Apprentice lineman test 1-4 UPDATED ACTUAL Questions and CORRECT Answers

Apprentice lineman test 1-4 UPDATED
ACTUAL Questions and CORRECT
Answers
The expression a(b + c) = ab + ac is an

example of applying_____Law. - CORRECT ANSWER - Distributive


Simplify the following expression.

5a+3(a+3) -a = - CORRECT ANSWER - 7a+9



Solve for the unknown value in the following equation x/9=8 - CORRECT ANSWER - 72



Solve for the unknown value in the following equation. 72/x=24 - CORRECT ANSWER - 3


What (Ohm's Law) mathematical equation is used when / and R are known and E is to be determined?
a. E =IxR
B. E=I/R
C. E=R/I

D. E=I^2x R - CORRECT ANSWER - A. E=IxR


• How much current will flow through a circuit that has 50 ohms of resistance and an applied voltage of
120 volts?
a. 0.024 A
b. 0.24 A
c. 2.4 A

d. 24 A - CORRECT ANSWER - c. 2.4 A


An electric heater has a resistance of 46.75 ohms and draws 4.7 amperes. The circuit voltage is ?
a. 10 V

, b. 100 V
c. 120 V

d. 220 V - CORRECT ANSWER - d. 220 V


If a circuit has a load resistance of 300 ohms and an applied voltage of 120 volts, how much power is
consumed in the circuit?
a. 48 W
b. 250 W
C. 300 W

d. 36,000 W - CORRECT ANSWER - a. 48 W


Anytime current flows through a resistance, ? is produced.
a. amperage
b. electricity
C. heat

d. voltage - CORRECT ANSWER - C. heat


If an electric motor draws six amperes and has a resistance of 13.33 ohms, the power consumed by this
motor is ?
a. 2.22 W
b. 80 W
C.480 W

d. 1,066 W - CORRECT ANSWER - C.480 W


Part of the lifting force is lost due to ______the turning of the sheaves and the rope bending over the
sheaves, when lifting a load with a block and tackle system.
a. friction in
b. Stress on
C. the block weight and

d. the speed of - CORRECT ANSWER - a. friction in