Question 1

As compared to a 2-wire D.C. distributor, a 3-wire distributor with same maximum voltage to earth uses only

Accepted Answer

A) 31.25 percent of copper 
B) 33.3 percent of copper 
C) 66.7 percent of copper 
D) 125 percent of copper 
A) 31.25 percent of copper 
B) 33.3 percent of copper 
C) 66.7 percent of copper 
D) 125 percent of copper

Question 2

In a D.C. 3-wire distribution system, balancer fields are cross-connected in order to

Accepted Answer

A) boost the generated voltage 
B) balance loads on both sides of the neutral 
C) make both machine^ run as unloaded motors 
D) equalize voltages on the positive and negative outers 
A) boost the generated voltage 
B) balance loads on both sides of the neutral 
C) make both machine^ run as unloaded motors 
D) equalize voltages on the positive and negative outers

Question 3

The spacing between phase conductors of a 220 kV line is approximately equal to

Accepted Answer

A) 2 m 
B) 3.5 m 
C) 6 m 
D) 8.5 m 
A) 2 m 
B) 3.5 m 
C) 6 m 
D) 8.5 m

Question 4

In a D.C. 3-wire distributor using balancers and having unequal loads on the two sides

Accepted Answer

A) both balancers run as generators 
B) both balancers run as motors 
C) balancer connected to lightly- loaded side runs as a motor 
D) balancer connected to heavily- loaded side runs as a motor 
A) both balancers run as generators 
B) both balancers run as motors 
C) balancer connected to lightly- loaded side runs as a motor 
D) balancer connected to heavily- loaded side runs as a motor

As compared to a 2-wire D.C. distributor, a 3-wire distributor with same maximum voltage to earth uses only

In a D.C. 3-wire distribution system, balancer fields are cross-connected in order to

The spacing between phase conductors of a 220 kV line is approximately equal to

In a D.C. 3-wire distributor using balancers and having unequal loads on the two sides

Electrical Power Transmission and Distribution

Transmission System and Equipment

Electrical Transmission and Insulation

Filters

Exam 2: Electrical Supply and Distribution

As compared to a 2-wire D.C. distributor, a 3-wire distributor with same maximum voltage to earth uses only

In a D.C. 3-wire distribution system, balancer fields are cross-connected in order to

The spacing between phase conductors of a 220 kV line is approximately equal to

In a D.C. 3-wire distributor using balancers and having unequal loads on the two sides

Electrical Power Transmission and Distribution

Transmission System and Equipment

Electrical Transmission and Insulation

Filters