Q. The variation in terminal voltage of DC shunt generator with respect to variation in separately excited DC generator is ___________

View solution

Q. Which of the following characteristic lies above of all others?

View solution

Q. Why differential compound generator is not used in practice?

View solution

Q. How compounding level in a compound machine is adjusted?

View solution

Q. Which of the following have different external characteristic than other?

View solution

Q. For series DC generator, internal/external characteristic start from ____________

View solution

Q. For a given DC series generator with critical resistance equal to 100 Ω, armature resistance is equal to 50 Ω, and series field resistance is equal to 20 Ω, is connected across load of 50 Ω. What will be the load voltage?

View solution

Q. No load point of DC generator is __________

View solution

Q. Rf line intersects with OCC in ________

View solution

Q. How armature resistance effect is shown graphically?

View solution

Q. For determining IₐRₐ maximum _____________

View solution

Q. How demagnetization effect of armature reaction is shown graphically?

View solution

Q. External characteristics of DC shunt motor lies in ______________

View solution

Q. From magnetization characteristic at If = 7.1 A, Eₐ = 225 V at 1000 rpm. What will be the terminal voltage at speed 950 rpm?

View solution

Q. For a given compound DC machine, Net field current obtained from characteristic is equal to 7.5 A, where shunt field current is equal to 5 A, armature current is 505 A, demagnetizing current equal to 0.95 A and shunt field winding of 1000 turns at rated speed of 1000 rpm. What will be the series field turns?

View solution

Q. For connecting two generators in parallel, they should have __________________

View solution

Q. While connecting two DC generators in parallel, which of the following is not a desirable condition?

View solution

Q. We connect two generators in parallel _____________

View solution

Q. Load sharing of two generators connected in parallel is determined by __________

View solution

Q. For a parallel operation of 2 DC shunt generators, we get net external characteristics ___________

View solution