1
What happens to the boiling point when there are impurities present in pure water?
The boiling point decreases
How many phases of water are there?
3 phases
What is the product formed when a metal reacts with an acid
Hydrogen and salt
What is the purpose of a micropipette?
To dispense measured volume of liquids (for small volume)
What does pH stand for in pH value?
Potential of hydrogen
What is the term used to refer to the temperature and pressure at which the solid, liquid, and vapour phases of a pure substance can coexist in equilibrium?
Triple point
What is the usage of a catalyst in a reaction?
A: To activate the reaction
B: To speed up the reaction
C: To slow down the reaction
D: To increase the final amount of product
B: To speed up the reaction
What is superheated steam?
A: steam at a temperature higher than its vaporization point
B: steam at a temperature lower than its vaporization point
A: steam at a temperature higher than its vaporization point
What is the product of alcohol reacting with a carboxylic acid in the presence of an acid catalyst?
Ester
What is/are the internal component(s) that can be found in a distillation column?
A: Trays
B: Disk
C: Orifice
D: Buffer
A: Trays
What is the purpose of a pump in Chemical Engineering?
A: Heat transfer in chemical reactions
B: Fluid mixing in reactors
C: Transfer energy to an incoming fluid
D: Temperature control in distillation column
C: Transfer energy to an incoming fluid
Why is safety important in chemical engineering processes?
A: Aesthetic purposes
B: Regulatory compliance
C: Cost reduction
D: Weather prediction
B: Regulatory compliance
What unit operation is commonly used for reducing the size of particles?
A: Crushing
B: Crystallization
C: Distillation
D: Agitation
A: Crushing
What causes the change of Specific Heat Capacity (Cp)?
A: Temperature
B: Volume
C: Length
D: Mass
A: Temperature
Which of the following is a primary function of a catalytic converter?
A: Separation of gases
B: Conversion of pollutants into less harmful substances
C: Consumption of heat
D: Generation of heat
B: Conversion of pollutants into less harmful substances
What does Reynold's number characterize?
A: Fluid viscosity
B: Flow velocity
C: Heat transfer
D: Pressure drop
B: Flow velocity
Which of the following is a common method for wastewater treatment?
A: Reverse Osmosis
B: Solid waste incineration
C: Acid neutralization
D: All of the above
E: None of the above
D: All of the above
What is entropy in thermodynamics?
A: Energy conservation
B: Measure of randomness
C: Heat transfer efficiency
D: Pressure-volume relationships
B: Measure of randomness
What is the definition of viscosity of liquid?
A: The fluidity of the liquid
B: The driving force of the liquid
C: The resistance to the flow of a liquid
C: The resistance to the flow of a liquid
What is the purpose of the distillation column?
A: To separate liquids with different boiling points
B: To separate liquids with different densities
C: To separate liquids with different freezing points
A: To separate liquids with different boiling points
Which job roles can be found in the environment industry?
A: Process Technician
B: Auditor
C: Qualitative Analyst
D: Process Engineer
A, B, C & D
Which of the followings are examples of unit operations in Chemical engineering?
A: Neutralization
B: Mixing
C: Reaction
D: Laminating
A, B & C
How do chemical engineers contribute to environmental sustainability in the oil and gas industry?
A: Improving the efficiency of refining processes and reducing energy consumption
B: Develop strategies for the proper treatment and disposal of waste
C: Purchase an electric car for personal use
D: Buy stocks in green technology companies
A & B
What is the role of a process engineer in the semiconductor industry?
A: Make process adjustments to optimize quality and Operational efficiency
B: Engage in Continuous Development of Process Knowledge
C: Install, Maintain and repair equipment on-site
D: Conduct routine inspections for the equipment
A & B
What type of reactor is commonly used for high-pressure reactions
A: Batch reactor
B: Continuous stirred-tank reactor
C: Plug-flow reactor
D: Fixed-bed reactor
D: Fixed-bed reactor