A.110/220 volt 3 phase or B. 110/220 volt single phase

(1)From a 4 wire 3 phase wireing system one may obtain?
A.3 phase power only or
B.3 phase power and single phase ligthing..

(2)A person has 3 wire 120/240 volt servicethe voltage from feeder to feeder is? A.120V or 240v..

(3)A person has 3 phase 120/240 4 wire service the voltage from the phase wire to the neutral or common ground is ?
A.240v or B.208v...

(4)You have a 3 wire enclosed entrance switch,serving 120/240 volt single phase service would you?
A.fuse all 3 fuseholders B.fuse 2 outside fuseholder C.fuse solid...

(5)You have an electric customer with a 70% power factor on his electric equiptment to correct this to 85% would you?
A.increase voltage B.decrease voltage C.install capacitors

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