Question:
A 2 KW electric kettle takes 6 minutes to boil. how much does it cost to boil it once a day for 30 days at 21 c/kwh?
A
$2.52
Explaination
cost = power in KW x hours used x cost per KW= 2 x 0.1x 30 x 0.21= $2.52
Take more free practice tests for other ASVAB topics with our hvac certification test now!