HAT Subject (Chemical Engineering) FLP 2 Free Quiz

HAT Subject (Chemical Engineering) – FLP 2

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HAT Subject (Chemical Engineering) – FLP 2 consists of 100 MCQs covering 1 subjects. You have 120 minutes to complete it. Start with the easier questions and manage your time wisely. Good luck!

Chemical Engineering 100 MCQs

1. What shows detailed piping and instrumentation?

A. PFD B. Block diagram C. Layout diagram D. P&ID

2. What is the arrangement of equipment and facilities in a plant?

A. PFD B. P&ID C. Plant layout D. Piping

3. What includes capital and operating costs?

A. Process design B. Mechanical design C. Layout D. Economic evaluation

4. What is the initial investment for a plant?

A. Operating cost B. Capital cost C. Maintenance cost D. Utility cost

5. What measures the profitability of an investment?

A. Payback period B. NPV C. IRR D. ROI

6. What is the sum of discounted cash flows?

A. ROI B. NPV C. IRR D. Payback period

7. What study is used to identify hazards in a plant?

A. FMEA B. HAZOP C. Risk assessment D. Safety audit

8. What aims to make processes more efficient and compact?

A. Safety B. Environmental C. Process intensification D. Cost

9. What is used for heat integration in plant design?

A. HAZOP B. FMEA C. Risk assessment D. Pinch analysis

10. What include size, material, and operating conditions?

A. PFDs B. P&IDs C. Equipment specifications D. Layouts

11. What is the process of starting up a new plant?

A. Design B. Construction C. Commissioning D. Operation

12. What is the accounting of mass entering and leaving a process?

A. Energy balance B. Mass balance C. Momentum balance D. Entropy balance

13. What is the accounting of energy entering and leaving a process?

A. Energy balance B. Mass balance C. Momentum balance D. Entropy balance

14. What type of process has accumulation of mass or energy over time?

A. Steady-state B. Batch C. Continuous D. Unsteady-state

15. What is a process with some inputs and outputs while others are batch?

A. Continuous B. Batch C. Semi-batch D. Steady-state

16. What is the ratio of mass of a component to total mass?

A. Mole fraction B. Mass fraction C. Volume fraction D. Weight fraction

17. What is the ideal gas law?

A. PV = nRT B. PV = nRT C. PV = nRT D. PV = nRT

18. What is the fraction of reactant converted to product?

A. Conversion B. Yield C. Selectivity D. Extent of reaction

19. What is the amount of product obtained relative to the theoretical maximum?

A. Conversion B. Selectivity C. Yield D. Stoichiometry

20. What is the ratio of desired product to undesired product?

A. Conversion B. Yield C. Stoichiometry D. Selectivity

21. What is a measure of how far a reaction has proceeded?

A. Conversion B. Extent of reaction C. Yield D. Selectivity

22. What returns a portion of the product or effluent to the process?

A. Recycle B. Bypass C. Purge D. Make-up

23. What replaces material lost from the process?

A. Recycle B. Make-up C. Bypass D. Purge

24. What expresses the relationship between rate and concentrations?

A. Integrated rate law B. Arrhenius equation C. Equilibrium constant D. Rate law

25. What is the sum of the exponents in the rate law?

A. Molecularity B. Order C. Rate constant D. Activation energy

26. What does a catalyst do to activation energy?

A. Lowers activation energy B. Increases activation energy C. Has no effect D. Changes rate constant

27. What is the time required for concentration to decrease by half?

A. Rate constant B. Activation energy C. Order D. Half-life

28. What is the integrated rate law for a zero-order reaction?

A. ln[A] = -kt + ln[A]₀ B. [A] = -kt + [A]₀ C. 1/[A] = kt + 1/[A]₀ D. [A] = kt + [A]₀

29. What theory describes the formation of an activated complex?

A. Transition state theory B. Collision theory C. Arrhenius theory D. Eyring theory

30. What equation relates reaction rate to temperature using transition state theory?

A. Arrhenius B. van't Hoff C. Clausius-Clapeyron D. Eyring

31. What reactor has no mixing in the axial direction?

A. CSTR B. Batch C. PFR D. Fluidized bed

32. What is a measure of a fluid's resistance to flow?

A. Density B. Pressure C. Temperature D. Viscosity

33. What is turbulent flow?

A. Laminar flow B. Transitional flow C. Turbulent flow D. Steady flow

34. What law states that pressure in a confined fluid is transmitted equally?

A. Bernoulli B. Pascal C. Archimedes D. Newton

35. What is Archimedes' principle?

A. Archimedes B. Pascal C. Bernoulli D. Torricelli

36. What equation calculates head loss due to friction in pipes?

A. Darcy-Weisbach B. Hagen-Poiseuille C. Bernoulli D. Manning

37. What device extracts energy from a fluid?

A. Pump B. Turbine C. Compressor D. Blower

38. What is the Mach number?

A. Reynolds B. Froude C. Mach D. Weber

39. What equation describes the motion of a viscous fluid?

A. Euler B. Bernoulli C. Navier-Stokes D. Reynolds

40. What is Fourier's Law?

A. q = h(Ts - T∞) B. q = εσT⁴ C. q = -kA dT/dx D. q = -k dT/dx

41. What is Newton's Law of Cooling?

A. Fourier B. Stefan-Boltzmann C. Newton D. Planck

42. What is the Stefan-Boltzmann Law?

A. q = εσT⁴ B. q = σT² C. q = σT D. q = σ/T⁴

43. What is a heat exchanger?

A. Boiler B. Heat exchanger C. Condenser D. Evaporator

44. What does U represent in heat transfer?

A. Overall heat transfer coefficient B. Convective coefficient C. Thermal conductivity D. Thermal resistance

45. What method is used for heat exchanger design?

A. LMTD B. Energy balance C. Thermal resistance D. Effectiveness-NTU

46. What is the Nusselt number?

A. Reynolds B. Prandtl C. Nusselt D. Grashof

47. What type of convection is driven by external means?

A. Natural B. Free C. Buoyant D. Forced

48. What is mass transfer?

A. Movement of mass from one location to another B. Fluid flow and pressure C. Thermal energy transfer D. Chemical reactions

49. What is a measure of how fast molecules diffuse?

A. Mass transfer coefficient B. Diffusion coefficient C. Diffusivity D. Permeability

50. What is the transfer of mass by fluid motion?

A. Convection mass transfer B. Diffusion C. Osmosis D. Advection

51. What coefficient is used in convective mass transfer?

A. Diffusion coefficient B. Thermal conductivity C. Mass transfer coefficient D. Viscosity

52. What is the ratio of momentum diffusivity to mass diffusivity?

A. Sherwood B. Schmidt C. Prandtl D. Grashof

53. What is Henry's Law?

A. p = HC B. p = HC C. p = HC D. p = HC

54. What is the driving force for mass transfer?

A. Temperature B. Concentration gradient C. Pressure D. Velocity

55. What mass transfer coefficient accounts for resistance in one phase?

A. Individual B. Overall C. Film D. Boundary

56. What analogy uses similar dimensionless numbers?

A. Reynolds B. Prandtl C. Nusselt D. Heat-mass transfer analogy

57. What analogy relates heat, mass, and momentum transfer?

A. Reynolds B. Chilton-Colburn C. Prandtl D. Nusselt

58. What law describes the solubility of a gas in a liquid?

A. Raoult's Law B. Dalton's Law C. Henry's Law D. Graham's Law

59. What is process control?

A. Regulation of process variables to maintain desired conditions B. Fluid flow and pressure C. Thermal energy transfer D. Separation processes

60. What does the proportional controller do?

A. Proportional B. Integral C. Derivative D. Both

61. Which controller eliminates steady-state error?

A. Proportional B. Derivative C. Integral D. None

62. What does the derivative controller do?

A. Proportional B. Integral C. None D. Derivative

63. What is the characteristic equation?

A. Denominator zero B. Numerator zero C. Gain zero D. Input zero

64. What is a polar plot of the frequency response?

A. Nyquist B. Bode C. Root locus D. Nichols

65. What does a root locus plot show?

A. Bode B. Nyquist C. Root locus D. Nichols

66. What is phase margin?

A. Gain margin B. Phase margin C. Bandwidth D. Peak

67. What is gain margin?

A. Gain margin B. Phase margin C. Bandwidth D. Peak

68. What determines overshoot and settling time in a second-order system?

A. Natural frequency B. Gain C. Damping ratio D. Time constant

69. What is an underdamped system?

A. Critically damped B. Underdamped C. Overdamped D. Undamped

70. What is an overdamped system?

A. Overdamped B. Underdamped C. Critically damped D. Undamped

71. What is the natural frequency?

A. Damping ratio B. Gain C. Natural frequency D. Time constant

72. What representation uses state variables?

A. Transfer function B. Frequency response C. State-space D. Impulse response

73. What transform is used in control systems for analysis?

A. Fourier B. Z-transform C. Laplace D. Hilbert

74. What is the First Law of Thermodynamics?

A. ΔS = Q/T B. ΔH = ΔU + PΔV C. ΔU = Q - W D. ΔG = ΔH - TΔS

75. What is Gibbs free energy?

A. G = H + TS B. G = U + PV C. G = U - TS D. G = H - TS

76. What law states that enthalpy change is independent of the pathway?

A. First Law B. Second Law C. Hess's Law D. Third Law

77. What is the enthalpy change when one mole of a compound is formed from its elements?

A. Combustion B. Neutralization C. Solution D. Formation

78. What is the enthalpy change when one mole of a substance is burned?

A. Formation B. Combustion C. Neutralization D. Solution

79. What is the energy required to break a bond?

A. Formation B. Combustion C. Neutralization D. Bond dissociation

80. What is the energy required to separate ions in a crystal lattice?

A. Bond dissociation B. Lattice enthalpy C. Hydration D. Solvation

81. What cycle is used to calculate lattice enthalpy?

A. Haber process B. Contact process C. Born-Haber cycle D. Solvay process

82. What equation relates vapor pressure to temperature?

A. Clausius-Clapeyron B. Arrhenius C. van't Hoff D. Gibbs-Helmholtz

83. What happens to entropy when a gas condenses to a liquid?

A. Decreases B. Increases C. Stays the same D. Fluctuates

84. What is the change in Gibbs free energy when one mole of a compound is formed from its elements?

A. Enthalpy B. Entropy C. Gibbs free energy D. Internal energy

85. What is the transfer of a solute from a gas to a liquid?

A. Distillation B. Extraction C. Adsorption D. Absorption

86. What is the transfer of a solute from one liquid to another?

A. Distillation B. Extraction C. Adsorption D. Absorption

87. What separation process is based on the formation of solid crystals?

A. Distillation B. Extraction C. Drying D. Crystallization

88. What method uses enthalpy-concentration diagrams?

A. Ponchon-Savarit B. McCabe-Thiele C. Fenske D. Underwood

89. What are mixtures with constant boiling point and composition?

A. Ideal B. Non-ideal C. Azeotropes D. Eutectic

90. What type of distillation is used for heat-sensitive materials?

A. Steam B. Vacuum C. Azeotropic D. Extractive

91. What is the fraction of desired component in the product?

A. Selectivity B. Efficiency C. Recovery D. Purity

92. What is the ratio of concentrations in two phases?

A. Selectivity B. Distribution coefficient C. Recovery D. Purity

93. What equations describe momentum transfer in fluids?

A. Fourier's Law B. Fick's Law C. Newton's Law D. Navier-Stokes

94. What law describes mass transfer?

A. Fick's Law B. Fourier's Law C. Newton's Law D. Navier-Stokes

95. What is the ratio of thermal diffusivity to mass diffusivity?

A. Lewis B. Prandtl C. Schmidt D. Sherwood

96. What is the ratio of inertial to viscous forces?

A. Prandtl B. Reynolds C. Schmidt D. Nusselt

97. What is the ratio of heat transferred to thermal capacity?

A. Nusselt B. Stanton C. Prandtl D. Reynolds

98. What analogy relates heat, mass, and momentum transfer?

A. Chilton-Colburn B. Reynolds C. Prandtl D. Nusselt

99. What is used in the Chilton-Colburn analogy for heat and mass transfer?

A. Stanton B. Prandtl C. j-factor D. Schmidt

100. What is the region where temperature changes from wall to free-stream?

A. Thermal boundary layer B. Velocity boundary layer C. Concentration boundary layer D. Momentum boundary layer

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