Mixed Deck — All SE ENGR. Topics Flashcards
93 cards from real SE ENGR. practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 20 Mixed Deck — All SE ENGR. Topics flashcards as text
What is the primary cause of attenuation of solar radiation as it passes through the Earth's atmosphere?
Answer: Absorption and scattering by gases, aerosols, and clouds
Solar radiation is attenuated primarily by absorption from gases (O₂, O₃, H₂O, CO₂) and scattering by aerosol particles and cloud droplets as it travels through the atmosphere.
What quality control measure is most important in project management?
Answer: Continuous quality assurance throughout the project lifecycle
Continuous quality assurance throughout the project lifecycle catches issues early when they are easiest and least costly to correct.
How should engineering changes to safety standards be managed?
Answer: Through a formal change control process with documentation and approval
Formal change control processes ensure all modifications are properly evaluated, approved, documented, and communicated.
What professional responsibility applies when practicing project management?
Answer: Holding paramount the safety, health, and welfare of the public
The fundamental canon of engineering ethics requires holding paramount the safety, health, and welfare of the public.
What is the primary design consideration in regulatory compliance for Solar Energy Engineering Certification?
Answer: Safety, functionality, and compliance with applicable codes
In Solar Energy Engineering Certification, regulatory compliance design must prioritize safety, functionality, and code compliance above all other considerations.
What professional responsibility applies when practicing quality assurance?
Answer: Holding paramount the safety, health, and welfare of the public
The fundamental canon of engineering ethics requires holding paramount the safety, health, and welfare of the public.
The term 'insolation' in solar energy engineering refers to:
Answer: Cumulative solar energy received per unit area, typically expressed in kWh/m²/day
Insolation (incident solar radiation) is the time-integrated solar energy received on a surface, expressed in kWh/m² (or equivalent peak sun hours), and is the key metric for estimating PV energy yield.
How should engineering changes to regulatory compliance be managed?
Answer: Through a formal change control process with documentation and approval
Formal change control processes ensure all modifications are properly evaluated, approved, documented, and communicated.
The solar altitude angle is defined as the angle between:
Answer: The sun's rays and the horizontal plane at the observer's location
The solar altitude angle (also called solar elevation angle) is the angle between the sun's rays and the horizontal plane, complementary to the solar zenith angle.
What is the primary design consideration in material properties for Solar Energy Engineering Certification?
Answer: Safety, functionality, and compliance with applicable codes
In Solar Energy Engineering Certification, material properties design must prioritize safety, functionality, and code compliance above all other considerations.
What does a Typical Meteorological Year (TMY) dataset represent?
Answer: A synthetic year of hourly data representing average long-term conditions
A TMY is a composite dataset of 12 selected months from different years, chosen to statistically represent the long-term average solar and meteorological conditions at a location.
What is the standard test condition (STC) for measuring PV module performance?
Answer: 1000 W/m² irradiance at 25°C
Standard Test Conditions (STC) are a set of laboratory conditions used to uniformly rate and compare the performance of different PV modules. These conditions specify an irradiance of 1000 W/m² (which simulates peak midday sun), a cell temperature of 25°C, and an air mass of 1.5. Using STC allows for a standardized and fair comparison of power output and efficiency among various solar panels.
What is the approximate solar declination angle at the summer solstice in the Northern Hemisphere?
Answer: +23.45°
At the summer solstice (around June 21), the solar declination reaches its maximum positive value of approximately +23.45°, corresponding to the axial tilt of Earth.
Which factor is crucial for determining the efficiency of an energy storage system?
Answer: Round-trip efficiency
Round-trip efficiency is a crucial factor for determining the overall performance and effectiveness of an energy storage system. It measures the percentage of energy put into the storage system that can be successfully retrieved for use, accounting for losses during both the charging and discharging processes. A higher round-trip efficiency indicates less energy waste, making the storage solution more economical and environmentally friendly.
What professional responsibility applies when practicing regulatory compliance?
Answer: Holding paramount the safety, health, and welfare of the public
The fundamental canon of engineering ethics requires holding paramount the safety, health, and welfare of the public.
Which component in a solar thermal system helps store heat for use when sunlight is not available?
Answer: Thermal storage tank
The thermal storage tank is an essential component in a solar thermal system, designed to store the heat collected by the solar panels. This allows the system to provide hot water or space heating even when sunlight is not available, such as during the night or on cloudy days. By storing heat, it ensures a continuous and reliable supply of thermal energy, maximizing the system's utility.
What environmental consideration applies to quality assurance?
Answer: Sustainable practices and environmental compliance are required by regulations and professional ethics
Environmental compliance and sustainable practices are both regulatory requirements and professional ethical obligations for engineers.
What environmental consideration applies to regulatory compliance?
Answer: Sustainable practices and environmental compliance are required by regulations and professional ethics
Environmental compliance and sustainable practices are both regulatory requirements and professional ethical obligations for engineers.
What environmental consideration applies to project management?
Answer: Sustainable practices and environmental compliance are required by regulations and professional ethics
Environmental compliance and sustainable practices are both regulatory requirements and professional ethical obligations for engineers.
What does DNI stand for in solar resource assessment?
Answer: Direct Normal Irradiance
DNI stands for Direct Normal Irradiance, the solar radiation received per unit area by a surface always held perpendicular to the sun's rays.