Which of the following was NOT a feature created in North America 10,000 years ago when the glaciers retreated?
A. The Great Lakes
B. The Great Salt Lake
C. A mineral-rich desert
D. Thousands of shallow depressions which formed lakes
E. The Grand Canyon
Answer: E
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Technician A says that valve stem height should be checked and the top of the valve ground, if necessary. Technician B says that after a thorough cleaning, the cylinder head should be assembled using new valve stem seals. Who is right?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
What is the purpose of purging with nitrogen while brazing?
A) To prevent oxide formation inside the pipes B) To blow the oxides off the walls before it has a chance to firmly adhere C) To help the flame burn a little hotter D) To check for leaks at the same time you are brazing
Technician A says that converter speed ratio is a measure of coupling efficiency. Technician B says that converter speed ratio is calculated by dividing the speed of the turbine rotation by the speed of the pump rotation. Which technician is correct?
A) Technician A B) Technician B C) Both technicians A and B D) Neither technician A nor B
Explain how a fuel cell can use a hydrocarbon such as methanol or natural gas for its fuel
What will be an ideal response?