IVC - Energy Storage System Final Exam

Which one is not true about hydrogen

• Can be made cleanly using water
• Can be stored as a liquid or gas
• Lower energy density than batteries when compressed
• Can be stored, transported & exported

Which industry is the largest consumer of hydrogen

• Petroleum refining
• Methanol production
• Ammonia Production
• Transportation

Most of hydrogen globally is produced by this method

• Coal gasification
• Steam reforming of natural gas
• Partial Oxidation of Hydrocarbon
• Electrolysis

What is the most efficient way of storing hydrogen volumewise?

• in a tank at atmospheric pressure
• in form of Ammonia
• in a pressurized vessel at 700 bar
• Liquified

Metal hydride hydrogen storage usually operate at which pressure?

• 3-30 atm
• 200-700 atm
• 1 bar
• 1000 bar

Which one of the following is not considered as porous material for hydrogen storage

• Carbon Nanotubes
• Metal Organic Frameworks
• Chemical hydrides

What is a drawback of carbon nanotubes for hydrogen storage application?

• high electrical conductivity
• remarkable strenght
• high thermal conductivity
• low conductivity

Which material characteristic that is usually not required for hydrogen storage

• high hydrogen capacity per unit mass
• very high heat disformation
• high stability against oxygen and moisture
• fast kinetics

Interaction between adsorbent and adorbate is called …

• chemisorption
• biosorption
• physisorption
• thermosorption

Which one of the following is not a shape of adsorbent

• cylindrical pellets
• beads
• flakes
• concentrated fluids