WHERE_WILL_SPEED-TORQUE_CHARACTERISTICS_WILL_LIE_WHEN_ARMATURE_REACTIO – McqOptions

MCQOPTIONS

1.	WHERE_WILL_SPEED-TORQUE_CHARACTERISTICS_WILL_LIE_WHEN_ARMATURE_REACTION_IS_CONSIDERED??$
A.	Below the speed-torque characteristics when armature reaction is not considered
B.	Above the speed-torque characteristics when armature reaction is not considered
C.	On the speed-torque characteristics when armature reaction is not considered
D.	Can be anywhere with the speed-torque characteristics when armature reaction is not considered
Answer» C. On the speed-torque characteristics when armature reaction is not considered

Discussion

No Comment Found

Related MCQs

400-V dc shunt motor takes a current of 5.6 A on no-load and 68.3 A on full-load. Armature reaction weakens the field by 3%. What is the ratio of full-load speed to no-load speed? Given: Ra = 0.18 Ω, brush voltage drop= 2 V, Rf = 200 Ω.
For speed x rpm, we get field current If1 and for speed y rpm, we get the field current If2. If y is greater than x then, ________________
Working range of the speed-torque characteristic, with increasing speed will ___________
Where will speed-torque characteristics will lie when armature reaction is considered?
WHERE_WILL_SPEED-TORQUE_CHARACTERISTICS_WILL_LIE_WHEN_ARMATURE_REACTION_IS_CONSIDERED??$
For speed x rpm, we get field current I<sub>f1</sub> and for speed y rpm, we get the field current I<sub>f2</sub>. If y is greater than x then, ________________$
Working_range_of_the_speed-torque_characteristic,_with_increasing_speed_will____________$
In which of the following method, effect of armature reaction is more?
400-V dc shunt motor takes a current of 5.6 A on no-load and 68.3 A on full-load. Armature reaction weakens the field by 3%. What is the ratio of full-load speed to no-load speed? Given: Ra = 0.18 ‚Äö√Ñ√∂‚àö√´¬¨‚àÇ, brush voltage drop= 2 V, R<sub>f</sub> = 200 ‚Äö√Ñ√∂‚àö√´¬¨‚àÇ.$
Speed regulation of a DC shunt motor is equal to 10%, at no load speed of 1400 rpm. What is the full load speed?