A mercury arc rectifier possesses __________ regulation characteristics

Related Mcqs:

Selenium rectifier can be operated at temperatures as high as____________?

A. 25°C B. 40°C C. 60°C D. 75°C...

The efficiency of the copper oxide rectifier seldom exceeds____________?

A. 90 to 95% B. 85 to 90% C. 80 to 85% D. 65 to 75%...

When a rectifier is loaded which of the following voltage drops take place ?

A. Voltage drop in transformer reactance B. Voltage drop in resistance of transformer and smoothing chokes C. Arc voltage drop D. All of the above...

In a rotary converter I2R losses as compared to a D.C. generator of the same size will be___________?

A. same B. less C. double D. three times...

A rotary converter is a single machine with______________?

A. one armature and one field B. two armatures and one field C. one armature and two fields D. none of the above...