Related Questions

A separately excited generator as compared to a self-excited generator
A Is amenable to better voltage control
B Is more stable
C Has exciting current independent of load current
D Has all above features
If a D.C. generator fails to build up the probable cause could not be
A Imperfect brush contact
B Field resistance less than the critical resistance
C No residual magnetism in the generator
D Faulty shunt connections tending to reduce the residual magnetism
When load on an over-excited or under excited synchronous motor is increased, rate of change of its armature current as compared with that of power factor is
A more
B less
C equal
D twice
If Bashar can run around a ground four times in 20 minutes and Rahim can run around the same ground three times in 12 minutes, who can run around that ground more times in an hour, and how many times more can he run around ?
A Bashar, three times more
B Rahim , three times more
C They both go around 12 times
D Bashar, eight times more
In a separately excited generator supplying rated load the armature reaction:
A Is always present
B Is always absent
C May be sometimes present
D None of the above
The series field of a short-shunt D.C. generator is excited by
A external current
B armature current
C shunt current
D load current
To build a modularized kernel, the kernel-headers and kernel-source packages must first be installed. Where will you find the kernel-headers and kernel-source?
A /usr/local
B /usr/src/linux
C /usr/sre/redhat
D /usr/bin
E None of the above
It is the duty of the common people to show respect and to obey the judicial orgam of the state. If a person fails to comply with an order of court or an act of resistance or insult to the Court or the judges and if he/she conducts likely to prejudice the fair trial of an accused person; punishable by fine or committed to person. Which of the following subject matter is reflected in the above paragraph?
A Rule of Law
B Independence of Judiciary
C Contempt of Court
D Natural Justice
Certain number of children were playing a game of football. There was a trial taking place on the field. In this trial the probability that a goal is scored is 2/5. The probability that a girl hits a goal is 7/10 whereas the probability that a boy hits a goal is 1/5. What will be the probability that not only a goal is hit but it is also hit by a boy?
A 14/50
B 7/50
C 2/5
D 2/25
Certain numbers of children were playing a game of football. There was a trial taking place on the field. In this trial the probability that a goal is scored is 2/5. The probability that a gril hits a goal is 7/10 whereas the probability than a boy hits a goal is 1/5. What will be the probability that not only a goal is hit but it is also hit by a boy?
A 14/50
B 7/50
C 2/5
D 2/25

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