1.Which 1of the following appliance part gets the hardest service? A.Switch B.Thermostat C.Heating Element D.Line Cord
2. The color used for the hot side of house wiring is?
A.Green B.White C.Gray D.Black
3.AWG No.16 linecord with type HPN insulation has an ampacity? A.12amp B.13amp C.15amp D.17amp
4.To heat a room quickly, some electric room heaters R provided with? A.heavy metal case B.motor-driven fan C.pushbutton switch D.automatic thermostat.
5.If the current flowing through an electric heater increases from 6-12 amp while the voltage remains the same, the heat produced by the heater will b? A.reduced 1half B.unchanged C.2X'sthe original heat D.4X's the original heat.
6.The wires used in a heating element are usually made of?
A.Copper B.Steel C.Aluminum D.Nichrome.
7.Why does a thermostat blade bend when heated or cooled?
A.Made of 2different materials B.difference in temp. between the blade ends C.diff. currents are applied @ the ends?
2007-02-01 15:12:19 · 3 answers · asked by jennie m 1 in Science & Mathematics ➔ Engineering
1: C
2: D
3: B
4: B
5: C P=EI
6: D
7: A often refered to as bi-metal strip
Note, Depending on what is meant by "hardest service" number 1 could be the switch. The switch gets the brunt of the arcing and burning due to repeated use and is replaced more often.
The rest are a slam dunk.
2007-02-01 16:45:00 · answer #1 · answered by LeAnne 7 · 0⤊ 0⤋
1 Define hardest service. I'd guess the cord.
2 black
3 You'll have to look this up in a table.
4 motor driven fan
5 4x: Power = I^2 * R
6 nichrome
7 that's why they call it a bi-metal strip
2007-02-01 15:46:15 · answer #2 · answered by vrrJT3 6 · 0⤊ 1⤋
India had a near perfect match after Australia's first innings batting,i thought it was good first innings from Aussies but India scored so fast thanks to Dhawan and co and Australia's second innings capitulation that happened so quickly on the last day cannot be explained even by Ian Chappell.Batting for India clicked so well in this series,they had a near perfect match.Australia should've drawn this match but they ended up losing on the last day thanks to some poor batting in second innings.
2016-05-24 04:09:01 · answer #3 · answered by Wendy 4 · 0⤊ 0⤋