Question bank
PG Diploma in Solar Semester Two Paper 3 exam SECTION B Short Answer (2 Marks Each) Q1. Define solar project management.Ans: It is the process of planning, executing, and completing a solar project safely, within budget, on time, and ensuring long-term performance. Q2. Name three types of solar projects.Ans: Rooftop, ground-mounted, floating solar. Q3. What […]
PG Diploma in Solar Semester Two Paper 3 exam SECTION A MCQs (1–70) 1. The purlin in a mounting structure is also called:a) Junction boxb) Horizontal railc) Earth stripd) Fuse holderAnswer: b 2. One important internal element of a junction box is:a) Fan bladeb) Diodec) Chimneyd) Meter glassAnswer: b 3. One maintenance point in a […]
PG Diploma Solar Semester Two Paper 2 Exam Section C Case-Based / Applied Questions (01–20) 01. A rooftop project is planned on a building with partial shading and uncertain roof strength. As a solar engineer, what initial checks should you perform before installation?Model Answer: The engineer should conduct site assessment, structural integrity check, shading analysis, […]
PG Diploma Solar Semester Two Paper 2 Exam Section B Numerical Problems (01–30) 01. A PV module has short circuit current Isc=9.03I_{sc} = 9.03Isc=9.03 A. Calculate the maximum current for cable sizing for a single string array.Model Answer:Formula: Imax=Isc×1.25I_{max} = I_{sc} times 1.25Imax=Isc×1.25Imax=9.03×1.25=11.2875I_{max} = 9.03 times 1.25 = 11.2875Imax=9.03×1.25=11.2875 AMaximum current = 11.29 A approximately. […]
PG Diploma Solar Semester Two Paper 2 Exam Section A Long Answer / Applied Questions (01–30) 1. Explain how BOS selection affects the safety, efficiency, and reliability of a solar PV plant.Model Answer: BOS selection determines how safely and efficiently the solar plant operates because these components carry, protect, convert, and monitor power. Correct selection […]
PG Diploma Solar Semester Two Paper 1 Exam Section C Long Answer Questions (221–250) 221. Explain in detail the major BOS components of a solar PV system and their functions.Model Answer: BOS includes all equipment except solar modules. The mounting structure supports modules and provides proper orientation. The junction box allows module-level electrical connection and […]
PG Diploma Solar Semester Two Paper 1 Exam Section B Short Answer Questions (181–220) 181. Explain BOS in a solar PV system.Model Answer: Balance of System includes all parts of the solar PV system except the modules themselves. It includes mounting structures, junction boxes, combiner boxes, inverters, electrical protection devices, grounding, lightning protection, and monitoring […]
PG Diploma in Solar Semester Two Paper 1 exam SECTION A MCQs (1–40) 1. The components other than solar modules in a PV system are commonly called:a) Grid packb) Balance of Systemc) Thermal unitd) Solar coreAnswer: b 2. Which of the following is a BOS component?a) Wind bladeb) Steam turbinec) AC combiner boxd) BoilerAnswer: c […]
SECTION C – Descriptive / Long Answer / Numerical Questions (25 Questions) 1. Explain the need for renewable energy. Model Answer: Renewable energy is needed because conventional sources such as coal, diesel, and gas are limited and polluting. Renewable sources like solar and wind reduce greenhouse gas emissions, improve energy security, support sustainable development, and […]
SECTION B – Short Answer Questions (35 Questions) 1. Define energy. Model Answer: Energy is the capacity to do work. 2. State the first law of thermodynamics. Model Answer: Energy can neither be created nor destroyed; it can only be converted from one form to another. 3. What are renewable energy sources? Give two examples. […]