M2.2 Pressure and Buoyancy

What is the value of 1 atm in bars?

• 1.01 bar

• 2.00 bar

• 0.50 bar

• 1.50 bar

What is the standard atmospheric pressure at sea level in mmHg?

• 760 mmHg

• 500 mmHg

• 850 mmHg

• 1013 mmHg

What is the principle behind a hydraulic press?

• Archimedes' Principle

• Newton's First Law

• Pascal's Law

• Bernoulli's Principle

What is the relationship between pressure and volume in a closed system at constant temperature?

• Unrelated

• Exponentially proportional

• Inversely proportional

• Directly proportional

What is the effect of buoyancy related to?

• Temperature

• Pressure

• Volume

• Density

What is one of the units of pressure ?

• Newton

• bar

• Joule

• Watt

What is the density of benzene if it is less dense than water?

• 862 kg/m³

• 1702 kg/m³

• 1000 kg/m³

• 1020 kg/m³

What does the height of the mercury column in a barometer indicate?

• Temperature

• Atmospheric pressure

• Humidity

• Wind speed

Which instrument is used to measure the density of a liquid?

• Barometer

• Voltmeter

• Hydrometer

• Thermometer

What is the SI unit of pressure?

• Torr

• Bar

• Atmosphere

• Pascal