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Solar PV: NABCEP Exam solved MCQs with theory explained - I

Name: Solar PV: NABCEP Exam solved MCQs with theory explained - I
Rating: 4.6 (10 reviews)

Guaranteed learning and preparation for Certifications like NABCEP Associate with detailed theory explained

Highest Rated

Created byInnovasys Engineering

Last updated 5/2026

English

What you'll learn

Solve more than 80 No. of questions involving concepts, design, calculations & safety aspects related to PV Modules/Systems, Batteries & Inverters
Prepare in Hours from Zero to Perfection and to prepare for the Industry Standard Certification like NABCEP Associate exam confidently in couple of days
Learn and Solve Question while understanding the theory behind each question
Get your grip and gain confidence in dealing with practical exam questions in regard to Solar PV System
Learn Solar PV theories through real exam questions

Course content

2 sections • 86 lectures • 6h 3m total length

Introduction0:50
Bonus Lecture: Basic Concepts of Solar PV Systems in One Hour0:07

Color of Earthing Cable1:11
Color Scheme of the 120/220 AC Split2:51
Identify the color scheme for 120/240 ac split high-leg delta. Assign orange to the high leg and blue and black to the remaining phases for residential wiring.
Calculate Voltage drop in a Cable3:10
Learn to calculate voltage drop using v = i r for a dc circuit, doubling cable resistance for two wires and scaling to 200 ft for a ten ampere load.
Calculate System Power given Solar Irradiance and Module Power2:55
Understanding Multimode Inverter6:45
Define and analyze the multimode inverter as a hybrid of interactive and standalone systems, with DC and AC coupled configurations, capable of operating standalone or connected to the grid.
Understanding Sun Path Chart7:09
Which type of System to install at home2:12
Select a multi-model system for home solar, which combines a battery storage with grid back-up; unlike interactive or hybrid setups, it ensures power when sunlight is unavailable.
Which Grounding System is used these days5:13
Type of Mounting Method required for roof top5:57
Difference between Inverter, Charge Controller, Transformer and Super Capacitor12:07
What is PV Cable5:34
Understanding OSHA1:15
Identify general electrical safety practices aligned with OSHA standards, focusing on key OSHA subparts and the ten-hour OSHA course to prepare for the NABCEP exam.
Understanding Transformers7:05
Calculating least No of PV Modules for a System6:37
Understanding Units of Solar Irradiance3:23
Where is Grounding Point in support structure of PV array4:35
Why Bypass Diodes are used7:34
Different areas in IV Curve of a PV Module6:04
Understanding change in PV Voltage due to temperature3:39
Learn how temperature influences the open-circuit voltage of a PV module and how temperature coefficients modify the maximum system voltage. Use temperature, not resistance or power, for calculations.
Fuse rating of a PV Module5:52
Find the maximum series fuse rating on the back label of the PV module using the short-circuit current times 1.56 and rounding to the nearest standard, typically 15 A.
Difference between equipment of transmission, distribution and service equipment3:21
Calculating mppt voltage given 4 No. of source circuits4:22
Understand to Calculate Electrical Power6:48
Understanding Voltage drop phenomenon in a cable2:35
Understanding Sealed Batteries5:01
Ground Fault detection by Inverter6:47
In solar PV systems, inverters detect only the DC leakage current. They do not monitor AC or earthing leakage; modern inverters include ground fault detection that trips on DC leakage.
Calculating System Size given two No of Source circuits2:23
Who approves a PV System2:22
Understanding and Calculating Cell Voltage of a PV Module3:15
Understanding various tools for troubleshooting5:21
Understanding effect due to undersized PV system10:24
Understanding Mounting types for PV Modules2:41
The blast mount system keeps PV modules fixed for high wind areas, while rail mounts fix orientation on rooftops and pole mounts offer seasonal tilting to maximize power.
Recommended slop of the ladder as per OSHA3:53
OSHA sets a ladder slope no more than 1 to 4 and requires the top extend at least 3 feet above the surface; calculate ladder length with Pythagoras.
Safety concerns while working on an electrical system3:48
Location where PV disconnect not allowed2:19
Understanding most possible hazard while working on PV Systems4:56
electric shock is the most likely hazard when working with pv systems, as arc flash is mitigated by mc4 connectors; follow safety precautions to prevent falls.
Understanding how current ca be effected in a PV Module6:12
Calculating Electrical Energy Units (KWh)3:59
Calculating Resistance in a Circuit1:13
What is STC Standard4:02
What is Direct PV application4:28
Understanding specifications of a Charge Controller4:30
What is Fall Protection as per OSHA1:21
Requirements of Safety Net as per OSHA1:58
Explain OSHA safety net requirements, including keeping nets near the working surface and not more than 30 ft below, plus fall protection options like rails and safety belts.
Requirements of Stairways as per OSHA2:12
Category of High Voltage Safety Hats1:34
How much current passing through human body is dangerous2:09
Safest way to find out the PV Output Current5:05
Choose a clamp meter to safely measure PV output current without disconnecting wiring, as it focuses on current measurement compared to digital meters, current leakage meters, and irradiance meters.
Understanding MPPT9:18
Maximum power point tracking, or mppt, keeps the solar pv module operating at the maximum power point despite load changes by converting voltage with a dc-dc converter.
What insulation of a conductor represents3:37
This lecture explains that the conductor's insulation temperature rating determines how much current it can safely carry, while fire, smoke, and damage resistance come from insulation material itself.
Calculating Annual Energy Yield of a System given specs12:18
Safe way of handling PV modules on a roof6:33
Safe way to test DC voltage of a PV Disconnect3:31
Understanding effect of PV Modules connected in parallel2:30
Troubleshooting Off-Grid PV system often shuts down during winter5:02
Where Bypass Diodes are located1:23
Who make requirements for electrical safety for Employees2:19
Understanding Cable sizing2:04
Understanding core component of a PV Module2:21
Understanding Magnetic Declination2:51
Who decides which standards to apply3:01
Calculating Efficiency of the PV Module given rated power and size3:36
Calculating Voltage drop between Battery and Charge Controller4:43
Understanding Equinox4:36
What happens if output terminals of a PV Module are shorted3:58
Understand why shorting a PV module's output terminals does not affect the module, as shown by the I-V curve and short-circuit current.
What to do if stand-alone PV System designed hardly fulfil the Load requirements5:53
Finding tilt angle of the PV Module for best summer performance3:41
Suitable Tools to check and troubleshoot11:28
What are requirements to replace faulty Inverter5:46
Understanding Equalizing in Batteries4:38
Requirement of heavy equipment Operator as per OSHA1:48
Suitable instrument to measure the insulation resistance of a Cable3:16
Learn how to measure cable insulation resistance using a megohm or insulation meter with high-voltage dc, detecting leakage current to obtain a megaohm reading.
What is Residential Voltage scheme in US2:12
Explain how North American residential voltage uses a split-phase 120/240-volt system with two out-of-phase 120-volt lines and a center-tapped neutral, enabling 120-volt lighting and 240-volt high-demand circuits.
Understanding the importance of ASHRAE in design of Solar PV Systems3:56
Understanding requirements of MC4 connectors2:59
Understanding PV Wire or cable for a PV Module2:55
Finding suitbale location of an Inverter for a Farm land given site data4:42
Installing the inverter at the farmland minimizes cable costs by keeping the output at 220 v ac, reducing current and cable size according to p = v i.
Understanding Interactive PV system3:47
Understand why a grid-interactive PV system with no batteries must shut down when the grid is off, and why grounding and older inverter technology do not override this safety requirement.
Selecting econimical PV Module for a site given cost and others9:58
Prohibited area of installing Lead Acid Battery2:25
Understanding Electrical Voltage2:28
Voltage is the difference of potential between two points, measured with respect to a reference such as neutral; it differs from current, the flow of charge.
Understanding Hybrid System2:51
Requirements of terminals of PV Module2:38
Understanding Secondary Battery1:04

Requirements

Basic Knowledeg of Solar PV Systems
Knowledge of Basic Understanding of Electricity and Equations shall be advantage

Description

* See other Courses offered by the same Instructor at affordable Prices

* This Course is systematically and ingeniously designed by NABCEP PVIP Certified Processional to help you quickly learn about of Solar Photovoltaic System.

1) This Course shall provide a kick-off platform for you to learn and prepare for the Industry Certifications like NABCEP.

2) This Course will cover various topics related to Solar PV / Systems, Solar Radiation / Energy, PV Module, Inverters, Batteries, DC/AC Circuits and others. Efforts have been made that all such topics and questions are covered and comprehensive learning takes pace in couple of hours.

3) This Course comes with a nominal low price, compared to similar courses available in the market, as promotional collateral from us. Quality of the Course is promised at par with other commercially available Courses worth thousand of US$. You definitely going to Save Hundreds of Bucks.

Course Content:

Color of Earthing Cable

Color Scheme of the 120/220 AC Split

Calculate Voltage in a Cable

Calculate System Power given Solar Irradiance and Module Power

Understanding Multimode Inverter

Understanding Sun Path Chart

Which type of System to install at home

Which Grounding System is used these days

Type of Mounting Method required for roof top

Difference between Inverter, Charge Controller, Transformer and Super Capacitor

What is PV Cable

Understanding OSHA

Understanding Transformers

Calculating least No of PV Modules for a System

Understanding Units of Solar Irradiance

Where is Grounding Point in support structure of PV array

Why Bypass Diodes are used

Different areas in IV Curve of a PV Module

Understanding change in PV Voltage due to temperature

Fuse rating of a PV Module

Difference between equipment of transmission, distribution and service equipment

Calculating mppt voltage given 4 No. of source circuits

Understand to Calculate Electrical Power

Understanding Voltage drop phenomenon in a cable

Understanding Sealed Batteries

Ground Fault detection by Inverter

Calculating System Size given two No of Source circuits

Who approves a PV System

Understanding and Calculating Cell Voltage of a PV Module

Understanding various tools for troubleshooting

Understanding effect due to undersized PV system

Understanding Mounting types for PV Modules

Recommended slop of the ladder as per OSHA

Safety concerns while working on an electrical system

Location where PV disconnect not allowed

Understanding most possible hazard while working on PV Systems

Understanding how current ca be effected in a PV Module

Calculating Electrical Energy Units (KWh)

Calculating Resistance in a Circuit

What is STC Standard

What is Direct PV application

Understanding specifications of a Charge Controller

What is Fall Protection as per OSHA

Requirements of Safety Net as per OSHA

Requirements of Stairways as per OSHA

Category of High Voltage Safety Hats

How much current passing through human body is dangerous

Safest way to find out the PV Output Current

Understanding MPPT

What insulation of a conductor represents

Calculating Annual Energy Yield of a System given specs

Safe way of handling PV modules on a roof

Safe way to test DC voltage of a PV Disconnect

Understanding effect of PV Modules connected in parallel

Troubleshooting Off-Grid PV system often shuts down during winter

Where Bypass Diodes are located

Who make requirements for electrical safety for Employees

Understanding Cable sizing

Understanding core component of a PV Module

Understanding Magnetic Declination

Who decides which standards to apply

Calculating Efficiency of the PV Module given rated power and size

Calculating Voltage drop between Battery and Charge Controller

Understanding Equinox

What happens if output terminals of a PV Module are shorted

What to do if stand-alone PV System designed hardly fulfil the Load requirements

Finding tilt angle of the PV Module for best summer performance

Suitable Tools to check and troubleshoot

What are requirements to replace faulty Inverter

Understanding Equalizing in Batteries

Requirement of heavy equipment Operator as per OSHA

Suitable instrument to measure the insulation resistance of a Cable

What is Residential Voltage scheme in US

Understanding the importance of ASHRAE in design of Solar PV Systems

Understanding requirements of MC4 connectors

Understanding PV Wire or cable for a PV Module

Finding suitable location of an Inverter for a Farm land given site data

Understanding Interactive PV system

Selecting economical PV Module for a site given cost and others

Prohibited area of installing Lead Acid Battery

Understanding Electrical Voltage

Understanding Hybrid System

Requirements of terminals of PV Module

Understanding Secondary Battery

Who this course is for:

Beginners, Engineers, Technicians or others who are interested to learn sound understanding of Solar PV science and technology
Engineers, Technicians or Professionals who are already in this field, and quickly want to prepare for the Industry Standard Certifications

Solar PV: NABCEP Exam solved MCQs with theory explained - I

What you'll learn

Explore related topics

Course content

Introduction2 lectures • 1min

Solved Certification Questions with Theory Explained84 lectures • 6hr 2min

Requirements

Description

Who this course is for: