1. Liquids exhibit only _______ expansion.   cubical   superficial   linear   Hint Half-n-half Clue   2. If the temperature of a body is _______ that of its surroundings, it will lose heat to its surroundings.   lower than   equal to   higher than   Half-n-half Clue   3. Which is the 'odd one out'?   Erg   Calorie   Watt   Joule   Half-n-half Clue   4. Which loses the most heat in cooling to 10oC ?   a glass filled with boiling water   a kettle filled with water at 60oC   a swimming pool filled with water at 30oC   Half-n-half Clue   5. 1 Joule = _______ ergs   105   107   4.184   4.214   Half-n-half Clue   6. The calorific value of a fuel is the quantity of heat produced when a unit _______ of it is burnt.   mass   volume   weight   Half-n-half Clue   7. The increase in the area of a solid on heating is called   linear expansion   cubical expansion   superficial expansion   Half-n-half Clue