Search
.Management Sciences
Category: Electrical Engineering Mcqs
An ideal switch is___________?
A. Lossless
B. Carry current in any direction when it is on
C. Does not carry any current in any direction when it is off
D. All of these
In a regenerative feed heating cycle, the optimum value of the fraction of steam extracted for feed heating________________?
A. decreases with increase in Rankine cycle efficiency
B. increases with increase in Rankine cycle efficiency
C. is unaffected by increase in Rankine cycle efficiency
D. none of the above
The good power factor of an induction motor can be achieved if the average flux density in the air gap is___________?
A. absent
B. small
C. large
D. infinity
The transient response of a system is mainly due to________________?
A. inertia forces
B. internal forces
C. stored energy
D. friction
The output of a feedback control system must be a function of_________________?
A. reference and output
B. reference and input
F. input and feedback signal
D. output and feedback signal
The high voltage winding is usually which of the following type ?
A. Cylindrical winding with circular conductors
B. Cross-over winding with either circular or small rectangular conductors
C. Continuous disc type winding with rectangular conductors
D. All of the above types
The steady state stability of the power system can be increased by_____________?
A. connecting lines in parallel
B. connecting lines in series
E. using machines of high impedance
D. reducing the excitation of machines
E. none of the above
____________are always double layer type?
A. Closed windings
B. Open windings
C. Either of the above
D. None of the above
Kirchhoff s current law states that
A. net current flow at the junction is positive
B. Hebraic sum of the currents meeting at the junction is zero
C. no current can leave the junction without some current entering it.
D. total sum of currents meeting at the junction is zero
Recent Comments