Q&A Hero

Engineering

Q: What is the density of a cube of iron, 15 cm on an edge, that weighs 9.6 kg? D =W / V a. 2.84 g/cm3 b. 2.34 g/cm2 c. 6.84 g/cm3 d. 0.84 g/cm3
Q: Find the volume of a granite object with a density of 2.6 grams per cc and a weight of 1280 grams. V= W / D a. 392 cm3 b. 492 cm3 c. 592 cm3 d. 692 cm3
Q: Anything that occupies space and has mass or volume. a. matterb. massc. inertiad. gravity
Q: Calculate the pressure produced by a ten foot onion tank, filled with a hydrocarbon fluid. (.72 s.g.) . Vapor pressure 200. Add 45 psi N2 to total. What is the final pressure?a. 25.65 psib. 2.48.1 psic. 4.56 psid. 8.89 psi
Q: Standards to measure the heaviness of a hydrocarbon. A specially designed hydrometer; marked in units API is used to determine the heaviness or density of a hydrocarbon. a. densityb. baumec. APId. specific gravity
Q: The heaviness of a substance while specific gravity compares this heaviness to a standard and then calculates a new ratio. The density of one gallon of water is 8.33 pounds per gallona. densityb. baumec. APId. specific gravity
Q: Calculate the pressure exerted on the bottom of a 69 foot distillation column by a ten foot hydrocarbon level. Specific gravity is .67. Vapor pressure at 240 F is 236. 100 psi is added to the column giving a top gauge reading of ___ psi and a bottom gauge reading of ___ psi? a. top 236 psi, bottom 238.9 psi b. top 336 psi, bottom 338.9 psi c. top 136 psi, bottom 138.9 psi d. top 36 psi, bottom 38.9 psi
Q: A method for determining the heaviness of a fluid. The specific gravity of gasoline is 6.15 lb. per gal. ÷ 8.33 = 0.738a. densityb. baumec. APId. specific gravity
Q: One bar is equal to how many psi?
Q: Identified as the quantity of matter. a. solidb. massc. liquidd. plasma
Q: A rectangular vessel, 10 ft wide, 20 ft long, and 12 ft deep is filled with mercury (density = 13.6 grams per cubic centimeter). Using the following equations: (a) What is the pressure on the bottom of the tank? (b) Identify the average pressure on one side of the vessel. (c) What is the total force on the bottom of the tank? (d) Identify the total force against one end of the tank.a. P = HD b. P ave = H ave X D = c. F = AHD d. F = AHD ÷ 2 = a. 163.2 psi, 81.6 psi, 32,640 psi, 16,320 psi b. 173.2 psi, 71.6 psi, 32,640 psi, 16,320 psi c. 183.2 psi, 61.6 psi, 32,640 psi, 16,320 psi d. 193.2 psi, 51.6 psi, 32,640 psi, 16,320 psi
Q: The energy of motion or velocity.a. kinetic energyb. potential energyc. latent heat of vaporizationd. latent heat of condensation
Q: A man weighing 190 lbs climbs a staircase 35 ft in 25 seconds. Calculate how much work was performed. a. 2,650 ft pounds of work b. 4,650 ft pounds of work c. 6,650 ft pounds of work d. 8,650 ft pounds of work
Q: A vertical tank is 30 ft. tall with a diameter of 10 ft. Product level is 15 ft. What is the volume of the product?
Q: Convert 14.2 psia to psiv.
Q: A rectangular tank is 30 ft. long, 16 ft. tall, and 6 ft. wide, what is the volume?
Q: Convert 5.5 psia to psiv.
Q: 2x = 8 + x
Q: Solve for x: x-10 = 14-3
Q: Convert 1956ºR to K.
Q: Convert 720ºR to K.
Q: Convert 666K to ºR.
Q: ___________ is a term used to describe a fluid’s ability to resist flow. a. Turbulence b. Viscosity c. Laminar d. Density
Q: Convert 1220K to ºR.
Q: A fluid can be considered a _______________. a. gas b. vapor c. liquid d. all of the above
Q: Convert 1515ºF to ºR.
Q: The stronger the bonds or molecular attraction, the _________ the vapor pressure. a. higher b. denser c. lower d. warmer
Q: Convert 215ºF to ºR.
Q: 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
Q: Convert 1125ºC to K.
Q: Atmospheric pressure at sea level is _______________ psi a. - 14.7 b. 14.0 c. 0 d. 14.7
Q: Convert 510ºC to K.
Q: The density of a substance divided by the density of water is _______________. a. specific gravity b. bulk density c. baume d. APP
Q: Convert 1010ºC to ºF.
Q: Industry uses all of the following methods to determine a fluid’s heaviness except _______________. a. density b. specific gravity c. baume d. APP
Q: Convert 325ºC to ºF.
Q: If ºC = (ºF-32) ÷ 1.8 then convert 298°F to Celsius. a. 147.78°C b. 478.8°C c. 215.7°C d. 146.9°C
Q: According to Bernoulli, changes in fluid velocity inside a closed system increase and decrease _______________. a. temperature b. pressure c. velocity d. b and c
Q: 1 bar is equal to how many psi?
Q: Temperature is measured in _______________. a. Fahrenheit and Celsius b. Rankine and Kelvin c. Btu and calorie d. a and b
Q: Convert 440ºF to ºC.
Q: If R = F + 460, convert 549°C to R. a. 988.2°R b. 1020.2°R c. 1598.4°R d. 1480.2°R
Q: Convert 270ºF to ºC.
Q: If Fahrenheit = 1.8°C + 32, then convert 760°C to Fahrenheit. a. 1400°C b. 42.75°F c. 1,400°F d. 1,310°F
Q: Calculate the ∆p between 14 psia and 150 psig.
Q: A British thermal unit is _______________.a. the heat energy required to raise the temperature of one gram of water one degree Fahrenheitb. the heat energy required to raise the temperature of one gram of water one degree Rankinec. the amount of heat needed to raise one pound of water one degreed. the amount of heat needed to raise one cubic foot of water one degree
Q: Calculate the ∆p between 7 psia and 20 psig.
Q: Heat moves from areas of _______________. a. hot to cold b. cold to hot
Q: Convert 14.2 psia to psiv
Q: Heat is measured in _______________. a. calories b. Celsius c. Btu d. a and c
Q: Convert 5.5 psia to psiv.
Q: 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
Q: Convert 450 psia to psig
Q: One calorie is roughly equal to the heat energy required to raise the temperature of one gram of water _______________.a. one degree Celsiusb. one degree Fahrenheitc. one Btud. one degree Rankine
Q: Convert 226 psia to psig.
Q: Heat removed to condense a gas is called latent heat of _______________. a. fusion b. radiation c. vaporization d. condensation
Q: Convert 390 psig to psia.
Q: Heat required to change a liquid to a gas is called latent heat of _______________. a. fusion b. radiation c. vaporization d. condensation
Q: Convert 200 psig to psia.
Q: Heat removed to freeze a substance is called latent heat of _______________. a. fusion b. radiation c. vaporization d. condensation
Q: ______________ is defined as the hotness or coldness of a substance. a. Heat b. Temperature c. Energy d. Transfer
Q: Latent heat comes in all the following forms except latent heat of _______________. a. fusion b. radiation c. vaporization d. condensation
Q: Pressure __________ impacts the boiling point of a substance. a. indirectly b. directly
Q: Neutralization reactions remove ___________ _________ or ________ ______ .Balance the following equations:
Q: 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
Q: Replacement reactions use _____ ______ treated with positive or negative charged _________ .
Q: 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
Q: Pressure has its greatest impact on: a. liquids b. gases c. solids d. plasma
Q: Heat that can be sensed or measured is _______________. a. latent heat b. sensible heat c. specific heat d. Btu
Q: Reaction rates _________ every 10 degrees. a. slightly improve b. double c. triple d. decrease
Q: Liquids are typically considered _______________. a. compressible b. non-compressible
Q: Hydrocracking is a process that industrial manufacturers use to: a. make one large molecule out of isobutene and olefin b. boost gasoline yields c. produce high-octane alkylate d. improve gasoline blending
Q: Convert 14.7 psia to psig. a. 60 psig b. 0 psig c. 29.4 psig d. 14.7 psig
Q: Each molecule of an olefin has at least: a. one double bond b. two double bonds c. three double bonds d. two or more single bonds
Q: Liquid pressure is directly proportional to _______________. a. density and height b. temperature and time c. vacuum and volume d. energy and power
Q:
Q: Olefins are created by a manmade process called ___________.
Q: 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
Q:
Q: Is this chemical equation balanced? List reactant elements. List the product elements.A catalyst is best described as a chemical that can:
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