# Expert Answers

1. A Dutch person travels, on average, 35 km/day divided over traveling by

Car (75%)

Train (8,8%)

Bus (4,9%)

We neglect the other ways of transportation, like transport by bicycle and walking.

On average, a car uses 80 kWh/100 km. Round your answer to the nearest whole number.

How much energy in kWh is required for car transportation per day per person?

On average, a train uses 10 kWh/100 km. Give your answer with two decimals.

How much energy in kWh is required for train transportation per day per person?

On average, a bus uses 32 kWh/100 km. Give your answer with two decimals.

How much energy in kWh is required for bus transportation per day per person?

If all of the containers on the cargo ship are packed with kiwis, calculate the amount of energy needed for the transport of fruit from Chile to Rotterdam, in kWh per kilogram of kiwi. Give your answer with one decimal point.

If we were to calculate the energy requirement per kiwi fruit transported, what is the energy consumption inkJ/kiwi? Round your answer to the nearest whole number.

Steel production is an energy intensive industry. Shandong Iron and Steel Group, from China, is the 12th producer of steel in the world.

In 2014 they produced 23.3 million tonnes of steel. Most of the energy required for the production of steel is used in the blast furnace.

In the blast furnace, steel has to heat up to 1000∘C. If the initial temperature is 25∘C, and the heating capacity of steel is approximately

How much energy, in petajoules (PJ), is needed as thermal energy, for the total production of Shandong Iron and Steel Group from 2014. Round the answer to one decimal.

Car (75%)

Train (8,8%)

Bus (4,9%)

We neglect the other ways of transportation, like transport by bicycle and walking.

On average, a car uses 80 kWh/100 km. Round your answer to the nearest whole number.

How much energy in kWh is required for car transportation per day per person?

On average, a train uses 10 kWh/100 km. Give your answer with two decimals.

How much energy in kWh is required for train transportation per day per person?

On average, a bus uses 32 kWh/100 km. Give your answer with two decimals.

How much energy in kWh is required for bus transportation per day per person?

If all of the containers on the cargo ship are packed with kiwis, calculate the amount of energy needed for the transport of fruit from Chile to Rotterdam, in kWh per kilogram of kiwi. Give your answer with one decimal point.

If we were to calculate the energy requirement per kiwi fruit transported, what is the energy consumption inkJ/kiwi? Round your answer to the nearest whole number.

Steel production is an energy intensive industry. Shandong Iron and Steel Group, from China, is the 12th producer of steel in the world.

In 2014 they produced 23.3 million tonnes of steel. Most of the energy required for the production of steel is used in the blast furnace.

In the blast furnace, steel has to heat up to 1000∘C. If the initial temperature is 25∘C, and the heating capacity of steel is approximately

How much energy, in petajoules (PJ), is needed as thermal energy, for the total production of Shandong Iron and Steel Group from 2014. Round the answer to one decimal.

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