Related Questions

Transfer function of transportation lag is
A ETs
B E-Ts
C $$\frac{1}{{{\text{Ts}} + 1}}$$
D None of these
Stability of a control system containing a transportation lag can be best analysed by
A Routh test
B Root locus methods
C Frequency response methods
D None of these
Relays are used for phase faults on long line.
A Impedance
B Reactance
C Either of the above
D None of the above
An alternative optimal solution to a minimization transportation problem exists whenever opportunity cost corresponding to unused route of transportation is:
A Positive & greater than zero
B Positive with at least one equal to zero
C Negative with at least one equal to zero
D None of the above
Switches and relays should be shown in this position with no operating force or applied energy:
A Normal
B Closed
C Offset
D Application
Which of the following relays is used on long transmission lines?
A Impedance relay
B Mho's relay
C Reactance relay
D None of the above
Discrimination between main and back up protection is provided by the use of relays which are
A fact
B sensitive
C slow
D none of the above
Thermal overload relays are used to protect the motor against over current due to
A short-circuits
B heavy loads
C grounds
D all of the above
Overload relays are of type.
A induction
B solid state
C thermal
D electromagnetic
E all above
The inverse definite mean time relays are used for over current and earth fault protection of transformer against
A heavy loads
B internal short-circuits
C external short-circuits
D all of the above

Next steps