Rectifiers And Converters — Part 2 MCQs with Explanations

all of the above is the correct answer to “The advantage of mercury arc rectifier is that”. This question is standard in competitive examination syllabi for Rectifiers And Converters.

none of the above is the correct answer to “The potential drop in the arc, in a mercury arc rectifier, varies”. This question is standard in competitive examination syllabi for Rectifiers And Converters.

75, 85 is the correct answer to “In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable”. This question is standard in competitive examination syllabi for Rectifiers And Converters.

operate on low temperatures is the correct answer to “The metal rectifiers, as compared to mercury arc rectifiers”. This question is standard in competitive examination syllabi for Rectifiers And Converters.

cathode is the correct answer to “In a mercury arc rectifier positive ions are attracted towards”. This question is standard in competitive examination syllabi for Rectifiers And Converters.

voltage only is the correct answer to “The internal efficiency of a mercury arc rectifier depends on”. This question is standard in competitive examination syllabi for Rectifiers And Converters.

Boron carbide is the correct answer to “The ignited or auxiliary anode in mercury arc rectifier is made of”. This question is standard in competitive examination syllabi for Rectifiers And Converters.

expenditure of energy in liberating electrons from the mercury is the correct answer to “The cathdde voltage drop, in a mercury arc rectifier, is due to”. This question is standard in competitive examination syllabi for Rectifiers And Converters.

partly a.c. and partly d.c. is the correct answer to “In a rotary converter armature currents are”. This question is standard in competitive examination syllabi for Rectifiers And Converters.

ions is the correct answer to “In a mercury arc rectifier______ flow from anode to cathode”. This question is standard in competitive examination syllabi for Rectifiers And Converters.

anode drop, cathode drop and arc drop is the correct answer to “The voltage drop between the anode and cathode, of a mercury arc rectifier comprises of the following”. This question is standard in competitive examination syllabi for Rectifiers And Converters.

Electrolysis is the correct answer to “In which of the following appUcations, direct current is absolutely essential”. This question is standard in competitive examination syllabi for Rectifiers And Converters.

phase is the correct answer to “In phase-shift control method the control is carried out by varying the of grid voltage.”. This question is standard in competitive examination syllabi for Rectifiers And Converters.

none of the above is the correct answer to “A mercury arc rectifier possesses ________ regulation characteristics”. This question is standard in competitive examination syllabi for Rectifiers And Converters.

10.4 V is the correct answer to “The ionization potential of mercury is approximately”. This question is standard in competitive examination syllabi for Rectifiers And Converters.

75°C is the correct answer to “Selenium rectifier can be operated at temperatures as high as”. This question is standard in competitive examination syllabi for Rectifiers And Converters.

Rotary converter is the correct answer to “Which of the following is reversible in action”. This question is standard in competitive examination syllabi for Rectifiers And Converters.

high power factor is the correct answer to “A rotary converter operates at a”. This question is standard in competitive examination syllabi for Rectifiers And Converters.