torque is proportional to the square of the armature current and speed is
inversely proportional to the torque.
C) torque and speed both are proportional to the square of the armature
current.
D) none of these.

16. The damping winding in a synchronous motor is generally used to
A) prevent hunting and provibe the starting torque
B) reduce eddy currents .
C) minimise vibrations
D] reduce noise level.

18. The disadvantage of startlng an induction motor with a star-delta starter is that
AJ the starting torque is one-third of the torque in case of delta connection
B) during startlIlg high losses result
C) the starting torque tncreases and the motor runs with jerks
D) none of these.


TNPSC combined service exam for Electrical and Instrumentation Engineering Model paper




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