A. load flow
B. load flow and short-circuit
C. load flow and stability
D. load flow, short-circuit and stability
E. none of the above
Related Mcqs:
- The short circuit in any winding of the transformer is the result of_______________?
A. mechanical vibration
B. insulation failure
C. loose connection
D. impulse voltage - A balanced 3-phase system consists of_______________?
A. zero sequence currents only
B. positive sequence currents only
C. negative and zero sequence currents
D. zero, negative and positive sequence currents - The power loss is an important factor for the design of_______________?
A. transmission line
B. motor
C. generator
D. feeder - In order that current should flow without causing excessive heating or voltage drop, the relay contacts should_________________?
A. have low contact resistance
B. be clean and smooth
C. be of sufficient size and proper shape
D. have all above properties - Relays can be designed to respond to changes in________________?
A. resistance, reactance or impedance
B. voltage and current
C. light intensity
D. temperature
E. all above - Ionization in circuit breaker is facilitated by___________?
A. high temperature
B. increase of mean free path
C. increasing field strength
D. all of the above - Which of the following is the least expensive protection for overcurrent is low voltage system ?
A. Rewireable fuse
B. Isolator
C. Oil circuit breaker
D. Air break circuit breaker
E. None of the above - What will be the reflection co-efficient of the wave of load connected to transmission line if surge impedance of the line is equal to load ?
A. Zero
B. Unity
C. Infinity
D. None of the above - Overfluxing protection is recommended for_____________?
A. distribution transformer
B. generator transformer of the power plant
C. auto-transformer of the power plant
D. station transformer of the power plant - The material used for fuse must have_____________?
A. low melting point and high specific resistance
B. low melting point and -low specific resistance
C. high melting point and low specific resistance
D. low melting point and any specific resistance
