General Science Test 4

General Science

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1. Why is a metal rim heated before fitting it to the wheel ?


2. Which of the two will be warmer, single thick blanket or two thin blankets (one placed over the other) ?


3. Why water boils below IOOT at higher altitudes ?


4. When salt Is sprinkled on ice, ice does not readily melt. Why ?


5. Why thick glass tumblers crack when very hot liquids are poured in them ?


6. Which of the following statements is true about Cryogenics ?


7. Which formula is used to convert Centigrade into Fahernheit scale ?


8. Why mountains are cooler than plains ?


9. Why does a big fire in the open appear to be fanned by strong winds ?


10. Why water gets cooled in an earthen pitcher ?


Question 1 of 10