Show:
Ohm's Law
Repair Costs
Scale Drawing
Conversions
Misc.
100
How much current goes through the circuit with 15.5 volts and 5 ohms resistance?
3.1 amps
100
What is 7% of $123?
$8.61
100
How long is a building if the scale is 1/4 inch = 1 foot and the line on the drawing is 6 inches?
24 feet
100
1 horse power = _________ watts
746
100
If the radius of a circle is 12 inches, what is the diameter of that circle?
24 inches
200
How much voltage goes thru the circuit with 6.2 ohms and 5.1 amps?
31.62 volts
200
What is 20% of $375?
$75
200
How long is a line on a scale drawing if the scale is 1/2 inch to a foot and the building is 62 feet long?
31 inches
200
1 watt = _______ btu/hour
3.413
200
If the diameter of a circle is 12.5 inches, what is the radius expressed as a fraction?
6 1/4 inches
300
How much resistance is there in the circuit with 25 volts and 5 amps?
5 ohms
300
What is the total invoice for a job costing $1452 for parts and $346 for labor with 7% sales tax?
$1899.64
300
How tall is a building that has a scale drawing of 1/4 inch is equal to 1 foot and the drawing shows a 3 1/2 inches long?
14 feet
300
_______ cfm per 1 ton of A/C
400
300
When 2 run capacitors having values of 20 MFD and 10 MFD are connected in parallel, what is the combined value?
30 MFD
400
What unit of measure is used to measure current?
Amps
400
What is 7% of $4520
$316.40
400
How wide is a building with a scale of 1/4 inch = 1 foot that is 3 3/4 inches on the drawing?
15 feet
400
How many btu/hr does it take to change 1 pound of ice at 32 degrees to 1 pound of water?
144
400
If half the radius of a circle equals 4.5 inches, what is the diameter of that circle?
18 inches
500
What device is used to measure current?
Ammeter
500
.What is the total for an invoice that charges $8354 for parts, 55% of the parts for labor and 7% tax on the parts?
$13,533.48
500
How long is a building with a scale drawing of 1 inch = 1 foot if the line on the drawing is 3 feet?
36 feet
500
1 ton of refrigeration = __________ btu/hr
12,000
500
The quoted labor estimate for a repair was 12 hours and $935.50. If the actual repair took 11 hours, the final labor cost is how much?
$857.54