1.02.
Besaran
– besaran praktis.
Panjang.
1 km = 1.000 m
1 m = 1.000 mm
1 inchi = 25,4 cm
1 foot = 304,8 mm
1 foot = 12 inchi
1 yard = 0,9144 m
1 yard = 3 feet
1 mile
(statute) = 1.609,3 m
= 5.280 feet
= 1.760 yard
= 0,8684 mile
(nautical)
1 mile
(nautical) = 1,852 m
= 6.080,27 feet
= 2.027 yard
= 1,1516 mile
(statute)
L
u a s .
1 km2
= 1.000.000
m2.
= 247,1 acre
= 10,76 X 10.000 ft2
= 0,3861
mile2
1 ha( hm2 ) = 10.000
m2
1 ha
= 25 rante.
1 rante = 400 m2.
I
s i.
1 liter = 1.000
cm3 =
1.000 cc
1
mililiter = 1 cm3
1 gallon (british) =
4,546 liter
=1,2009gallon(US)
1 gallon (US) =
3,7853 liter
=
0,83267 gallon ( British )
Waktu & frekwensi.
1
jam = 60 menit
1
menit =
60 detik.
1
kilo hertz ( kHz ) = 1.000 cycle
/ detik
1
hertz ( Hz ) =
1 cycle / detik.
1
kilo bita/detik (KBps) = 8 kilo
bit/detik(Kbps)
1
knot =
1,8532 km/jam
=
1 nautical mile/jam
=
1,151 statute mile/jam
1
km/jam = 0,5396 knot
Massa.
1
ton = 1.000
kilogram.
1
kwintal
=
100 kg
1
karat ( untuk intan berlian) = 0,2 gram
1
pon = 5 ons ( belanda )
1
ons =
100 gram ( belanda)
1
pound = 453,59243
gram ( inggris)
1
ounce =
28,35 gram ( inggris )
1
long ton = 1.016
kg ( inggris)
1
short ton = 907,185 kg ( amerika )
Tenaga.
1
ton = 1.000.000 gram.
1
kilogram = 1.000 gram.
1 megadyne ( Mdn )= 1.019,7 kg
1 newton ( N )
= 101,97 gram.
Tekanan
.
1 atmosfir = 760
mm air raksa.
1 bar = 1,0197 kg/cm2
1
atm
= 14,696 psi
= 1,033
kg/cm2
1 kg/cm2 = 14,227 psi.
Usaha.
1 kwh = 3.600.000
Joule
= 367.000 kgm
= 860 k cal.
=
3,413 btu
Daya
.
1 W = 0,102
kgm / detik
= 1 joule/detik
=
3,4129 btu/jam
=
0,01433 kcal/menit
1
kW = 1,36
pk
= 1,341
hp
1 pk = 75 kgm / detik
1 pk = 736 Watt
Panas.
1 KWh
= 860 kcal.
1
BTU ( British Thermal unit) = 0,252 kcal.
t
Fahrenheit = 5/9 ( t – 32 ) Celcius = 4/9( t – 32 ) Reaumur
t
Celcius = 4/5 t Reaumur = (9/5 t + 32) Fahrenheit
t
Reaumur = 5/4 t Celcius = ( 9/4t + 32 ) Fahrenheit.
Cahaya.
satuan kuat cahaya = lilin, satuan
arus cahaya = lumen,satuan kuat penerangan = lux.
kuat penerangan ( lux)=arus cahaya
(lumen) dibagi luas (m2)
Kuat penerangan pd satu titik = kuat cahaya ( lilin) dibagi
jarak (m) pangkat dua
1 lumen = 0,07958
lilin
= 0,001496
watt
1 lux
= 0,0929
lilin.ft
5,06, Berat Material tiap m3.
|
No
|
Material
|
Berat ( Kg )
|
catatan
|
|
1
|
Biji Dura
|
560
|
|
|
2
|
Biji Tenera
|
823
|
|
|
3
|
Kernel Basah
|
650
|
|
|
4
|
Kernel Kering
|
630
|
|
|
5
|
Fiber
|
390
|
|
|
6
|
Cangkang
|
600
|
|
|
7
|
Massa
Adukan
|
|
|
|
8
|
Abu incinerator
|
|
|
|
9
|
TBS
|
|
|
|
10
|
Berondolan segar
|
|
|
|
11
|
Berondolan rebus
|
|
|
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