
ABE RURAL ELECTRIFICATION
Quiz
•
Physics
•
4th - 5th Grade
•
Practice Problem
•
Medium
YJ Otero
Used 43+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
0 sec • 1 pt
How many square millimeters is AWG No. 10 wire?
8.0
2.6
5.5
NOTA
2.
MULTIPLE CHOICE QUESTION
0 sec • 1 pt
If the unit of resistance is ohms, what is the unit of conductance?
ohms
rho
langleys
mhos
3.
MULTIPLE CHOICE QUESTION
0 sec • 1 pt
Unit for magnetic flux
tesla
flux
magnetic flux
weber
4.
MULTIPLE CHOICE QUESTION
0 sec • 1 pt
A parameter called power factor must be included in the computation of power in AC installation. This “safety” factor could take a value of except
0.05
0.99
1.0
1.2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A building plan requires the installation of 65 general-purpose outlets. How many 15-amp branch circuits are needed?
8
10
7
5
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A motor draws 10 A from a 220-V supply at a power factor of 0.75. If the power delivered is 1.4 hp, what is the efficiency of the motor?
63.3%
47.5%
157.99%
Cannot be determined
7.
MULTIPLE CHOICE QUESTION
0 sec • 1 pt
At what speed will a 14-pole, 60-cycle induction motor operate if the slip is 0.09?
864 rpm
648 rpm
468 rpm
486 rpm
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