电源系统试题及答案（国外英文资料）.docVIP

电源系统试题及答案（国外英文资料） The power supply system The power supply system A, multiple choice The goal of forming a pad group together with polar plates is (). B. a. improve real time voltage of the battery increase battery capacity c. d. improve battery electromotive force increases the volume of A storage battery The density of the electrolyte during the charging process (). A. step b. reduce c. change d. slow down The rated capacity of the type 6 - q-105 start battery is () A · h. A. b. b. c. d. c. When the battery is discharging, increase the discharge current If, the capacity of the battery (). A. step b. change c. decrease d. slow The starting battery has the voltage () during the charging process. A. slow down b. constant c. decrease d. increase 6. When the starting battery is fully charged, Battery cell voltage is () V. A. 12 b. c. 2.d. .. The rechargeable electrolyte forms the so-called boiling state, because it is produced and is released in a bubble form. Oxygen (O2) and hydrogen (H2) b. nitrogen C. the temperature of the electrolyte is too high 8. Lead battery placed for long, after long-term insufficient charging or discharging on the plate will be gradually generated a white layer of lead sulfate coarse grain, this phenomenon is called (). A) lead hardening b. sulphate. Lead to the softening of c. electrolyte The mark on the generator shell is usually marked (). A. b. c. d. If one end of the excitation winding is introduced by a carbon brush, it is made of iron on the generator casing, which is called (). A: its made of iron C. neither the inner nor the iron 11. Silicon diode with unidirectional conductivity, using this feature, in the ordinary course of the alternator, using () only silicon diode of three-phase bridge rectifier circuit, it can be ac DianZhuan into direct current. A. 12 b. c. d. c. The voltage of the three phase winding of silicon rectifying generator is equal to that of the full wave rectifier voltage. A. 1/2 b. 2/3 c. 1 d. 2 The voltage of th