TheorySolar PV Design Exam Prep
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30 free Solar PV Design Exam Prep questions
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Solar PV Design Exam Prep
When reviewing local authority having jurisdiction (AHJ) requirements for a commercial PV installation, which of the following would typically be the MOST important to consider first?
Correct — D. Setback requirements from the building code are crucial to consider early in the design phase as they directly impact where PV equipment can be placed and may significantly constrain system size and configuration. -
Solar PV Design Exam Prep
Which section of the 2017 NEC specifically addresses solar photovoltaic systems?
Correct — C. Article 690 of the National Electrical Code (NEC) is dedicated specifically to solar photovoltaic systems and contains the requirements for installation, operation, and maintenance of these systems. -
Solar PV Design Exam Prep
When reviewing utility interconnection requirements, which of the following is typically required for grid-connected PV systems?
Correct — B. An external disconnect switch is typically required by utilities to allow them to isolate the PV system from the grid during maintenance or emergency situations. -
Solar PV Design Exam Prep
A homeowners association (HOA) covenant restricts roof-mounted solar equipment visibility from the street. Which design approach would best address this requirement?
Correct — A. Placing the array on the rear-facing roof slope would typically make it less visible from the street, helping comply with HOA visibility restrictions while still allowing for solar installation. -
Solar PV Design Exam Prep
According to the 2017 NEC, what is the required minimum clear space in front of electrical equipment operating at 600V or less?
Correct — D. NEC 110.26(A)(1) requires a minimum working space of 3 feet (36 inches) in front of electrical equipment operating at 600V or less to ensure safe access for installation and maintenance. -
Solar PV Design Exam Prep
When reviewing project criteria for a new PV installation, which document would contain the specific structural requirements for roof loading?
Correct — C. Structural engineering reports contain the analysis of roof loading capacity, which is critical for determining if the roof can support the additional weight of a PV system. -
Solar PV Design Exam Prep
When evaluating utility requirements for a grid-connected PV system, which of the following limitations would MOST directly affect system size?
Correct — B. Net metering capacity limits directly restrict the maximum size of a grid-connected PV system that can participate in net metering programs, which affects system sizing decisions. -
Solar PV Design Exam Prep
Which of the following best describes a key purpose of reviewing construction specification documents during PV system design?
Correct — A. Construction specification documents provide detailed requirements for materials and installation methods that must be followed for a project to be considered compliant, ensuring the PV system meets all required standards. -
Solar PV Design Exam Prep
In accordance with the 2017 NEC, what is the minimum distance required between a PV array and the roof ridge to allow for firefighter access?
Correct — D. NEC 690.12(D) requires at least 3 feet (36 inches) of clear space between a PV array and the roof ridge to allow firefighter access and ventilation in case of emergency. -
Solar PV Design Exam Prep
When reviewing local zoning ordinances for a ground-mounted PV array, which of the following would typically be MOST restrictive?
Correct — C. Height limitations in zoning ordinances often present the most restrictive challenge for ground-mounted PV arrays, as they directly limit the tilt angle and overall design of the system. -
Solar PV Design Exam Prep
According to most electric service providers, which of the following is typically required before a PV system can be interconnected to the grid?
Correct — B. An interconnection agreement is a legal contract between the customer and the utility that must be executed before a PV system can be connected to the grid, outlining terms, conditions, and responsibilities. -
Solar PV Design Exam Prep
When reviewing the construction plan set for a new commercial building with planned PV, which drawing would contain information about the existing electrical service capacity?
Correct — A. Electrical site plans typically show the existing electrical service capacity, including service entrance, main panel location, and capacity information that is critical for PV integration planning. -
Solar PV Design Exam Prep
Which type of document would specify the wind and snow load ratings that a roof-mounted PV system must be designed to withstand?
Correct — D. Structural engineering specifications detail the required wind and snow load ratings that any rooftop equipment, including PV systems, must be designed to withstand based on local conditions and building codes. -
Solar PV Design Exam Prep
According to the 2017 NEC, what is required for PV systems on buildings with rapid shutdown?
Correct — C. NEC 690.12 requires that conductors be limited to no more than 30 volts within 30 seconds of rapid shutdown initiation, providing safety for first responders in emergency situations. -
Solar PV Design Exam Prep
When reviewing project criteria for a proposed PV system, which document would contain the requirements for fire department access pathways on the roof?
Correct — B. Local fire codes specify requirements for access pathways on roofs with PV systems to ensure firefighters have safe access routes for emergency operations. -
Solar PV Design Exam Prep
Which of the following utility requirements would MOST directly affect the electrical configuration of a grid-tied PV system?
Correct — A. Power factor requirements directly affect the electrical configuration of the system, as they dictate how the inverter must be programmed to deliver power at a specific power factor to maintain grid stability. -
Solar PV Design Exam Prep
When reviewing covenants for a residential PV installation, which restriction would MOST impact the system's energy production capability?
Correct — D. Restrictions on module orientation can significantly impact energy production as they may prevent optimal positioning of panels to capture maximum sunlight, potentially reducing system output substantially. -
Solar PV Design Exam Prep
According to the 2017 NEC, ground-mounted PV array fences must be at least how far from the array?
Correct — C. NEC 110.31 requires a minimum distance of 3 feet (36 inches) between ground-mounted PV arrays and fences to allow adequate working space for maintenance and service. -
Solar PV Design Exam Prep
When reviewing electric service provider requirements, which of the following would typically be needed for systems larger than 10kW?
Correct — B. Systems larger than 10kW typically require a professional engineer's stamp on interconnection plans to verify that the system meets all utility and code requirements, ensuring safe and proper grid connection. -
Solar PV Design Exam Prep
Which construction document would provide information about the existing electrical panel's bus bar rating?
Correct — A. Electrical single-line diagrams show the electrical distribution system including panel bus bar ratings, which are critical for determining available capacity for PV interconnection. -
Solar PV Design Exam Prep
Which of the following is most important to document when conducting a preliminary site assessment for a roof-mounted PV array?
Correct — D. Roof age, condition and material are critical factors that determine if a roof is suitable for a PV installation and how long it might last in relation to the expected lifespan of the PV system. -
Solar PV Design Exam Prep
When assessing a potential ground mount location, which soil characteristic is most important to document?
Correct — C. Soil composition affects foundation design and stability for ground-mounted systems, determining what type of foundation is appropriate and what engineering considerations are needed. -
Solar PV Design Exam Prep
What tool is most commonly used to conduct a comprehensive shading analysis of a proposed PV array location?
Correct — B. Solar pathfinders or solar access measurement tools are specifically designed to evaluate shading throughout the year by mapping the sun's path across the sky and identifying obstructions. -
Solar PV Design Exam Prep
When assessing roof load capacity for a PV installation, which of the following represents a dead load?
Correct — A. Dead loads are permanent, constant loads on a structure. The weight of the PV modules and racking system is considered a dead load because it's permanently attached to the roof. -
Solar PV Design Exam Prep
What is the primary concern when assessing the viability of a flat roof membrane for PV installation?
Correct — D. The age, condition, and warranty status of the membrane are critical because installing PV on a roof that will need replacement soon is problematic and could void existing warranties. -
Solar PV Design Exam Prep
Which of the following site hazards should be documented during a site assessment for a ground-mounted PV array?
Correct — C. Underground utilities pose significant safety risks during construction and foundation work for ground-mounted systems. Identifying these hazards before construction begins is essential for safety planning. -
Solar PV Design Exam Prep
When using a solar pathfinder for shading analysis, what time period is most critical to analyze for maximum PV production in the northern hemisphere?
Correct — B. 9:00 AM to 3:00 PM represents the period of highest solar intensity and potential production, making it the most critical period to be shade-free for maximum system performance. -
Solar PV Design Exam Prep
Which tool would be most appropriate for determining the slope of a roof during a site assessment?
Correct — A. An inclinometer or digital level is specifically designed to measure angles and slopes, making it the most appropriate tool for determining roof pitch accurately. -
Solar PV Design Exam Prep
When assessing equipment locations for a residential PV system, which of the following is a primary consideration for inverter placement?
Correct — D. Accessibility for maintenance and service is critical for inverter placement to ensure that the equipment can be easily accessed for repairs and routine maintenance throughout its lifetime. -
Solar PV Design Exam Prep
What information about nearby trees should be documented during a site assessment for long-term shading analysis?
Correct — C. Species, height, and maturity are important because they help predict future shading impacts as trees grow taller and wider, potentially affecting system performance over time.
Solar PV Design Exam Prep sample questions
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Solar PV Design Exam Prep What tool is most commonly used to conduct a comprehensive shading analysis of a proposed PV array location?
A. Tape measure
B. Solar pathfinder or solar access measurement tool ✓
C. pH meter
D. Moisture sensor
Correct — B. Solar pathfinders or solar access measurement tools are specifically designed to evaluate shading throughout the year by mapping the sun's path across the sky and identifying obstructions.
Solar PV Design Exam Prep When assessing roof load capacity for a PV installation, which of the following represents a dead load?
A. Weight of PV modules and racking system ✓
B. Wind uplift forces
C. Snow accumulation
D. Maintenance personnel weight
Correct — A. Dead loads are permanent, constant loads on a structure. The weight of the PV modules and racking system is considered a dead load because it's permanently attached to the roof.
Solar PV Design Exam Prep What is the primary concern when assessing the viability of a flat roof membrane for PV installation?
A. Original installation contractor information
B. Color of the membrane material
C. Manufacturer of the roofing material
D. Age, condition, and warranty status of the membrane ✓
Correct — D. The age, condition, and warranty status of the membrane are critical because installing PV on a roof that will need replacement soon is problematic and could void existing warranties.
Solar PV Design Exam Prep Which of the following site hazards should be documented during a site assessment for a ground-mounted PV array?
A. Local wildlife species
B. Bird migration patterns
C. Underground utilities and service lines ✓
D. Historical precipitation data
Correct — C. Underground utilities pose significant safety risks during construction and foundation work for ground-mounted systems. Identifying these hazards before construction begins is essential for safety planning.
Solar PV Design Exam Prep When using a solar pathfinder for shading analysis, what time period is most critical to analyze for maximum PV production in the northern hemisphere?
A. 6:00 AM to 8:00 AM
B. 9:00 AM to 3:00 PM ✓
C. 4:00 PM to 6:00 PM
D. 11:00 PM to 5:00 AM
Correct — B. 9:00 AM to 3:00 PM represents the period of highest solar intensity and potential production, making it the most critical period to be shade-free for maximum system performance.
Solar PV Design Exam Prep Which tool would be most appropriate for determining the slope of a roof during a site assessment?
A. Inclinometer or digital level ✓
B. Tape measure
C. Compass
D. Barometer
Correct — A. An inclinometer or digital level is specifically designed to measure angles and slopes, making it the most appropriate tool for determining roof pitch accurately.
Solar PV Design Exam Prep When assessing equipment locations for a residential PV system, which of the following is a primary consideration for inverter placement?
A. Alignment with decorative landscaping
B. Color coordination with building exterior
C. Proximity to household pets
D. Accessibility for maintenance and service ✓
Correct — D. Accessibility for maintenance and service is critical for inverter placement to ensure that the equipment can be easily accessed for repairs and routine maintenance throughout its lifetime.
Solar PV Design Exam Prep What information about nearby trees should be documented during a site assessment for long-term shading analysis?
A. Root system depth
B. Leaf color and seasonal changes
C. Species, height, and maturity level ✓
D. Historical pruning schedule
Correct — C. Species, height, and maturity are important because they help predict future shading impacts as trees grow taller and wider, potentially affecting system performance over time.
About the Solar PV Design Exam Prep test
The Solar PV Design Exam Prep measures the Trades knowledge you'll actually rely on — tested the way the real exam asks it, not with trick questions. Practising real Solar PV Design Exam Prep-style questions, then sitting a full timed mock exam, is the fastest way to walk in knowing you'll pass.
You will be tested on
- Core formulas and field calculations
- Codes, standards and compliance
- Safe work practices and PPE
- Tools, materials and on-site reference
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Topics in this question bank
Core formulas and field calculations
Codes, standards and compliance
Safe work practices and PPE
Tools, materials and on-site reference
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