Unit 3 - Scientific Principles

How many base units are there in the SI system?

• 5

• 6

• 7

• 8

What is length measured in?

• Centimeters

• Meters

• Kilometers

• Millimeters

What is mass measured in?

• Kilograms

• Grams

• Pounds

• Liters

What is the unit of electrical current?

• Volt

• Ampere

• Ohm

• Watt

If 1 bar pressure is equal to 10m head or 100 kilopascals, what pressure in bar is 250 kilopascals?

• 1.5 bar

• 2 bar

• 2.5 bar

• 3 bar

What is the unit of temperature?

• Celsius

• Fahrenheit

• Kelvin

• Rankine

What is the unit of pressure in the International System of Units (SI)?

• Bar

• Pascal

• Newton

• Kilogram

What is the base unit of time?

• Minute

• Hour

• Day

• Second