NSN Green Skills Quiz: Solar Energy and Electric Vehicles (EVs)

1. Which of the following are considered green skills related to clean energy? *
A) Installing solar PV systemsB) Repairing diesel fuel injection systemsC) EV battery maintenanceD) Energy efficiency auditing

2. Which of the following factors can reduce the performance of a solar rooftop system? *
A) Dust accumulation on panelsB) Partial shading on panelsC) Incorrect tilt angle of panelsD) Proper earthing of the system

3. Which tasks are typically part of preventive maintenance of a solar PV system? *
A) Cleaning solar panelsB) Replacing petrol filtersC) Inspecting earthing and wiringD) Tightening loose electrical connections

4. What is the primary role of an inverter in a solar power system? *
A) Store excess electrical energyB) Increase sunlight intensityC) Control battery temperatureD) Convert DC electricity into AC electricity

5. Which location is MOST suitable for installing solar panels? *
A) Roof that receives maximum sunlight during the dayB) Area with frequent shading from buildingsC) Indoor location without ventilationD) Roof facing away from the sun

6. Which battery type is commonly used in electric vehicles because of its high energy density? *
A) Nickel-iron batteryB) Lead-acid batteryC) Lithium-ion batteryD) Dry cell battery

7. Which tool is commonly used to measure voltage in solar and EV electrical systems? *
A) Torque wrenchB) MultimeterC) AmmeterD) Spanner

8. What is the main function of a charge controller in a solar PV system? *
A) Increase the output power of solar panelsB) Convert AC power into DC powerC) Store electrical energyD) Regulate battery charging and prevent overcharging

9. Which job role focuses specifically on installation and maintenance of rooftop solar systems? *
A) Electrician (General)B) Mechanical FitterC) Solar PV TechnicianD) Diesel Mechanic

10. Can solar panels generate electricity at night without any external light source? *
YesNo

11. Does incorrect tilt angle of solar panels affect overall energy generation? *
YesNo

12. Is it safe to work on a solar PV system without switching off the power supply? *
YesNo

13. Do electric vehicles require regular engine oil changes like petrol vehicles? *
YesNo

14. Can poor earthing increase the risk of electrical faults in solar installations? *
YesNo

15. Is preventive maintenance unnecessary once a solar system is installed? *
YesNo