1000+ Electrical and Electronics Engineering (EEE) Online Test - 2

Question: 6

During carbon arc welding if electrode is connected to positive

(A) arc will be dull

(B) arc will not strike

(C) carbon will have tendency to go into the weld joint

(D) metal will not melt

Question: 7

Electrical appliances are not connected in series because

(A) appliances have different current ratings

(B) power loss is more

(C) series circuit is complicated

(D) none of these

Question: 8

A standard 40 W tube light is in parallel with a room heater and both are connected to main supply line. What will happen when light is switched off?

(A) the heater output will remain same

(B) the heater output will increase

(C) the heater output will decrease

(D) none of the above

Question: 9

During charging the specific gravity of the electrolyte of a lead acid battery

(A) increases

(B) decreases

(C) becomes zero

(D) remains the same

Question: 10

Which of the following are the applications of D.C. system?

(A) arc lamps for search lights

(B) electrolytic and electro chemical processes

(C) battery charging work

(D) all of the above