Installation process of Solar System in TinShed: टिन शेड की छत में सौर प्रणाली की स्थापना प्रक्रिया

A: B addresses the root cause: elevated cell temperature from trapped heat under the tin shed roof. A seems logical but raises DC voltage risk at low temperature later. C gives short-term cooling but introduces thermal shock and electrical safety risk. D alters grid interaction but doesn't change cell temperature, so the derating continues.

A: At 5°C, Voc increases roughly 0.28% per °C below 25°C, so about 5.6% higher than STC. Effective Voc ≈ 52.3 V. Twenty-one modules give ~1098 V, just inside the inverter limit. Twenty looks conservative but leaves capacity unused. Twenty-two and twenty-three feel tempting for fewer strings, yet they breach the DC ceiling in cold mornings.

A: A hits the structural mismatch: clamps aligned wrong relative to purlins dump loads into thin sheet metal. B sounds plausible but bonding length changes are minor here. C distracts with performance, yet tilt isn't dictated by purlin direction. D can happen, but it's secondary compared to immediate structural capacity.

A: B balances corrosion resistance while managing galvanic couples via isolation. A looks economical but zinc loss accelerates near the coast. C ignores galvanic interaction between aluminum and zinc-coated steel. D feels durable, yet stainless on galvanized steel drives zinc corrosion aggressively.

A: A aligns with typical PV practice and module ratings. B is a common fear, but modern modules are designed for this test. C uses a telecom-style threshold that misses marginal faults. D defers a construction defect into operation, when trip events become harder to diagnose.

A: B targets the likely intermittent contact from vibration. A risks thread stripping and frame damage. C treats a mechanical issue as a control problem. D changes the electrical design and can mask the fault while raising current stress.

A: A matches drafting convention where dashed lines mark links or test points. B confuses earthing types without supporting notes. C guesses conductor sizing from a line style, which drawings don't encode. D downplays a mandatory safety connection.

A: Force equals pressure times area, so 1.2 × 2.6 gives 3.12 kN. B drops area units. C mistakes pressure for force. D divides by gravity, mixing mass and force concepts.

A: B manages the worst-case sun angle that actually causes shading. A underestimates morning and winter losses. C is a construction-driven shortcut, not an optical check. D feels intuitive, but summer sun is high and rarely the limiting case.