THERMOMETER
Fahrenheit | Centigrade |
Fahrenheit
|
Centigrade
| 212 | 100 |
98.6
|
37
| 194 | 90 |
96.8
|
36
| 176 | 80 |
95
|
35
| 158 | 70 |
86
|
30
| 140 | 60 |
77
|
25
| 122 | 50 |
68
|
20
| 113 | 45 |
59
|
15
| 107.6 | 42 |
50
|
10
| 105.8 | 41 |
41
|
5
| 104.0 | 40 |
32
|
0
| 102.2 | 39 |
23
|
- 5
| 100.4 | 38 |
14
|
- 10
|
DENSITY
-
FORCE
-
PRESSURE; STRESS
1 lb/in2
|
= 0.070 kg/cm2
|
1 in. Hg
|
= 33.86 mb
|
TEMPERATURE
Temp. o F
|
= (1.8 x temp. o C) + 32
|
HEAT
1 B.t.u.
|
= 778 ft lb
|
= 1055 joule
= 252 calorie
|
1 Therm
|
= 105 B.t.u
|
= 25200 Cal
|
WORK
POWER
1 horse power.
|
= 550 ft lb/sec
= 746 watt
|
= 1.014 C.V.
= 76.04 kg m/sec
|
1 watt
|
|
= 0.102 kg m/sec
|
SPEED AND M.P.G.
60 miles/hour (m.p.h.)
|
= 88 ft/sec
|
= 96.6 km/h
|
1 knot
|
= 1 nautical mile/hour
|
= 1.85 km/h
|
30 miles/gallon
|
= 10.6 km/litre
|
= 9.4 litre/100 km
|
APPENDIX 2
SYMBOLIC SIGNS OF PHYSICAL QUANTITIOES
УСЛОВНЫЕ ОБОЗНАЧЕНИЯ ФИЗИЧЕСКИХ ВЕЛИЧИН
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