Energy and Electricity - Introduction to Carbon Capture and Sequestration - page 41

Section 6
Review

1.1. Reading self-test

1. At 33ºC and 80 bar carbon dioxide is
a. Liquid
b. Solid
c. Gas
d. Supercritical

2. What is the lowest energy state of carbon?
a. Carbon
b. Methane
c. Coal
d. CO 2
e. Carbonate

3. 1 Mtoe is equivalent to
a. 3.968

10 13 BTU ×

10 16 J
c. 11.63 billion kW h
d. All of the above
e. None of the above

b. 4.187 ×

4. What is not a proposed wedge?
a. Replace 1,400 large coal-fired plants with gas-fired plants
b. Install CCS at 80 large coal-fired power plants
c. Increase solar power 700-fold to displace coal
d. Cut electricity use in homes, offices and stores by 25%

5. How many people emit less than 1 t CO 2 /year?
a. 1.7 billion
b. 2.7 billion
c. 3.7 billion
d. 4.7 billion