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MISCELLANEOUS INFORMATION Quantity

Unit

Formula

radiant intensity specific heat stress thermal conductivity velocity viscosity, dynamic viscosity, kinematic voltage volume wavenumber work

watt per steradian joule per kilogram-kelvin pascal (Pa) watt per metre-kelvin metre per second pascal-second square metre per second volt (V) cubic metre reciprocal metre joule (J)

W/sr J/kg•K N/m2 W/m•K m/s Pa•s m2/s W/A m3 (wave)/m N•m

Multiplication Factors

Prefix

SI Symbol

1 000 000 000 000 = 1012 1 000 000 000 = 109 1 000 000 = 106 1 000 = 103 100 = 102 10 = 101 0,1 = 10-1 0,01 = 10-2 0,001 = 10-3 0,000 001 = 10-6

0,000 000 001 = 10-9

0,000 000 000 001 = 10-12 0,000 000 000 000 001 = 10-15 0,000 000 000 000 000 001 = 10-18

tera giga mega kilo hecto* deka* deci* centi* milli micro nano pico femto atto

T G M k h da d c m µ n p f a

* To be avoided where possible.

THE PHONETIC ALPHABET A

B

C

D

E

F

G

H

I

Alpha

Bravo

Charlie

Delta

Echo

Foxtrot

Golf

Hotel

India

J

K

L

M

N

O

P

Q

R

Juliet

Kilo

Lima

Mike

November

Oscar

Papa

Quebec

Romeo

S

T

U

V

W

X

Y

Z

Sierra

Tango

Uniform

Victor

Whiskey

X-ray

Yankee

Zulu

THE GREEK ALPHABET

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