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Which of the following statement/s is/are justified Gap contraction factor for the slot?
The average value of flux density must be taken into account to calculate the MMF required for the airgap.
The reluctance of the airgap with slotted armature will be more as compared to the smooth armature (core) machine.
The airgap reluctance for a machine having ventilation ducts will be more than a machine having no ventilation ducts.
All of these
The reluctance of the airgap with slotted armature will be more as compared to the smooth armature (core) machine.
Quick Summary: Practice and solve "Which of the following statement/s is/are justified Gap contraction factor for the slot?..." for Electrical - Electrical Materials. The correct answer is Option B: The reluctance of the airgap with slotted armature will be more as compared to the smooth armature (core) machine.. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Answer:
Option **(b) **