5-11. What  Is  the  Celsius  scale equivalent  of  263°K? 1. 90°C 2. 3. O°c 4. -10°C 10°C 5-12. What  is  the  Fahrenheit  scale equivalent  of  263°K? 1. -l8°F 2. -14°F 3. 14°F 4. 18°F Learning  Objective: Recognize the  pressure  characteristics  of gases and liquids, including how pressure  is  caused  by  the  weight of  the  atmosphere,  and  identify how pressures are measured. 5-13. Gases  exert  equal  pressure  on  all surface  areas  of  their containers. 1. True 2. False 5-14. When a reading is taken of the pressure in an automobile tire, what  does  the  gauge  reading represent? 1. Local  atmospheric  pressure plus  the  absolute  pressure 2. Absolute  pressure  minus  the local  atmospheric  pressure 3. Local  atmospheric  pressure minus  the  absolute  pressure 4. Absolute  pressure 5-15. What  is  the  absolute  pressure (psia) in a cylinder that has a gauge reading of 1990 psig? 1. 1843 2. 1975.3 3. 2004.7 4. 2137 5-16. What  is  the  gauge  pressure  (psig) of a container that has an internal  pressure  of  113  psia? 1. 98.3 2. 99.7 3. 125.3 4. 127.7 5-17 Whenever you apply the gas laws, you must use absolute pressure. 1. True 2. False 5-18 5-19. 5-20. 5-21. Learning  Objective: Identify various  theories,  laws,  and properties  of  gases,  correlate these  with  applicable  formulas, and  solve  related  problems. When  you  observe  that  the pressure of gas in a sealed container  has  increased,  you  can assume that 1. heat has been absorbed by the gas 2. heat  has  been  removed  from the  gas 3. the kinetic energy of the gas has  decreased 4. molecules  of  the  gas  gained energy  from  each  other  while colliding Four cubic feet of nitrogen are under a pressure of 50 psig. If the nitrogen is compressed to 2 cubic  feet,   what is the new gauge pressure? 1. 104 psig 2. 114.7 psig 3. 124 psig 4. 134 psig A cylinder of gas at 75°F has a pressure of 900 psig, To what maximum  temperature  may  it  be heated  without  exceeding  1000 psig? 1. 211.9°F 2. 174.9°F 3. 158.4°F 4. 133.4°F The general gas equation used in the study of gases is a combination of the gas laws of 1. Charles  and  Boyle 2. Charles  and  Kelvin 3. Boyle  and  Fahrenheit 4. Boyle, Charles, and Kelvin 33