Quiz WS PPN Day-1

What is the primary function of a hydrogen refueling station?

• 1. To store hydrogen

• To refuel hydrogen-powered vehicles

• To produce hydrogen

• To convert hydrogen into electricity

1. Which of the following is a key safety measure at hydrogen refueling stations?

• Regular maintenance checks

• Use of flame detectors

• Installation of hydrogen sensors

• All of the above

What makes hydrogen difficult to store?

• Low volumetric density

• High volumetric density

• Poor hydrogen stability

• High storage costs

1. What is the typical pressure range for hydrogen storage tanks at refueling stations?

• 100-200 bar

• 200-350 bar

• 350-700 bar

• 700-1000 bar

1. Which technology is commonly used to produce hydrogen for refueling stations?

• Electrolysis

• Nuclear

• Biomass gasification

• 1. All of the above

1. What is one of the main environmental benefits of using hydrogen refueling stations for vehicles?

• Reduced greenhouse gas emissions

• Increased fuel efficiency

• Lower fuel costs

• Enhanced vehicle performance

1. What is hydrogen embrittlement?

• 1. A process where hydrogen strengthens metals

• A phenomenon where hydrogen causes metals to become brittle and fracture

• A method of hydrogen storage

• A technique for hydrogen production

1. Which materials are most susceptible to hydrogen embrittlement?

• Plastics

• Ceramics

• 1. High-strength steels and alloys

• Wood

1. Which of the following is a method to prevent hydrogen embrittlement?

• A. Increasing the temperature of the metal

• 1. B. Applying a protective coating to the metal

• C. Reducing the metal’s exposure to hydrogen

• 1. Both B and C

1. What is the primary effect of hydrogen embrittlement on the mechanical properties of metals?

• Increased ductility

• Enhanced toughness

• Reduced tensile strength and ductility

• Improved corrosion resistance