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WorksheetsUnderstanding SI Base Units
Total questions: 16
Worksheet time: 11mins
What is the SI base unit for length?
Kilometre
Metre
Mile
Foot
Which SI base unit is used to measure time?
Minute
Hour
Second
Day
What is the SI base unit for the amount of substance?
Mole
Gram
Kilogram
Litre
Which of the following is the SI base unit for electric current?
Volt
Ampere
Ohm
Watt
What is the SI base unit for temperature?
Celsius
Fahrenheit
Kelvin
Rankine
Which SI base unit is used to measure luminous intensity?
Lumen
Lux
Candela
Watt
What is the SI base unit for mass?
Gram
Pound
Ounce
Kilogram
If a room is 5 metres long, what is its length in feet? (1 metre = 3.28084 feet)
16.4 feet
15.2 feet
16.2 feet
15.4 feet
Convert 20 miles to kilometres. (1 mile = 1.60934 kilometres)
32.2 km
30.2 km
31.2 km
33.2 km
What is the equivalent of 25°C in Kelvin? (K = °C + 273.15)
298.15 K
295.15 K
300.15 K
299.15 K
If a substance has a mass of 5 kg, what is its weight in pounds? (1 kg = 2.20462 pounds)
11.0 pounds
10.0 pounds
11.2 pounds
10.2 pounds
How many ounces are there in 1 litre? (1 litre = 33.814 ounces)
32.814 ounces
33.814 ounces
34.814 ounces
35.814 ounces
What is the formula to convert Celsius to Fahrenheit?
F=59C+32
F=95C+32
F=59(C−32)
F=95(C−32)
Which of the following is not an SI base unit?
Metre
Litre
Kilogram
Candela
If a light bulb has a luminous intensity of 50 candelas, what is its luminous intensity in lumens? (1 candela = 12.57 lumens)
628.5 lumens
627.5 lumens
629.5 lumens
626.5 lumens
It is important to use SI units and equations in engineering to make sure that
applications function and are safe to operate.
Explain the ways that SI units and equations have been applied to aerospace
engineering.
