Deck 4: Applied Physics One

Question 1

Calculate the pressure produced by a 2,500-lb block, 40"length x 20" wide x 35" high.

A) 6.25 psi
B) 3.125 psi
C) .089 psi
D) .043 psi

Answer 1

3.125 psi

Question 2

Convert 84.7 psig to psia.

A) 70 psia
B) 99.4 psia
C) 84.7 psia
D) 99.4 psiv

Answer 2

99.4 psia

Question 3

Liquids must reach their boiling point in order to evaporate.

Answer 3

False

Question 4

Turbulent fluid flow transfers heat within a confined system better than laminar.

Question 5

Molecular motion in water _______________.

A) decreases as heat is added
B) stays the same when heat is added
C) increases as heat is added
D) cannot be measured

Question 6

If K = ºC + 273, convert 2,432 $\degree$ F to K.

A) 2016.67 K
B) 1606.33 K
C) 768.19 K
D) 1333.33 K

Question 7

As pressure increases, the _______________.

A) escape of molecules from the surface of the liquid is reduced proportionally
B) boiling point increases
C) gas or vapor molecules are forced closer together
D) all of the above

Question 8

When a vacuum is pulled on a distillation column, the boiling point _______________.

A) is lowered
B) is increased
C) is stabilized
D) of some components is changed

Question 9

The standard used to measure non-hydrocarbon heaviness is _______________.

A) density
B) specific gravity
C) API
D) baume

Question 10

A specially designed hydrometer used to determine the density or heaviness of a hydrocarbon mixture shows _______________.

A) API gravity
B) baume gravity
C) specific gravity
D) density

Question 11

The boiling point of a substance is _______________.

A) the temperature at which the vapor exceeds atmospheric pressure
B) when bubbles become visible in the liquid
C) when vaporization begins
D) all of the above

Question 12

Solve 3 + 6(2 + x) = 45.

A) 3
B) 5
C) 10
D) 7

Question 13

Vacuum technology is used to _______________.

A) minimize damage from overheating
B) mix components
C) reduce energy costs
D) a and c

Question 14

A change in pressure will _______________.

A) maintain the boiling points of raw materials and products
B) enhance the boiling points of raw materials and products
C) shift the boiling points of raw materials and products
D) shift the boiling points of lighter materials only

Question 15

The French scientist who discovered that pressure in a fluid is transmitted equally in all directions is _______________.

A) J. Lockett
B) B. Pascal
C) R. Boyle
D) L. LaParmontia

Question 16

Dalton's law states that _______________.

A) in a closed process with a constant flow rate changes in fluid velocity effect pressure
B) the total pressure of a gas mixture is the sum of the pressures of the individualized gases
C) objects in motion tend to stay in motion
D) for every action there is an equal and opposite reaction

Question 17

Calculate the pressure produced by a 8,500-lb block, 2' length x 4' wide x 6' high.

A) 0.1 psi
B) 7.38 psi
C) 1062.5 psi
D) 531.25 psi

Question 18

Calculate the pressure at the base of a 200 foot column with a 20 foot liquid level in the lower stripping section. The column is operating under 55 psig. Specific gravity of bottom product is .85.

A) 128.61 psi
B) 73.61 psi
C) 62.361 psi
D) 7.361 psi

Question 19

Calculate the pressure exerted half way up a 30-foot tank. The liquid level in the tank is 22 feet. Specific gravity is .79. Vapor pressure at 100 $\degree$ F equals 12.2 psi. The tank operates at 36 psi.

A) 2.394 psi
B) 38.39 psi
C) 14.59 psi
D) 50.59 psi

Question 20

The Irish scientist who developed the law that describes how the volume of a gas responds to pressure changes is _______________.

A) J. Lockett
B) B. Pascal
C) R. Boyle
D) L. LaParmontia

Question 21

Liquid pressure is directly proportional to _______________.

A) density and height
B) temperature and time
C) vacuum and volume
D) energy and power

Question 22

Convert 14.7 psia to psig.

A) 60 psig
B) 0 psig
C) 29.4 psig
D) 14.7 psig

Question 23

Liquids are typically considered _______________.

A) compressible
B) non-compressible

Question 24

Heat that can be sensed or measured is _______________.

A) latent heat
B) sensible heat
C) specific heat
D) Btu

Question 25

Vapor pressure is _______________.

A) the separation of molecules from an adhesive liquid surface
B) vapor under pressure
C) the weight of the liquids vapor
D) the measurement of molecular motion

Question 26

Calculate the pressure produced at the base of a half full water tank 80 feet tall with a 60-foot diameter.

A) 17.32 psi
B) 34.64 psi
C) 69.28 psi
D) 8.6 psi

Question 27

Pressure __________ impacts the boiling point of a substance.

A) indirectly
B) directly

Question 28

Latent heat comes in all the following forms except latent heat of _______________.

A) fusion
B) radiation
C) vaporization
D) condensation

Question 29

______________ is defined as the hotness or coldness of a substance.

A) Heat
B) Temperature
C) Energy
D) Transfer

Question 30

Heat removed to freeze a substance is called latent heat of _______________.

A) fusion
B) radiation
C) vaporization
D) condensation

Question 31

Heat required to change a liquid to a gas is called latent heat of _______________.

A) fusion
B) radiation
C) vaporization
D) condensation

Question 32

Heat removed to condense a gas is called latent heat of _______________.

A) fusion
B) radiation
C) vaporization
D) condensation

Question 33

One calorie is roughly equal to the heat energy required to raise the temperature of one gram of water _______________.

A) one degree Celsius
B) one degree Fahrenheit
C) one Btu
D) one degree Rankine

Question 34

The required Btu needed to raise one pound of a specific substance one degree Fahrenheit is called _______________.

A) Btu
B) calorie
C) specific heat
D) joule

Question 35

Heat is measured in _______________.

A) calories
B) Celsius
C) Btu
D) a and c

Question 36

Heat moves from areas of _______________.

A) hot to cold
B) cold to hot

Question 37

A British thermal unit is _______________.

A) the heat energy required to raise the temperature of one gram of water one degree Fahrenheit
B) the heat energy required to raise the temperature of one gram of water one degree Rankine
C) the amount of heat needed to raise one pound of water one degree
D) the amount of heat needed to raise one cubic foot of water one degree

Question 38

If Fahrenheit = 1.8 $\degree$ C + 32, then convert 760 $\degree$ C to Fahrenheit.

A) 1400 $\degree$ C
B) 42.75 $\degree$ F
C) 1,400 $\degree$ F
D) 1,310 $\degree$ F

Question 39

If R = F + 460, convert 549 $\degree$ C to R.

A) 988.2 $\degree$ R
B) 1020.2 $\degree$ R
C) 1598.4 $\degree$ R
D) 1480.2 $\degree$ R

Question 40

Temperature is measured in _______________.

A) Fahrenheit and Celsius
B) Rankine and Kelvin
C) Btu and calorie
D) a and b

Question 41

According to Bernoulli, changes in fluid velocity inside a closed system increase and decrease _______________.

A) temperature
B) pressure
C) velocity
D) b and c

Question 42

If ºC = (ºF-32) ÷ 1.8 then convert 298 $\degree$ F to Celsius.

A) 147.78 $\degree$ C
B) 478.8 $\degree$ C
C) 215.7 $\degree$ C
D) 146.9 $\degree$ C

Question 43

Industry uses all of the following methods to determine a fluid's heaviness except _______________.

A) density
B) specific gravity
C) baume
D) APP

Question 44

The density of a substance divided by the density of water is _______________.

A) specific gravity
B) bulk density
C) baume
D) APP

Question 45

The effects of absorbed heat include all of the following except _______________.

A) increase in volume
B) increase in temperature
C) change of state
D) initiate endothermic reaction

Question 46

The stronger the bonds or molecular attraction, the _________ the vapor pressure.

A) higher
B) denser
C) lower
D) warmer

Question 47

A fluid can be considered a _______________.

A) gas
B) vapor
C) liquid
D) all of the above

Question 48

___________ is a term used to describe a fluid's ability to resist flow.

A) Turbulence
B) Viscosity
C) Laminar
D) Density

Question 49

Convert 200 psig to psia.

Question 50

Convert 390 psig to psia.

Question 51

Convert 226 psia to psig.

Question 52

Convert 450 psia to psig.

Question 53

Convert 5.5 psia to psiv.

Question 54

Convert 14.2 psia to psiv.

Question 55

Calculate the ∆p between 7 psia and 20 psig.

Question 56

Calculate the ∆p between 14 psia and 150 psig.

Question 57

Convert 270ºF to ºC.

Question 58

Convert 440ºF to ºC.

Question 59

One bar is equal to how many psi?

Question 60

Convert 325ºC to ºF.

Question 61

Convert 1010ºC to ºF.

Question 62

Convert 510ºC to K.

Question 63

Convert 1125ºC to K.

Question 64

Convert 215ºF to ºR.

Question 65

Convert 1515ºF to ºR.

Question 66

Convert 1220K to ºR.

Question 67

Convert 666K to ºR.

Question 68

Convert 720ºR to K.

Question 69

Convert 1956ºR to K.

Question 70

Solve for x:
x - 10 = 14 - 3

Question 71

2x = 8 + x

Question 72

A rectangular tank is 30 ft. long, 16 ft. tall, and 6 ft. wide, what is the volume?

Question 73

A vertical tank is 30 ft tall with a diameter of 10 ft. Product level is 15 foot. What is the volume of the product?