Visit discovery channel website and look up tunnel videos. Below you will find the titles and the questions that pertain to each video.
SOLVING THE RAIL DIVIDE
WHEN DID THE BERIN STRAIT EXIST?
WHY SHOULD YOU KNOW ITS PLACE IN HISTORY?
WHY WOULD YOU WANT RESOURCES AND FREIGHT TO GO THROUGH?
WHAT DOES NOT MATCH WITH UNITED STATES AND RUSSIA?
HOW WIDE ARE THE TRACKS OF THE UNITED STATES?
4FT 8 ½ INCHES
WHAT DID THEY DO TO SOLVE THE PROBLEM?
AT LEAST HOW LONG WOULD THIS PROJECT TAKE?
TUNNEL BORING MACHINES
WHAT DOES TBM STAND FOR?
WHAT IS THE NAME OF THE TBM?
WHAT MOUNTAINS ARE THEY TRYING TO GO THROUGH?
WHAT COUNTRY AT THE MOUNTAINS IN?
THE EXISTING LINE GOES UP HOW FAR?
HOW MANY TBMS DOES IT TAKE TO BORE THROUGH?
HOW MANY DISCS PRESS AGAINST THE ROCK IN A TBM?
HOW MANY HORSEPOWER DOES IT HAVE?
BUILDING A TRANSCONTINENTAL TUNNEL
THEY ARE TRYING TO BUILD A TUNNEL BETWEEN WHAT TWO COUNTRIES?
WHAT ARE THEY TRYING TO REPLACE WITH THE TUNNEL?
HOW MUCH WOULD THE TUNNEL COST?
OVER HOW MANY MILES IS THE TUNNEL?
HOW COLD CAN IT GET?
UNDER WHAT OCEAN WOULD THIS TUNNEL BE?
THE TUNNEL SHOULD ALSO BE ABLE TO WITHSTAND WHAT?
TUNNEL FIRES
A TUNNEL FIRE IS MORE DANGEROUS THAN WHAT?
TUNNEL FIRE CONSUMES WHAT REALLY RAPIDLY?
THE INTERIOR TEMPERATURE RISES _______________________
WHAT TEMPERATURE IS A FIRE USUALLY?
HOT ENOUGH TO MELT __________________________
HIGHEST PRIORITY IS TO WHAT?
WHAT IS THE FEIRCE PHENOMENOM THAT CAN HAPPEN DURING A TUNNEL FIRE?
WHAT IS EXPLOSIVE SPAWLING?