Question 1

Why do objects and people float better in salt water?

Accepted Answer

A)  Salt water has a higher specific gravity 
B)  Salt water has a lower specific gravity 
C)  Salt water has a higher API gravity 
D)  Salt water has a lower API gravity 
A)  Salt water has a higher specific gravity 
B)  Salt water has a lower specific gravity 
C)  Salt water has a higher API gravity 
D)  Salt water has a lower API gravity A

Question 2

Which state of matter is a substance with definite mass but no definite shape?

Accepted Answer

A)  Solids 
B)  Liquids 
C)  Gases 
D)  Plasma 
A)  Solids 
B)  Liquids 
C)  Gases 
D)  Plasma C

Question 3

What happens if you blow up a balloon so much that it is permanently deformed?

Accepted Answer

A)  Elastic limit 
B)  Viscosity limit 
C)  Density limit 
D)  Specific gravity 
A)  Elastic limit 
B)  Viscosity limit 
C)  Density limit 
D)  Specific gravity A

Question 4

What is the pressure that particular gas, contained in a mixture of gases, would have if it were alone in the container?

Accepted Answer

A)  Vapor pressure 
B)  Gauge pressure 
C)  Partial pressure 
D)  Vacuum pressure 
A)  Vapor pressure 
B)  Gauge pressure 
C)  Partial pressure 
D)  Vacuum pressure

Question 5

What term is used to describe a phase change of solid to liquid?

Accepted Answer

A)  Melting 
B)  Sublimation 
C)  Deposition 
D)  Vaporization 
A)  Melting 
B)  Sublimation 
C)  Deposition 
D)  Vaporization

Question 6

What tasks might a process technician perform that requires a firm understanding of physics?

Accepted Answer

A)  Opening valves 
B)  Checking pressures 
C)  Monitoring fluid and gas flows 
D)  All of the above 
A)  Opening valves 
B)  Checking pressures 
C)  Monitoring fluid and gas flows 
D)  All of the above

Question 7

What constant did Charles' Law maintain?

Accepted Answer

A)  Pressure 
B)  Temperature 
C)  Mass 
D)  Buoyancy 
A)  Pressure 
B)  Temperature 
C)  Mass 
D)  Buoyancy

Question 8

Who was interested in the effect of temperature on a volume of gas?

Accepted Answer

A)  Robert Boyle 
B)  John Dalton 
C)  Daniel Bernoulli 
D)  Jacques Alexander Cesar Charles 
A)  Robert Boyle 
B)  John Dalton 
C)  Daniel Bernoulli 
D)  Jacques Alexander Cesar Charles

Question 9

What term describes the transfer of heat energy through electromagnetic waves?

Accepted Answer

A)  Conduction 
B)  Convection 
C)  Radiation 
D)  Calorie 
A)  Conduction 
B)  Convection 
C)  Radiation 
D)  Calorie

Question 10

What happens to pressure as the speed of a fluid increases?

Accepted Answer

A)  Pressure increases 
B)  Pressure decreases 
C)  Pressure does not change 
D)  Pressure cannot be measured 
A)  Pressure increases 
B)  Pressure decreases 
C)  Pressure does not change 
D)  Pressure cannot be measured

Question 11

What happens to volume if you decrease the absolute pressure of a gas sample by 50%?

Accepted Answer

A)  The volume decreased 
B)  The volume doubled 
C)  The volume remained the same 
D)  The volume decreased by 25% 
A)  The volume decreased 
B)  The volume doubled 
C)  The volume remained the same 
D)  The volume decreased by 25%

Question 12

What happens if a substance has low vapor pressure?

Accepted Answer

A)  The boiling point will be low 
B)  The boiling point will be high 
C)  The evaporation speed will be low 
D)  The evaporation speed with be high 
A)  The boiling point will be low 
B)  The boiling point will be high 
C)  The evaporation speed will be low 
D)  The evaporation speed with be high

Question 13

What principle states that as the speed of a fluid increases, the pressure inside decreases?

Accepted Answer

A)  Boyle's Law 
B)  Charles' Law 
C)  Dalton's Law 
D)  Bernoulli's Principle 
A)  Boyle's Law 
B)  Charles' Law 
C)  Dalton's Law 
D)  Bernoulli's Principle

Question 14

What causes less friction, energy, and wear than sliding an object to produce friction?

Accepted Answer

A)  Rolling an object 
B)  Bouncing an object 
C)  Rocking an object 
D)  Wobbling an object 
A)  Rolling an object 
B)  Bouncing an object 
C)  Rocking an object 
D)  Wobbling an object

Question 15

What is the boiling point of water in Celsius?

Accepted Answer

A)  100 
B)  212 
C)  373 
D)  672 
A)  100 
B)  212 
C)  373 
D)  672

Question 16

What is the amount of matter in a body or object measured by its resistance to change in motion?

Accepted Answer

A)  Atom 
B)  Mass 
C)  Weight 
D)  Density 
A)  Atom 
B)  Mass 
C)  Weight 
D)  Density

Question 17

What happens to molecular movement as the temperature decreases?

Accepted Answer

A)  Molecular movement increases 
B)  Molecular movement decreases 
C)  Molecular movement does not change 
D)  Molecular movement cannot be measured 
A)  Molecular movement increases 
B)  Molecular movement decreases 
C)  Molecular movement does not change 
D)  Molecular movement cannot be measured

Question 18

What principle states that at a constant pressure the volume of a gas increases as the temperature of the gas increases?

Accepted Answer

A)  Boyle's Law 
B)  Charles' Law 
C)  Combined Law 
D)  Bernoulli's Principle 
A)  Boyle's Law 
B)  Charles' Law 
C)  Combined Law 
D)  Bernoulli's Principle

Question 19

What scale is the temperature measured in for the Combined Law?

Accepted Answer

A)  Celsius 
B)  Fahrenheit 
C)  Kelvin 
D)  Rankine 
A)  Celsius 
B)  Fahrenheit 
C)  Kelvin 
D)  Rankine

Question 20

Who discovered the relationship between gases when one or more were mixed together?

Accepted Answer

A)  Robert Boyle 
B)  John Dalton 
C)  Daniel Bernoulli 
D)  Jacques Alexander Cesar Charles 
A)  Robert Boyle 
B)  John Dalton 
C)  Daniel Bernoulli 
D)  Jacques Alexander Cesar Charles

Exam 11: Basic Physics

Why do objects and people float better in salt water?

Which state of matter is a substance with definite mass but no definite shape?

What happens if you blow up a balloon so much that it is permanently deformed?

What is the pressure that particular gas, contained in a mixture of gases, would have if it were alone in the container?

What term is used to describe a phase change of solid to liquid?

What tasks might a process technician perform that requires a firm understanding of physics?

What constant did Charles' Law maintain?

Who was interested in the effect of temperature on a volume of gas?

What term describes the transfer of heat energy through electromagnetic waves?

What happens to pressure as the speed of a fluid increases?

What happens to volume if you decrease the absolute pressure of a gas sample by 50%?

What happens if a substance has low vapor pressure?

What principle states that as the speed of a fluid increases, the pressure inside decreases?

What causes less friction, energy, and wear than sliding an object to produce friction?

What is the boiling point of water in Celsius?

What is the amount of matter in a body or object measured by its resistance to change in motion?

What happens to molecular movement as the temperature decreases?

What principle states that at a constant pressure the volume of a gas increases as the temperature of the gas increases?

What scale is the temperature measured in for the Combined Law?

Who discovered the relationship between gases when one or more were mixed together?

Process Technology: an Overview

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