Q5- Select the correct answer for the alternatives given 1-1-The liquid dielectrics contain voids or cavities within the medium or at the boundaries between the dielectric and the electrodes. The electric field strength in the voids is a. Lower than that across the dielectric b. Higher than that across the dielectric c. Equal to that across the dielectric d. None of these 2- Field in case of rod gaps and sphere gaps are a. Uniform, uniform b. Uniform, non-uniform c. Non-uniform, uniform d. Non-uniform, non-uniform 3- The statistical time lag depends upon the a. Size of gap b. Quantity of radiation that produces the primary electrons c. Amount of pre-ionization preset gap d. All of these 4- Liquids dielectrics are mainly used as a. Impregnants in high voltage cables b. In capacitors c. For filling up transformers d. All of these

Q5- Select the correct answer for the alternatives given 1-1-The liquid dielectrics contain voids or cavities within the medium or at the boundaries between the dielectric and the electrodes. The electric field strength in the voids is a. Lower than that across the dielectric b. Higher than that across the dielectric c. Equal to that across the dielectric d. None of these 2- Field in case of rod gaps and sphere gaps are a. Uniform, uniform b. Uniform, non-uniform c. Non-uniform, uniform d. Non-uniform, non-uniform 3- The statistical time lag depends upon the a. Size of gap b. Quantity of radiation that produces the primary electrons c. Amount of pre-ionization preset gap d. All of these 4- Liquids dielectrics are mainly used as a. Impregnants in high voltage cables b. In capacitors c. For filling up transformers d. All of these

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter12: Electronic Control Devices

Section: Chapter Questions

Problem 14RQ

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