The heat dissipating capability of transformers of ratings higher than 30 kVA in increased by providing which of the following ?
A) Corrugations
B) Fins
C) Tubes
D) All of the above
Correct Answer:
Verified
Q11: The cold rolled grain oriented steel has
Q12: Cylindrical windings using circular conductors, employed in
Q13: Helical windings are used in
A)distribution transformers
B)power transformers
C)shell
Q14: Multi-layer helical windings are commonly used in
Q15: Disc windings are primarily used in
A)short capacity
Q17: Transformers with a capacity of upto _
Q18: The forced oil and air circulation method
Q19: The flash point of transformer oil should
Q20: The voltage control in electric supply networks
Q21: D.C. windings are
A)sometimes 2-layer type
B)never 2-layer type
C)always
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents