In cold, damp weather, the buildup of ice on airplane wings can pose significant aerodynamic problems. Which of the following effects would you expect?
A.As ice builds up on the top of the wing, drag increases.
B.As ice builds up on the top of the wing, lift increases.
C.As ice builds up on bottom of the wing, lift decreases.
D.All of the above
第1题:
()after introduction, you can ask about their journey.
A. To break the ice
B. Broken the ice
C. Breaking the ice
第2题:
You are on an ice-reinforced vessel about to enter packice.You should ______.
A.enter the pack on the windward side where there is a well defined ice edge
B.trim to an even keel or slightly down by the bow to take maximum benefit of the ice reinforcement
C.take maximum advantage of coastal leads caused by offshore winds
D.look for areas of rotten ice and enter perpendicular to the ice edge
第3题:
Churchill Ice Cream has to date made two unsuccessful attempts to become an international company.
(d) What reasons would you suggest to explain this failure of Churchill Ice Cream to become an international
company? (5 marks)
第4题:
第5题:
第6题:
Which type of ice is a hazard to navigation ________.
A.Ice rind
B.Pancake ice
C.Frazil ice
D.Growlers
第7题:
You are in a tropical port.The refrigeration machinery on a container loaded with air-cooled fruit fails.It cannot be repaired for 18 to 24 hours.Which step should you take to reduce the temperature rise and spoilage of the fruit ________.
A.Discharge a cylinder of nitrogen into the container
B.Shade the container and periodically hose it down
C.Seal any ventilation openings and add dry ice
D.Spread ice over the top layer and in any voids within the container
第8题:
--- _____________?
--- Ice cream for me please.
A. Are you ready to order
B. Would you like to go to the cinema tonight
C. What is this
第9题:
第10题: