Англо-русско-казахский словарь физических терминов



жүктеу 2.49 Mb.
бет11/13
Дата13.09.2017
өлшемі2.49 Mb.
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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



1 lb/ft3

= 16029 kg/m3

FORCE



1 poundal

= 13826 dyne

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



1 ft lb

= 1.356 joule

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


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