General Knowledge : General Science QUESTIONS AND ANSWERS :: part23 : 56 to 60
Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :
56.Which of the following statements is/are ture ? 1. Sound is a form of energy 2. Sound stops when vibration of an object stops3. Sound is a transverse wave4. sound travels better in a heavy gas than in a light gas |
| 1 and 2 |
| 1, 2 and 3 |
| 1, 2 and 4 |
| 1 and 3 |
57.Gypsum is added to cement clinker to : |
| increase the tensile strength of cement |
| blind the particles of calcium silicate |
| decrease the rate of setting of cement |
| facilitate the formation of colloidal gel |
58.Rise of mercury in a barometer indicates : |
| fair weather |
| storm |
| rain |
| both (b) and (c) |
59.Neutron was discovered by : |
| Moseley |
| Rutherford |
| Thomson |
| Chadwick |
60.The pressure exerted by a real gas is less than the pressure exerted by an ideal gas because the : |
| molecules of a real gas possess more kinetic energy |
| molecules of a real gas attract each other |
| molecules of a real gas have finite sizes |
| real gas is more viscous than an ideal gas |
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