Question

9.Rail guns are not used for astronauts because A. they are inefficient B. they would crush the astronaut C. such high velocities aren't needed D. they are limited to the speed of sound 10.A large power plant produces about A. one kilowatt B. one megawatt C. one gigawatt D. one quad 11.DNA "fingerprinting" is done with A. PCR B. K-40 C. C-14 D. neutron activation 12. If 2500 people are each exposed to 10 rems whole body dose. The number of extra cancer this will induce is closest to: A. 0 B. 1 C.10 D. 2500 13.Battery energy, compared to an equal weight of gasoline, is about A. 2.4 times greater B. 100 times less C. a million times less D. a different kind of energy, so it can't be compared 14.A refrigerator operating in a room A. warms the room B, cools the room C. has no effect on the room D. removes water vapor from the room 15.The number of cancers from the Hiroshima blast is small, because: A. the bomb was uranium, not plutonium B. there has been insufficient time for cancer to develop C. the bomb emitted primarily gamma rays, and they don't cause cancer D. most people exposed to high levels of radioactivity were killed by the blast 16.Saddam Hussein built this to helpmake an atomic bomb: A. nothing. He never had a program to make bombs B. diffusion plant C. centrifuge D. Calutron

Answer 1

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