|
MISCELLANEOUS
CONSTANTS |
|
MECH. EQUIV. HEAT |
ONE BTU = 777.5 FT. BLS. |
|
ONE HP = 42.4 BTU PER MINUTE |
|
ATMOSPHERIC PRESSURE |
14.7 LBS. PER 1 SQUARE INCH = 30 INCHES OF MERCURY AT 62 DEGREES
FAHRENHEIT |
|
PI |
3.1416 RATIO OF CIRCUMFERENCE TO DIAMETER OF CIRCLE |
|
WEIGHT OF ONE CUBIC FOOT OF WATER |
62.42 POUNDS AT 17 DEGREES CELSIUS |
|
WEIGHT OF ONE CUBIC FOOT OF AIR |
.07608 POUNDS AT 62 DEGREES FAHRENHEIT AND 14.7 PSI |
|
ONE FOOT HEAD OF WATER |
0.433 POUNDS PER SQUARE INCH PRESSURE |
|
ONE INCH |
2.540 CENTIMETERS |
|
ONE YARD |
0.9144 METERS |
|
ONE CUBIC INCH |
16.39 CUBIC CENTIMETERS |
| |
|
ALL VALUED AT 100% LOAD |
|
AT 460 VOLTS->A 3-PHASE MOTOR DRAWS 1.25 AMPS PER
HP |
|
AT 230 VOLTS-> A 3-PHASE MOTOR DRAWS 2.5 AMPS PER
HP |
|
AT 230 VOLTS-> A SINGLE-PHASE MOTOR DRAWS 5 AMPS PER HP |
|
AT 115 VOLTS-> A SINGLE-PHASE MOTOR DRAWS 10 AMPS PER HP |
