What is the primary function of photovoltaic (PV) cells in solar power systems? Convert sunlight into \[ AC \] electricity Store sunlight energy as thermal heat Convert sunlight into \[ DC \] electricity Reflect sunlight away to reduce heat

Convert sunlight into \[ DC \] electricity

What is net metering in the context of solar energy? A system to measure wind speed for energy production A method to store energy in batteries Selling excess solar power back to the grid Converting solar power into thermal energy

Selling excess solar power back to the grid

What does the capacity factor measure in wind energy systems? The height of wind turbines The energy output of solar panels The efficiency of a wind turbine over time The chemical composition of wind

The efficiency of a wind turbine over time

What is the role of dams in hydroelectric power systems? Reflect sunlight Produce solar energy Store and release water to generate power Capture wind energy

Store and release water to generate power

What is an open thermodynamic system? A system exchanging only energy A system exchanging neither energy nor matter A system exchanging both energy and matter A system exchanging only matter

A system exchanging both energy and matter

What characterizes an adiabatic process? Pressure remains constant Temperature remains constant No heat exchange with surroundings Volume remains constant

No heat exchange with surroundings

What does the Third Law of Thermodynamics imply at absolute zero? Entropy reaches a constant minimum Energy is conserved Heat flows from hot to cold Volume remains constant

Entropy reaches a constant minimum

What is the primary goal of process engineering? Maximize profitability while ensuring efficiency, safety, and sustainability Design intricate machinery Develop new raw materials Increase workforce skills

Maximize profitability while ensuring efficiency, safety, and sustainability

In process engineering, what does process design primarily involve? Adjusting operating parameters Designing equipment and flow diagrams Managing fluid flow Controlling temperature

Designing equipment and flow diagrams

What does material balance ensure in process engineering? Materials entering are balanced with those leaving Optimal chemical reaction conditions Fluid dynamic stability Thermal equilibrium

Materials entering are balanced with those leaving

In process engineering, what is the purpose of control systems? Enhance visual design Regulate temperature, pressure, and flow rates Accelerate chemical reactions Reduce material costs

Regulate temperature, pressure, and flow rates

Reactor design in chemical engineering involves what aspect? Selecting the right reactor type Increasing fluid pressure Balancing energy consumption Automating workflow

Selecting the right reactor type

What is the primary function of separation processes? Combine different materials Increase heat transfer Separate components based on physical or chemical properties Enhance process safety

Separate components based on physical or chemical properties

What does process optimization aim to achieve? Create new raw materials Minimize costs and maximize efficiency Eliminate all overhead expenses Enhance workforce skills

Minimize costs and maximize efficiency

Engineering

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