How much hydrogen would be needed

Assignment Help Electrical Engineering

Reference no: EM13218361

An ideal PEM cell needs 30.35 g H2 to produce one kWh of electrical output. Suppose an electric car can travel 10 miles per kWh. How much hydrogen would be needed to give the car a range of 300 miles if the source of electricity is an on-board fuel cell with an efficiency that is 50% of the ideal?

Reference no: EM13218361

Questions Cloud

What is value that should be used as p for owned vehicle : A truck was purchased 3 years ago for $45,000 and can be sold today for $24,000. The operating costs are $9,000 per year, and it is expected to last 4 more years with a $5,000 salvage value. A new truck, which will perform that same service.

Determine the speed of the wave travelling on the line : An overhead line with an inductance of 1.33 mH/km and capacitance of 8.34 nF/km is connected to an underground cable with an inductance of 0.266 mH/km and capacitance of 166 nF/km.

Describe stock solutions of glucose : Given stock solutions of glucose (1M), aparagine (100 mM) and NaH2PO4 (50 mM), how much of each solution do you need to prepare 500 mL of a reagent that contains 0.05 M glucose

Explain how many megajoules of energy in the form of heat : how many megajoules of energy in the form of heat can be produced per year (365 days) by the heater

How much hydrogen would be needed : How much hydrogen would be needed to give the car a range of 300 miles if the source of electricity is an on-board fuel cell with an efficiency that is 50% of the ideal?

Calculate the average torque and maximum torque : When the two windings are connected to a a.c supply of 50hz, the field current is 0.1A, the armature current is 100A and the phase difference between them is 60 degree. calculate the average torque and maximum torque.

How to determine present worth for benefit and cost : The benefits associated with a nuclear power plant cooling water filtration project located on the Ohio River are $10,000 per year forever starting in year 1. The costs are $50,000 in year 0 and $50,000 in year 2. What is the B/C ratio at i=10% pe..

Compute the pressure in the mindanao trench : Calculate the pressure in the mindanao trench. depth = 11.5 km and the average mass density of sea water

What is the actual value of the irr on the incremental cost : a) Construct a choice table for interest rates from 0% to 100%. b) Which roof should you choose if your MARR is 12% what is the actual value of the IRR on the incremental cost?

User Account

All Pages