General Knowledge : General Science QUESTIONS AND ANSWERS :: part2 : 26 to 30
Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :
26.Which of the following is used as a moderator in nuclear reactor ? |
| Ordinary water |
| Radium |
| Thorium |
| Graphite |
27.Rayon is chemically |
| glucose |
| amylose |
| cellulose |
| pectin |
28.Who suggested that most of the mass of the atom is located in the nucleus ? |
| Thompson |
| Bohr |
| Rutherford |
| None of these |
29.Enriched uranium used in a nuclear reactor is |
| uranium freed of all impurities |
| uranium treated with radiation |
| uranium alloyed with aluminium |
| uranium with a high percentage of a particular isotope |
30.A moderator is used in nuclear reactors in order to |
| increase the number of neutrons |
| decrease the number of neutrons |
| slow down the speed of neutrons |
| accelerate the neutrons |
More General Science QUESTIONS AND ANSWERS available in next pages
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