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M1.1 ARITHMETIC > WEIGHTS, MEASUREMENTS AND CONVERSION FACTORS > Flashcards

WEIGHTS, MEASUREMENTS AND CONVERSION FACTORS Flashcards

1
Q

MEASUREMENT SYSTEMS

WHAT ARE THE THREE SYSTEMS OF MEASUREMENT?

A
  1. BRITISH IMPERIAL UNITS
  2. UNITED STATES CUSTOMARY UNITS
  3. SI UNITS
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2
Q

MEASUREMENT SYSTEMS

WHAT DOES SI STAND FOR?

A

INTERNATIONAL SYSTEM OF UNITS

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3
Q

MEASUREMENT SYSTEMS

WHAT IS SI?

A

THE INTERNATIONAL DECIMAL SYSTEM OF WEIGHTS AND MEASURES
DERIVED FROM AND EXTENDING THE METRIC SYSTEM OF UNITS

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4
Q

SI UNITS

LENGTH

A

L,d,s
METRE
m

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5
Q

SI UNITS

MASS

A

m
KILOGRAM
kg

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6
Q

SI UNITS

TIME

A

t
SECOND
s

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7
Q

SI UNITS

SPEED, VELOCITY

A

v
METRE PER SECOND
m/s

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8
Q

SI UNITS

ACCELERATION

A

a
METRE PER SECOND SQUARED
m/s²

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9
Q

SI UNITS

TEMPERATURE

A

T
DEGREE CELCIUS
°C

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10
Q

SI UNITS

THERMODYNAMIC TEMPERATURE

A

T
KELVIN
K

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11
Q

SI UNITS

AREA

A

A
SQUARE METRE
m²

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12
Q

SI UNITS

VOLUME

A

V
CUBIC METRE
m³

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13
Q

SI UNITS

DENSITY

A

p(RHO)
KILOGRAM PER CUBIC METRE
kg/m³

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14
Q

METRIC SI PREFIXES

YOTTA

Y

A

1 000 000 000 000 000 000 000 000
10²⁴
YOTTAWATT

AT 24 I WENT ON A YACHT

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15
Q

METRIC SI PREFIXES

ZETTA

Z

A

1 000 000 000 000 000 000 000
10²¹
ZETTAWATT

AT 21 I ZETTLED WITH DOUG

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16
Q

METRIC SI PREFIXES

EXA

E

A

1 000 000 000 000 000 000
10¹⁸
EXAWATT

AT 18 I HAD MY FIRST EX

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17
Q

METRIC SI PREFIXES

PETA

P

A

1 000 000 000 000 000
10¹⁵
PETAWATT

AT 15 I PET A LLAMA

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18
Q

METRIC SI PREFIXES

TERA

T

A

1 000 000 000 000
10¹²
TERAWATT

AT 12 I WAS A TERROR

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19
Q

METRIC SI PREFIXES

GIGA

G

A

1 000 000 000
10⁹
GIGAWATT

AT 9 I GIGGLED A LOT

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20
Q

METRIC SI PREFIXES

MEGA

M

A

1 000 000
10⁶
MEGAWATT

AT 6 I WAS GETTING MEGA

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21
Q

METRIC SI PREFIXES

KILO

k

A

1 000
10³
KILOWATT

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22
Q

METRIC SI PREFIXES

HECTO

h

A

100
10²
HECTOWATT

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23
Q

METRIC SI PREFIXES

DEKA

da

A

10
10¹
DEKAWATT

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24
Q

METRIC SI PREFIXES

DECI

d

A

0.1
10-¹
DECIWATT

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25
Q

METRIC SI PREFIXES

CENTI

c

A

0.01
10-²
CENTIWATT

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26
Q

METRIC SI PREFIXES

MILLI

m

A

0.001
10-³
MILLIWATT

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27
Q

METRIC SI PREFIXES

MICRO

µ

A

0.000 001
10-⁶
MICROWATT

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28
Q

METRIC SI PREFIXES

NANO

n

A

0.000 000 001
10-⁹
NANOWATT

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29
Q

METRIC SI PREFIXES

PICO

p

A

0.000 000 000 001
10-¹²
PICOWATT

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30
Q

METRIC SI PREFIXES

FEMTO

f

A

0.000 000 000 000 001
10-¹⁵
FEMTOWATT

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31
Q

METRIC SI PREFIXES

ATTO

a

A

0.000 000 000 000 000 001
10-¹⁸
ATTOWATT

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32
Q

METRIC SI PREFIXES

ZEPTO

z

A

0.000 000 000 000 000 000 001
10-²¹
ZEPTOWATT

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33
Q

METRIC SI PREFIXES

YOCTO

y

A

0.000 000 000 000 000 000 000 001
10-²⁴
YOCTOWATT

34
Q

COMMON ENGINEERING CONVERSIONS - LENGTH

INCH - MM

A

MULTIPLY BY 25.4MM
1 INCH = 25.4 MM

35
Q

COMMON ENGINEERING CONVERSIONS - LENGTH

FOOT - INCH

A

MULTIPLY BY 12 INCH
1 FOOT = 12 INCHES

36
Q

COMMON ENGINEERING CONVERSIONS - LENGTH

METRE - CM

A

MULTIPLY BY 100
1 METRE = 100 CM

37
Q

COMMON ENGINEERING CONVERSIONS - LENGTH

METRE - FT

A

MULTIPLY BY 3.2808399
1 METRE = 3.2808399 FT

38
Q

COMMON ENGINEERING CONVERSIONS - VOLUME

US GAL - LITRE

A

MULTIPLY BY 3.785411784
1 US GAL = 3.785411784 L

39
Q

COMMON ENGINEERING CONVERSIONS - VOLUME

US GAL - US PINT

A

MULTIPLY BY 8
1 US GAL = 8 US PINTS

40
Q

COMMON ENGINEERING CONVERSIONS - VOLUME

IMP GAL - LITER

A

MULTIPLY BY 4.546
1 IMP GAL = 4.546 L

41
Q

COMMON ENGINEERING CONVERSIONS - VOLUME

IMP GAL - IMP PINTS

A

MULTIPLY BY 8
1 IMP GAL - 8 IMP PINTS

42
Q

COMMON ENGINEERING CONVERSIONS - VOLUME

LITRE - C/M³

A

MULTIPLY BY 1000
1 LITRE = 1000 C/M³

43
Q

COMMON ENGINEERING CONVERSIONS - VOLUME

LITRE - IMP GAL

A

DIVIDE BY 4.546
1 LITRE = 0.219969 IMP GAL

44
Q

COMMON ENGINEERING CONVERSIONS - VOLUME

LITRE - US GAL

A

DIVIDE BY 3.785
1 LITRE = 0.2642 US GAL

45
Q

COMMON ENGINEERING CONVERSIONS - LENGTH

METRE - INCH

A

MULTIPLY BY 39.37
1 METRE = 39.37 INCH

46
Q

COMMON ENGINEERING CONVERSION - FORCE AND WEIGHT

NEWTON - LB

A

DIVIDE BY 4.4482
1 NEWTON = 0.22481

47
Q

COMMON ENGINEERING CONVERSION - FORCE AND WEIGHT

LB - NEWTON

A

MULTIPLY BY 4.44822
1 LB = 4.44822 N

48
Q

COMMON ENGINEERING CONVERSION - FORCE AND WEIGHT

KILOGRAM - POUND

A

MULTIPLY BY 2.2046
1 KILO = 2.2046 LB

49
Q

COMMON ENGINEERING CONVERSION - FORCE AND WEIGHT

KILOGRAM - GRAM

A

MULTIPLY BY 1000
1 KILO = 1000 g

50
Q

COMMON ENGINEERING CONVERSION - FORCE AND WEIGHT

POUND - KILOGRAM

A

DIVIDE BY 2.2046
1LB = 0.4536

51
Q

COMMON ENGINEERING CONVERSION - FORCE AND WEIGHT

POUND - OUNCE

A

MULTIPLY BY 16
1 POUND = 16 OUNCES

52
Q

COMMON ENGINEERING CONVERSION - POWER

HORSEPOWER - WATT

A

MULTIPLY BY 746 W
1 HP = 746 W

53
Q

COMMON ENGINEERING CONVERSION - POWER

HORSEPOWER - ft.lb/sec

A

MULTIPLY BY 550
1 HP = 550ft.lb/sec

54
Q

COMMON ENGINEERING CONVERSION - POWER

BRITISH THERMAL UNIT PER HOUR - WATT

A

DIVIDE BY 3.41214
1 BTU/HR = 0.293 W

55
Q

COMMON ENGINEERING CONVERSION - PRESSURE

ATMOSPHERE - PASCAL

A

MULTIPLY BY 101325
1 ATM = 101325 Pa

56
Q

COMMON ENGINEERING CONVERSION - PRESSURE

ATMOSPHERE - inHg

A

MULTIPLY BY 29.92
1 ATM = 29.92inHg

57
Q

COMMON ENGINEERING CONVERSION - PRESSURE

ATMOSPHERE - mmHg

A

MULTIPLY BY 760
1 ATM = 760 mmHg

58
Q

COMMON ENGINEERING CONVERSION - PRESSURE

PASCAL - NEWTON METRE SQUARE

A

MULTIPLY BY 1
1 Pa = 1 N/m²

59
Q

COMMON ENGINEERING CONVERSION - PRESSURE

PASCAL - lb/in²

A

DIVIDE BY 6894.76
1 PASCAL = 0.00014504 lb/in²

60
Q

COMMON ENGINEERING CONVERSION - PRESSURE

BAR - Pa

A

MULTIPLY BY 100 000
1 BAR = 100 000 Pa

61
Q

COMMON ENGINEERING CONVERSION - PRESSURE

BAR - lb/in²

A

MULTIPLY BY 14.6
1 BAR = 14.6 lb/in²

62
Q

COMMON ENGINEERING CONVERSION - PRESSURE

PSI - Pa

A

MULTIPLY BY 6894.75
1 PSI = 6894.75 Pa

63
Q

COMMON ENGINEERING CONVERSION - PRESSURE

PSI - inHg

A

MULTIPLY BY 2.036
1 PSI = 2.036inHg

64
Q

COMMON ENGINEERING CONVERSION - TEMPERATURE

°F - °C

A

°C = 5/3 (°F - 32)

65
Q

COMMON ENGINEERING CONVERSION - TEMPERATURE

°C - °F

A

°F = °C x 9/5 + 32

66
Q

COMMON ENGINEERING CONVERSION - ACCELERATION DUE TO GRAVITY

g - m/s²

A

MULTIPLY BY 9.8
1g = 9.8 m/s²

67
Q

AVIATION CONVERSIONS - FUEL LOADS

HOW CAN AIRCRAFT FUEL BE MEASURED?

A

IN VOLUME (LITRES, GALLONS)
BY WEIGHT (POUNDS, KILOGRAMS)

68
Q

AVIATION CONVERSIONS - FUEL LOADS

CONVERT 71 170 IMP GAL TO LITRES

A

71 170 x 4.546
= 323538.82

69
Q

SYSTEM PRESSURE

WHAT ARE THE MOST CRITICAL PRESSURE MEASUREMENT INSTRUMENTS ON AIRCRAFT?

A
  • ENGINE OIL PRESSURE
  • ENGINE PRESSURE RATIO
  • FUEL PRESSURE
  • HYDRAULIC PRESSURE
  • VACUUM PRESSURE
  • AIR PRESSURE
70
Q

SYSTEM PRESSURE

HOW DO PRESSURE INSTRUMENTS WORK?

A

BY MEASURING THE PRESSURE DIFFERENCE BETWEEN TWO PLACES

71
Q

SYSTEM PRESSURE

WHAT IS THE ABSOLUTE PRESSURE OF A FLUID?

A

THE PRESSURE DIFFERENCE BETWEEN A FLUID AND A VACUUM -
WHICH EXERTS NO PRESSURE

72
Q

SYSTEM PRESSURE

WHICH AIRCRAFT INSTRUMENTS MAKE USE OF ABSOLUTE PRESSURE VALUES?

A
  • ALTIMETER
  • RATE OF CLIMB INDICATOR
  • MANIFOLD PRESSURE GAUGE
73
Q

SYSTEM PRESSURE

WHAT IS STANDARD PRESSURE?

A

THE STANDARD VALUE CREATED FOR ATMOSPHERIC PRESSURE

74
Q

SYSTEM PRESSURE

IN IMPERIAL UNITS WHAT IS THE STANDARD ATMOSHPERIC PRESSURE?

A

14.696 psi

75
Q

SYSTEM PRESSURE

CONVERT THE ATMOSPHERIC PRESSURE AT SEA LEVEL OF 14.7 PSI TO PASCALS (Pa)

A

14.7 x 6894.75 =
101352.825 Pa

76
Q

SYSTEM PRESSURE

CONVERT THE ATMOSPHERIC PRESSURE AT SEA LEVEL OF 14.7 PSI TO INCHES OF MERCURY (inHg)

A

14.7 x 2.036 =
29.9292 inHg

77
Q

PRESSURE CONVERSIONS

atm - inHg

A

MULTIPLY BY 29.92
1 atm = 29.92 inHg

78
Q

PRESSURE CONVERSIONS

atm - bar

A

MULTIPLY BY 1.01325
1 atm = 1.01325 bar

79
Q

PRESSURE CONVERSIONS

inHg - Pa

A

MULTIPLY BY 3386
1 inHg = 3386 Pa

80
Q

PRESSURE CONVERSIONS

psi - inHg

A

MULTIPLY BY 2.036
1 psi = 2.036 inHg

81
Q

PRESSURE CONVERSIONS

psi - Pa

A

MULTIPLY BY 6894.75
1 psi = 6894.75 Pa

M1.1 ARITHMETIC (11 decks)

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