APPRENTICE LINEMAN TEST 1-4
QUESTIONS AND ANSWERS
The expression a(b + c) = ab + ac is an
example of applying_____Law. - Correct Answers -Distributive
Simplify the following expression.
5a+3(a+3) -a = - Correct Answers -7a+9
Solve for the unknown value in the following equation x/9=8 - Correct Answers -72
Solve for the unknown value in the following equation. 72/x=24 - Correct Answers -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 Answers -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 Answers -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 Answers -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 Answers -a. 48 W
, Anytime current flows through a resistance, ? is produced.
a. amperage
b. electricity
C. heat
d. voltage - Correct Answers -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 Answers -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 Answers -a. friction in
This block and tackle provides a mechanical advantage of? - Correct Answers -4:1
A single-block hung from a crossarm is being used to change the pull direction of a
rope. The fall and load lines parallel. Disregarding friction, the block and crossarm load
will be______when lifting a 300-pound object.
a.100 lbs
b. 150 lbs
C.300 lbs
d. 600 lbs - Correct Answers -d. 600 lbs
Sling tension equals the load being lifted when using a two-sling bridle hitch where the
sling angle is? to the load.
a.101
b.25°
C. 30°
d.45° - Correct Answers -C. 30°
Under what circumstances listed below is it acceptable to knot two slings together?
a. .
When the knot is under the object in a
basket configuration.
b. —
When the load is less than half the working load limit of the slings.
C.
_ When you need a different attachment at the end to safely connect to the litt device.
d.
QUESTIONS AND ANSWERS
The expression a(b + c) = ab + ac is an
example of applying_____Law. - Correct Answers -Distributive
Simplify the following expression.
5a+3(a+3) -a = - Correct Answers -7a+9
Solve for the unknown value in the following equation x/9=8 - Correct Answers -72
Solve for the unknown value in the following equation. 72/x=24 - Correct Answers -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 Answers -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 Answers -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 Answers -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 Answers -a. 48 W
, Anytime current flows through a resistance, ? is produced.
a. amperage
b. electricity
C. heat
d. voltage - Correct Answers -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 Answers -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 Answers -a. friction in
This block and tackle provides a mechanical advantage of? - Correct Answers -4:1
A single-block hung from a crossarm is being used to change the pull direction of a
rope. The fall and load lines parallel. Disregarding friction, the block and crossarm load
will be______when lifting a 300-pound object.
a.100 lbs
b. 150 lbs
C.300 lbs
d. 600 lbs - Correct Answers -d. 600 lbs
Sling tension equals the load being lifted when using a two-sling bridle hitch where the
sling angle is? to the load.
a.101
b.25°
C. 30°
d.45° - Correct Answers -C. 30°
Under what circumstances listed below is it acceptable to knot two slings together?
a. .
When the knot is under the object in a
basket configuration.
b. —
When the load is less than half the working load limit of the slings.
C.
_ When you need a different attachment at the end to safely connect to the litt device.
d.
