Q&A Hero

Engineering

Q: 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°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
Q:
Q: Is this chemical equation balanced? List reactant elements. List the product elements.A reading of 5.5 on the pH scale would be considered to be________________ .
Q: 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
Q:
Q: List the most common product produced by:8NH3 + 6O2 --––––––» 4N2 + 12H2O.
Q:
Q:
Q: List the most common product produced by:C36+ ______________
Q:
Q:
Q: List the most common product produced by:C20-C36 ______________
Q: 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
Q:
Q: List the most common product produced by:C12-C20 ______________
Q: 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
Q:
Q: List the most common product produced by:C10-C14 ______________
Q: Vacuum technology is used to _______________. a. minimize damage from overheating b. mix components c. reduce energy costs d. a and c
Q:
Q: List the most common product produced by:C4-C12 ______________
Q: Solve 3 + 6(2 + x) = 45. a. 3 b. 5 c. 10 d. 7
Q:
Q: List the most common product produced by:C1- C4 ______________
Q: 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
Q:
Q: Draw the equation for a combustion reaction.
Q: Heat required to melt a substance defines latent heat of _______________. a. fusion b. radiation c. vaporization d. condensation
Q:
Q: How many electrons does Oxygen have?
Q: 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
Q:
Q: The standard used to measure non-hydrocarbon heaviness is _______________. a. density b. specific gravity c. API d. baume
Q:
Q: Balance the following equations:NaOH + SO2 ––––––––––» Na2SO3 + H2O
Q: 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
Q:
Q: Balance the following equations:CaO + HCl –––––––––––» CaCl2 + H20
Q: As pressure increases, the _______________.a. escape of molecules from the surface of the liquid is reduced proportionallyb. boiling point increasesc. gas or vapor molecules are forced closer togetherd. all of the above
Q:
Q: Balance the following equations:Al + Cl2 –––––––––––» Al2Cl6
Q: If K = ºC + 273, convert 2,432°F to K. a. 2016.67 K b. 1606.33 K c. 768.19 K d. 1333.33 K
Q:
Q: Balance the following equations:Fe + O2 ––––––––––» Fe2O3
Q: 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
Q:
Q: Balance the following equations:Fe + Cl2 ––––––––––» FeCl3
Q: Turbulent fluid flow transfers heat within a confined system better than laminar. a. true b. false
Q: Pharmaceutical manufacturing utilizes all of the following except:a. Bench-top operationsb. Pilot plant operationsc. Thermo-mechanical pulp productiond. Full-scale manufacturing
Q: Balance the following equations:Sn + Cl2 ––––––––––» SnCl4
Q: Liquids must reach their boiling point in order to evaporate. a. true b. false
Q: Food and beverage technicians work in all the following except: a. Bakeries and breweries b. Dairies and meat packaging c. Refineries and chemical plant d. Shellfish processing and fishing industry
Q: Draw the following hydrocarbonsPentane
Q: Convert 84.7 psig to psia. a. 70 psia b. 99.4 psia c. 84.7 psia d. 99.4 psiv
Q: The chemical process industry produces ___% wastewater.a. 60%b. 70%c. 80%d. 90%
Q: Draw the following hydrocarbonsOctane
Q:
Q: Match the principles of chemistry and physics that can be applied to:2. ____ pumps a) evaporation 3. ____ compressors b) boiling point 4. ____ steam turbines c) pressure (air) 5. ____ heat exchangers d) fluid flow (liquid) 6. ____ cooling towers e) heat transfer 7. ____ reactors f) kinetic energy 8. ____ distillation g) chemical bonding 9. ____ boilers h) boiling water
Q: List all ten members of the Alkane Family41. 42. 43. 44. 45. 46. 47. 48. 49. 50.
Q: What happens to a process technician that has experienced hearing loss due to industrial noise they? a. will never recover b. will recover if removed from the noise hazard c. will require surgery to recover d. will require speech therapy
Q: Oil and natural gas exploration and production primary purpose is:a. the production of materials that make up our modern society.b. Provide aviation and gasoline.c. Provide raw materials for industry.d. All the above.
Q: CH4 + 2O2 ---------------------» CO2 + 2H2 O 1600 lbs ? ? ?a. 7400, 5400, 4600b. 6600, 4600, 3800c. 5400, 3400, 2600d. 6400, 4400, 3600
Q: What safety device is designed to evenly distribute the forces of an accidental fall to the strongest muscles in the body and protect vital organs and limit the possibility of a serious injury? a. anchor point b. safety belt c. lanyard d. full body harness
Q:
Q: Given the chemical equation: H3PO4 (98 gpm) + 3 NaOH (120 gpm) ----»Na3PO4 + 3H2O Change H3PO4 to 588 gpm. What does the (3 NaOH) setting need to be in order to balance the equation?
Q: Select the fire extinguisher you would use on a compressor motor fire. a. Dry chemical b. Water c. CO2 or Halon d. Foam
Q:
Q: List the first four hydrocarbons in the paraffin family in order.a. ethane, methane, propane, butane b. methane, propane, ethane, butanec. propane, ethane, methane, butaned. methane, ethane, propane, butane
Q: Select the fire extinguisher you would use on a trash fire. a. Dry chemical b. Water c. CO2 or Halon d. Foam
Q:
Q: All of the following are active catalysts except: a. intermediate type b. adsorption c. inhibitor d. poisoned
Q: Select the fire extinguisher you would use on a computer fire. a. Dry chemical b. Water c. CO2 or Halon d. Foam
Q:
Q: A base is:a. a bitter tasting chemical compound that has a pH value below 7.0, changes blue litmus to red, yields hydrogen ions in water.b. a bitter tasting chemical compound that has a soapy feel and a pH value above 7.0, changes red litmus blue and yields hydroxyl ions.c. a bitter tasting chemical compound that has a soapy feel and a pH value between 0 and 14, changes green litmus blue and yields hydroxyl and hydrogen ions.d. a sweet tasting chemical solution that has a fluctuating pH value, changes orange litmus green, yields sodium ions above the 50 percentile range.
Q: What are the three sides of the fire triangle? a. b. c.
Q:
Q: Reaction rates are impacted by: a. heat and surface area b. concentration c. pressure & flow rates d. all the above
Q: List three permits found at every plant. • • •
Q:
Q: The sum of the masses in the nucleus are called: a. AMU b. atomic number c. protonic weight d. atomic sum
1 2 3 … 58

Subjects

Accounting Anthropology Archaeology Art History Banking Biology & Life Science Business Business Communication Business Development Business Ethics Business Law Chemistry Communication Computer Science Counseling Criminal Law Curriculum & Instruction Design Earth Science Economic Education Engineering Finance History & Theory Humanities Human Resource International Business Investments & Securities Journalism Law Management Marketing Medicine Medicine & Health Science Nursing Philosophy Physic Psychology Real Estate Science Social Science Sociology Special Education Speech Visual Arts