1. 1 Pascal = 1 _______ m-2   Dyne   Newton   Erg   Joule   Hint Half-n-half Clue   2. To measure the atmospheric pressure, the space (labeled A) above the mercury level in a barometer tube is   filled with nitrogen   essentially vacuum   filled with air   filled with water   Half-n-half Clue   3. 4 bars = _______ millibars   40   0.004   0.4   4000   Half-n-half Clue   4. 2 bars = _______ Pascals   20000   2e-05   0.0002   200000   Half-n-half Clue   5. The SI unit of pressure is   Newton   Pascal   Joule   Watt   Half-n-half Clue   6. 30 litres of a gas at a pressure of 3 bar are compressed to 6 litres without any change in the temperature. The final pressure of the gas is about   0.60 bar   15.0  bar   30  bar   1.20  bar   Half-n-half Clue   7. If the average atmospheric pressure at sea level can support 10.34 m of vertical length of a water column, then its magnitude is about _______ Pa. Assume density of water = 1 g cm−3 and gravitational acceleration = 9.8 m s−2.   10000   100000   100   1000   Half-n-half Clue