National Council of Examiners for Engineering and Surveying (NCEES) Fundamentals of Engineering (FE) Chemical Practice Exam

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National Council of Examiners for Engineering and Surveying (NCEES) Fundamentals of Engineering (FE) Chemical Practice Exam course image
Calculating the Slope of the Operating Line in Packed TowersIn packed towers, how do you calculate the slope of the operating line?Discovering the Formula for Calculating Impulse in MomentumWhat is the proper formula for calculating impulse using momentum?Discovering the Relationship Between Dew Point Temperature and Psychrometric ChartsWhat is the dew point temperature determined by on a psychometric chart?Explore How Covalent Bonds Define the Unique Properties of PolymersWhich material utilizes covalent bonds as a primary bonding type?Explore the Importance of the Hydroxide Ion and Its Chemical FormulaWhat is the chemical formula for the hydroxide ion?Explore the Volume of One lbmol of Gas at STPHow many cubic feet does 1 lbmol of any gas occupy at standard temperature and pressure (STP)?How to Calculate Total Force on a Plane Surface UnderwaterWhat is the formula for calculating total force on a plane surface underwater?How to Determine Condensation Using a Psychrometric Chart EffectivelyHow can you determine the amount of condensation using a psychrometric chart?The Essential Nature of the Rankine Cycle ExplainedWhich of the following statements best describes the Rankine cycle?Understanding Diffusivity in Chemical Systems: What It Means and Why It MattersDiffusivity in a system is equivalent to which of the following?Understanding Dry Bulb Temperature in Chemical EngineeringIn the context of chemical engineering, what does the term "dry bulb temperature" refer to?Understanding Energy Loss in Collisions: A BreakdownHow can energy loss in a collision be calculated?Understanding Equimolar Counter Diffusion in Chemical ProcessesWhat characterizes equimolar counter diffusion?Understanding Heat Flux in Heat Transfer AnalysisWhat does heat flux represent in the context of heat transfer?Understanding how atomic weight is determinedHow is atomic weight determined?Understanding How Ls and Gs are Defined in Flow RateHow are Ls and Gs defined in terms of flowrate?Understanding How Temperature Affects the Equilibrium ConstantWhat happens to the equilibrium constant when the temperature of a reaction is changed?Understanding how to calculate an empirical formula using molesWhat mathematical operation is applied to each element's moles when finding an empirical formula?Understanding how to calculate net income before taxesHow is net income before taxes calculated?Understanding How to Calculate Potential Energy in a Compressed SpringHow is potential energy (PE) stored in a compressed spring calculated?Understanding how to calculate the partial pressure of a gasWhat is the partial pressure of a gas calculated from?Understanding how to determine if an element is oxidized or reduced in a redox reactionHow do you determine if an element is oxidized or reduced in a redox reaction?Understanding How to Identify the Limiting Reactant in Chemical ReactionsHow can one determine the limiting reactant in a chemical reaction?Understanding how to incorporate pump head into the fluid energy equationHow should pump head be added to the fluids energy equation?Understanding How Transfer Functions Multiply in Series Control BlocksWhen control blocks are in series, how do their transfer functions combine?Understanding Ionic Compounds: The Case of NaClWhich of the following compounds is an example of an ionic compound?Understanding Irreversibility in Thermodynamic ProcessesIrreversibility in a thermodynamic process is most closely associated with which of the following?Understanding Key Factors in Calculating the Mass Transfer CoefficientWhich of the following is a key factor in calculating the mass transfer coefficient?Understanding Kinetic and Potential Energy in Closed SystemsWhat can you conclude about the kinetic and potential energy in a closed system?Understanding Mass Transfer Through the Lens of 2 Film TheoryWhat does 2 Film theory assume regarding mass transfer?Understanding Molar Flux and Its Role in Equimolar Counter DiffusionHow does the molar flux relate to the direction of diffusion for equimolar counter diffusion?Understanding Oxidation: What It Means When Oxidation State IncreasesWhen determining the oxidation state of an element, what indicates oxidation has occurred?Understanding Passive Metals and Their Role in Corrosion ResistanceWhat does a passive metal mean in terms of corrosion?Understanding Relative Volatility in Chemical EngineeringWhat defines relative volatility?Understanding Safe Oxygen Levels for Workplace SafetyWhat are the safe minimum and maximum levels for oxygen in the workplace?Understanding Salvage Value in MACRS DepreciationWhat is the salvage value when using MACRS depreciation?Understanding Specific Enthalpy on a Psychometric Chart: A Clear ApproachWhat method is used to find specific enthalpy on a psychometric chart?Understanding the Acceleration of Objects on Inclined RampsWhat is the equation for the acceleration of an object on a ramp inclined at an angle theta?Understanding the Ammonium Ion: Key Properties and ReactionsWhich of the following correctly describes an ammonium ion?Understanding the Calculation of Packing Height in Chemical EngineeringHow is the height of packing required in a tower calculated?Understanding the Charge of Hydroxide Ion: A Fundamental Concept in ChemistryThe charge of the hydroxide ion is:Understanding the Charge of Sodium Ion in SolutionWhat is the charge associated with a sodium ion (Na+) in solution?Understanding the Charge of the Carbonate IonWhat is the charge of the carbonate ion?Understanding the Charge on the Nitrate IonWhat is the charge on the nitrate ion?Understanding the Charge on the Sulfate IonWhat is the charge on the sulfate ion?Understanding the Chemical Bonds in PolymersWhat type of bonds do polymers have?Understanding the Chemical Formula for the Nitrite IonWhat is the chemical formula for the nitrite ion?Understanding the components of an Otto cycle engineWhich component is NOT typically involved in an Otto cycle engine?Understanding the Concept of an AnnuityWhat is an annuity?Understanding the Concept of Normality in ChemistryAccording to the normality equation, how is normality defined?Understanding the Condition for an Unstable Transfer FunctionWhich condition would signify that a transfer function has an unstable system?Understanding the Conditions for Compressibility Factor Equals OneWhat is the significance of understanding the conditions under which the compressibility factor is equal to 1?Understanding the Conditions for Validity of the Equilibrium ConstantWhich of the following conditions is necessary for the equilibrium constant to be valid?Understanding the Defining Features of Eukaryotic CellsWhat characterizes eukaryotic cells?Understanding the Differences Between Stoichiometric Coefficients and Rate LawsIn what situation might the stoichiometric coefficients in a chemical equation differ from the rate law expressed for that reaction?Understanding the Efficiency of Otto Cycles and the K Value of AirFor calculating efficiency of Otto cycles, which value is typically used unless specified otherwise?Understanding the Essential Variables to Calculate (Ls/Gs)actual in Chemical EngineeringTo find (Ls/Gs)actual, which values must be evaluated?Understanding the First Law of Thermodynamics and Its Implications for EngineersWhat principle is described by the first law of thermodynamics?Understanding the First Step in Material Balance with Recycle and Bypass StreamsWhat is the first step to solve a material balance involving a recycle and bypass stream?Understanding the First Step to Finding a Tangent Line EquationWhat is the first step in finding the equation of a line tangent to a function?Understanding the Focus of the Ethical Hierarchy in EngineeringWhat is the primary focus of the ethical hierarchy in engineering?Understanding the Formula for Exponential Growth in Chemical EngineeringWhat is the formula used to express exponential growth?Understanding the Formula for Present Worth from Future Worth in EngineeringWhen converting future worth (F) to present worth (P), what is the formula?Understanding the Formula for the Sulfite Ion: A Deep Dive into ChemistryWhat is the formula for the sulfite ion?Understanding the Gibbs Phase Rule: The Key to Chemical EquilibriumWhat does the Gibbs phase rule at constant pressure or temperature state?Understanding the Gravitational Force: What Really Matters?According to Newton's law of universal gravitation, what does the gravitational force depend on?Understanding the Highest Priority in Engineering EthicsAccording to ethical hierarchy, which of the following is the highest priority?Understanding the Impact of a Positive Pole in Control SystemsWhat does a positive pole in a transfer function indicate?Understanding the Importance of Absolute Temperatures in the Carnot CycleWhat must be true about the temperatures when discussing the Carnot cycle?Understanding the Importance of Direction in MomentumWhat must be true about the direction of momentum in physics?Understanding the Importance of Heat Flux Measurement in EngineeringWhat is the significance of the heat flux measurement?Understanding the Importance of Liquid Composition at Equilibrium in Chemical EngineeringIn an equilibrium state, which variable would be used to represent the liquid composition?Understanding the Importance of Prefixes in Naming Molecular CompoundsWhat is the role of the prefixes in naming molecular compounds?Understanding the Importance of Specific Terms in Steam TablesWhat is the primary purpose of using specific terms in steam tables?Understanding the Importance of Specific Terms in Steam TablesIn steam tables, the values are presented in which of the following terms?Understanding the Interplay of Transfer Functions in Parallel Control SystemsHow do transfer functions interact when control blocks are arranged in parallel?Understanding the Key Characteristic of Prokaryotic CellsWhat is a defining feature of procaryotic cells?Understanding the Key Characteristics of Heterogeneous ReactionsWhat characterizes heterogeneous reactions?Understanding the Key Thermodynamic Processes in an Otto Cycle EngineIn an Otto cycle engine, what principal thermodynamic process is primarily involved?Understanding the Kinetic Energy FormulaWhat is the kinetic energy (KE) formula?Understanding the Meaning of the Delta Symbol in PhysicsWhat does the symbol ∆ represent in physics?Understanding the Molar Flow Rate of Gas in Packed TowersWhat is the standard representation of molar flow rate of the gas in packed towers?Understanding the Molar Ratios of Air: What You Need to KnowWhat are the molar ratios of air composed of?Understanding the Normality Neutralization Equation in ChemistryWhat does the normality neutralization equation represent?Understanding the Overall Heat Transfer Coefficient in Heat ExchangersHow can the overall heat transfer coefficient of a heat exchanger be calculated, assuming no fouling?Understanding the Oxidation Number of Chlorine in CompoundsWhat is the oxidation number of chlorine in most compounds?Understanding the Oxidation Number of Oxygen in CompoundsWhat is the oxidation number of oxygen in compounds?Understanding the Oxidation Number of Sodium in CompoundsWhat is the oxidation number of sodium (Na) in compounds?Understanding the Potential Energy Formula, PE = mghWhat is the potential energy (PE) formula?Understanding the Reduction Process at the Cathode in a Galvanic CellWhich process occurs at the cathode in a galvanic cell?Understanding the Relationship Between Buoyant Force and Weight in FluidsWhat is the relationship between buoyant force and the weight of a body submerged in a fluid?Understanding the Relationship Between Distance, Velocity, and AccelerationWhat is the relationship between distance, velocity, and acceleration?Understanding the Relationship Between Heat Transfer Coefficients in Heat ExchangersWhich formula represents the relationship between heat transfer coefficients in a heat exchanger?Understanding the Relationship Between Specific Gas Constant and Speed of SoundTo find the speed of sound, what unit should the specific gas constant be in?Understanding the Relationship Between Stoichiometry and Reaction RatesWhat does the equation -(rA)/a = -(rB)/b = (rC)/c = (rD)/d represent in chemical reactions?Understanding the Role of Electrons in Redox ReactionsIn the context of redox reactions, what happens when electrons are gained by an atom or ion?Understanding the Role of Gasoline Engines in the Otto CycleWhich type of engine is primarily associated with the Otto cycle?Understanding the Role of Group Numbers in Valence ElectronsThe number of valence electrons of an atom is typically equal to which of the following?Understanding the Role of Ionic Bonds in Ceramic MaterialsWhat type of bonds are present in ceramics?Understanding the Role of Oxygen in Balancing Combustion EquationsWhen balancing combustion equations, what should be added to the right side when considering excess air?Understanding the Role of Poles in Transfer FunctionsIn a transfer function, what do the poles represent?Understanding the Role of the Denominator in Transfer Function AnalysisIn a transfer function analysis, what does the denominator typically represent?Understanding the Significance of a Positive Heat of ReactionWhat does a positive heat of reaction indicate about the reaction process?Understanding the Significance of Oxidative Potential in MetalsWhat is the significance of the oxidative potential of metals?Understanding the Standard Practices for Naming Binary Ionic CompoundsWhat is the standard practice for writing the name of a binary ionic compound?Understanding the Steps to Calculate Diffusion FluxWhat general steps are taken to find diffusion flux?Understanding the Types of Elements in Molecular CompoundsA molecular compound typically consists of which types of elements?Understanding Total Condensers and Reboilers in McCabe-Thiele DiagramsIn a McCabe-Thiele diagram, what does a total condenser or reboiler represent?Understanding Total Energy Conservation: A Key Concept in PhysicsWhich of the following describes the total energy conservation principle?Understanding Toughness: The Role of Charpy Impact Strength in Material TestingWhich factor is used to characterize the toughness of a material in mechanical testing?Understanding Unit Vectors in Engineering and PhysicsWhat is a unit vector?Understanding What 'Adiabatic' Means in ThermodynamicsWhat does the term 'adiabatic' refer to in thermodynamics?Understanding What a Negative Heat of Reaction Reveals About Exothermic ReactionsWhat does a negative heat of reaction indicate about a reaction?Understanding What Compounded Monthly Means for Your FinancesWhat does compounded monthly mean?Understanding What Defines a Heterogeneous ReactionWhat determines if a reaction is classified as heterogeneous?Understanding What Happens at the Cathode in Electrochemical CellsWhat happens at the cathode in an electrochemical cell?Understanding What Happens to Annuity Payments When Interest is Compounded MonthlyWhat happens to the annuity payment when interest is compounded monthly?Understanding What Kinetic Energy Really MeansWhat physical quantity does the term 'kinetic energy' refer to?Understanding What Taxable Income Represents in Chemical EngineeringWhat does taxable income represent in this context?Understanding when the operating line for a gas absorber touches the equilibrium curveWhen does the operating line for the gas absorber touch the equilibrium curve?Understanding which metals are likely to corrode and sacrificeWhich of the following metals is likely to sacrifice and corrode?Understanding Y in Packed Towers: The Mole Fraction of Gas PhaseIn the context of packed towers, what does Y represent?What happens when a floating body's weight exceeds the buoyant force?What occurs if the weight of a floating body is greater than the buoyant force?What happens when buoyant force equals weight in a fluid?What happens to a body when the buoyant force is equal to its weight?What is the Correct Formula for the Phosphate Ion?Which of the following is the correct formula for the phosphate ion?What Really Happens at the Anode During Electrochemical Reactions?What occurs at the anode during an electrochemical reaction?What to Avoid When Determining Oxidation Potential ValuesWhich type of reactions should be avoided for determining oxidation potential values?What You Need to Know About Endothermic ReactionsWhich of the following indicates that a reaction absorbs heat?What You Need to Know About Ionic BondsWhich of the following statements is correct about ionic bonds?What You Need to Know About the Ammonium Ion and Its Chemical FormulaWhat is the chemical formula for the ammonium ion?What You Need to Know About the Zeroes of a Transfer FunctionWhat are the zeroes of a transfer function?
More practice questions

These questions are part of the practice quiz. Start practicing

  • At what pressure can you use the ideal gas law to find the density of a gas?
  • How can one find (Ls/Gs)min in a packed tower context?
  • What does the term "saturation line" refer to in a psychrometric chart?
  • What defines an ionic compound?
  • What effect does increasing the temperature in a condensation process typically have on the humidity ratio?
  • How can the volume of an object that is floating be determined?
  • What is the charge of the ammonia compound (NH3)?
  • What is an important aspect of calculating the relationship between distance, velocity, and acceleration?
  • What is the correlation in spring dynamics involving kinetic and potential energy?
  • When naming ionic compounds, what is the correct order of naming?
  • According to Avogadro's Hypothesis, how much volume does one mole of gas occupy at STP?
  • Under what circumstances should specific weight be used instead of density multiplied by gravity in fluid problems?
  • In physics, how is linear momentum defined?
  • In naming molecular compounds, which element name comes first?
  • Which of the following is true about the behavior of gases at STP?
  • When calculating potential energy, which variable represents the height of the object above a reference point?
  • In terms of efficiency, what role does the compression ratio play in an Otto cycle?
  • What is the definition of impulse in physics?
  • When dealing with sludge or slurry that contains water and solids, what is the recommended strategy?
  • What does Gs represent when finding Ls/Gs for a packed tower?
  • Which term denotes the flowrate of the carrier liquid in a packed tower?
  • What is the first step in finding an empirical formula?
  • Which of the following is typically true about reactions in a single phase?
  • What is the heat of formation for an element?
  • What does the impulse equation represent?
  • Which of the following metals is considered passive?
  • How can you determine the amount of moles of each element in a compound?
  • Which of the following describes the characteristics of a molecular compound?
  • What is the relationship between spring compression and kinetic energy?
  • How is the magnitude of a vector calculated?
  • What happens to the viscosity of gases as temperature increases?
  • What is defined as the characteristic equation in control systems?
  • What characterizes supersonic flow?
  • What is described as the most efficient engine possible in thermodynamics?
  • What defines a homogeneous reaction?
  • Which of the following ions has a charge of -2?
  • What ion is represented by SO4 2-?
  • What distinguishes nonelementary reactions from elementary reactions?
  • What is the operating line equation for packed towers?
  • Under what conditions can the compressibility factor be assumed to be 1?
  • What is the formula to calculate book value in economics?
  • What does the equilibrium constant represent in a chemical reaction?
  • In psychrometrics, what does the term "RH" stand for?
  • Which principle is illustrated by the constant molar overflow assumption?
  • Which ion is formed when a phosphorous atom gains three electrons?
  • What does the term 'constant molar overflow' refer to in distillation?
  • What does the atomic number of an element signify?
  • How does the viscosity of a liquid change as temperature increases?
  • What is the standard cycle used for steam power plants?
  • What is the calculation method for net income after taxes?
  • What does the Charpy test determine?
  • What is the formula for calculating average speed?
  • What is true about elementary reactions?
  • What is a critical consideration when utilizing the psychometric chart?
  • Which cycle demonstrates a phase change from liquid to gas in power plants?
  • What does the fluids continuity equation express?
  • What does 'isentropic' refer to in thermodynamics?
  • For gas phase reactions, how is the equilibrium constant expressed?
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