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Basic Chemical Engineering MCQ (Interview-Exam) Question-Answer

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Basic Chemical Engineering MCQ (Interview-Exam) Question-Answer
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Basic Chemical Engineering MCQ (Interview-Exam) Question-Answer

Q.1 Which of the following has the same number of moles as in 398 grams of CuSO4?

       A. 58.5 grams of Sodium chloride

       B. 40 grams of oxygen

       C. 35 grams of nitrogen

       D. 2 grams of hydrogen

Ans : 40 grams of oxygen


Q.2 What is the unit of specific gravity?

       A. m/s2

       B. Kg/m3

       C. Dimensionless

       D. N/m3

Ans : Dimensionless


Q.3 What is the unit of mole fraction?

       A. m-2

       B. Kg/m3

       C. N/m3

       D. None of the above

Ans : None of the above


Q.4 What is the specific gravity of 5 Kg of water occupied in 10 m3 with respect to 500 g/m3?

       A. 2

       B. 5

       C. 0.5

       D. 1

Ans : 1


Q.5 What is the 100oC in degree Fahrenheit?

       A. 212oF

       B. 0oF

       C. 100oF

       D. 460oF

Ans : 212oF


Q.6 What is the weight of 10 moles of a mixture with composition 15% O2, 25% SO2, 30% COCl2, 25% SO3 and 5% N2?

       A. 475

       B. 719

       C. 564

       D. 867

Ans : 719


Q.7 Which of the following is not a pressure measuring device?

       A. Manometer

       B. Barometer

       C. Galvanometer

       D. None of the above

Ans : Galvanometer


Q.8 What is the pressure of 1900 Torr in the bar?

       A. 2.87

       B. 2.68

       C. 2.46

       D. 2.40

Ans : 2.40


Q.9 Which of the following is a state function?

       A. Heat

       B. Work

       C. Entropy

       D. None of the above

Ans : Entropy


Q.10 Which of the following is used for the pressure measurement of only liquid?

       A. Manometer

       B. Piezometer

       C. Differential Manometer

       D. None of the above

Ans : Piezometer


Q.11 Which of the following is true about limiting reagents?

       A. Does not react

       B. None of the above

       C. Consumes partially

       D. Consumes completely

Ans : Consumes completely


Q.12 Water boiling in a container is an example of which of the following?

       A. Batch

       B. Batch & Semi-batch

       C. Semi-batch

       D. Neither of them

Ans : Neither of them


Q.13 Which of the following is not true about ideal gas molecules?

       A. They have negligible size

       B. They do not apply pressure

       C. They do not have attractive forces

       D. They move in random motion

Ans : They do not apply pressure


Q.14 Which of the following composition can be controlled by a bypass stream?

       A. Process

       B. Exit stream

       C. Feed

       D. None of the above

Ans : Exit stream


Q.15 Which of the following is not the equation of state?

       A. Holborn Equation

       B. Van der Waals Equation

       C. Charles Equation

       D. Peng Robinson Equation

Ans : Charles Equation


Q.16 Which of the following is true about compressibility of real gases?

       A. Z > 1

       B. Both Z < 1 and Z > 1

       C. Z < 1

       D. Z = 1

Ans : Both Z < 1 and Z > 1


Q.17 Which of the following is the property of adsorbtion isotherm?

       A. Linear

       B. Decreasing

       C. Monotonous

       D. None of the above

Ans : Monotonous


Q.18 A liquid evaporates first at which of the following conditions?

       A. High attraction forces

       B. Low attraction forces

       C. Low vapor pressure

       D. High boiling point

Ans : Low attraction forces


Q.19 Which of the following is not the type of energy?

       A. Work

       B. Entropy

       C. Heat

       D. Enthalpy

Ans : Entropy


Q.20 Which of the following is true for an open system?

       A. Flow system

       B. Cannot say

       C. Non Flow system

       D. None of the above

Ans : Flow system


Q.21 Which of the following is not an example of mechanical energy?

       A. Potential energy

       B. Kinetic energy

       C. Internal energy

       D. Work

Ans : Internal energy


Q.22 Which of the following a reversible process will involve?

       A. Dissipative effects

       B. Friction

       C. Equilibrium transfer of energy

       D. None of the above

Ans : Equilibrium transfer of energy


Q.23 Which of the following is not found in process simulators?

       A. Splitters

       B. Heat exchangers

       C. Compressors

       D. None of the above

Ans : None of the above


Q.24 Which of the following is a feature of process simulator?

       A. Scheduling of batch operations

       B. Equipment sizing functions

       C. Import and export data

       D. All of the above

Ans : All of the above


Q.25 Which of the following cannot be treated as a variable for degrees of freedom calculation?

       A. Temperature

       B. Volume

       C. Work

       D. Pressure

Ans : Volume


Q.26 Wet-bulb temperature is based on the equilibrium between rates of energy transfer to the bulb and which of the following?

       A. Evaporation of water

       B. Saturation of water

       C. Freezing of water

       D. None of the above

Ans : Evaporation of water


Q.27 Which of the following is required for the calculation of heat of reaction in the energy balance?

       A. Heat of solution at reference state

       B. Heat of dissolution at reference state

       C. Heat of formation

       D. All of the above

Ans : All of the above


Q.28 Which of the following is heat required in phase transitions?

       A. Latent Heat

       B. Sensible Heat

       C. Depends on type of phase transition

       D. None of the above

Ans : Latent Heat


Q.29 Which of the following process P-V work in highest?

       A. Second derivative is zero

       B. Second derivative is negative

       C. Second derivative is positive

       D. All of the above

Ans : Second derivative is negative


 

Basics of Chemical Engineering

  • Definition: Chemical engineering is a branch of engineering that applies physical sciences, chemistry, mathematics, and economics to efficiently use, produce, design, transport, and transform energy and materials.
  • Core Principles: Chemical engineering involves the application of fundamental principles such as mass and energy balances, thermodynamics, fluid mechanics, and heat transfer to various processes.
  • Unit Operations: Chemical engineering is often associated with unit operations, which are individual operations or processes that form the basis of larger chemical processes. Examples include distillation, filtration, and reaction engineering.
  • Chemical Processes: Chemical engineers design and optimize processes for the production of chemicals, materials, pharmaceuticals, and energy. They focus on efficiency, sustainability, and safety in these processes.
  • Material and Energy Balances: Ensuring that materials and energy inputs and outputs are balanced is a fundamental aspect of chemical engineering. This involves tracking the flow of materials and energy through a system.
  • Safety: Safety is a critical consideration in chemical engineering. Engineers must identify and mitigate potential hazards associated with chemical processes to ensure the well-being of workers and the environment.
  • Interdisciplinary Nature: Chemical engineering integrates knowledge from various disciplines, including chemistry, physics, biology, and mathematics, to solve complex engineering problems.
  • Process Optimization: Chemical engineers work to optimize processes to improve efficiency, reduce costs, and minimize environmental impact. This involves the use of mathematical modeling and simulation tools.
Basic Chemical Engineering MCQ MCQ Question-Answer

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