Pump Ops Ch 5 Test || with A+ Guaranteed Solutions.

Which of the following statements about the freezing point of water is MOST accurate? correct answers Below 32 degrees water converts to a solid state of matter When water converts to a gas, water vapor, or steam, the water: correct answers only becomes visible as it rises away from the surface of the liquid and begins to condense Which of the following statements about properties of water is MOST accurate? correct answers water is considered to be virtually incompressible For fire protection purposes, ordinary fresh water is considered to weigh correct answers 8.3 lbs a gal Water may be used to smother fires in a combustible liquid correct answers when the liquids specific gravity is higher then 1 When water converts to steam within a closed space, the fire correct answers may be extinguished by smothering Which of the following is a characteristic of water? correct answers it has a greater heat-absorbing capacity than other common extinguishing agents At 212 degrees water converted to steam occupies approximately correct answers 1700 times its original volume Which of the following statements about water as an extinguishing agent is MOST accurate? correct answers generally it is inexpensive and readily available A characteristic of water as an extinguishing agent is that it correct answers has a high surface tension that makes it somewhat difficult to soak into dense materials Which of the following statements about water curtains is MOST accurate? correct answers Radiant heat easily passes through water, rendering water curtains ineffective Which of the following statements about water and electricity is MOST accurate? correct answers Water is a good conductor of electricity Which is the best description of pressure? correct answers Force per unit area The first principle of pressure states fluid pressure is: correct answers perpendicular to any surface on which it acts The second principle of pressure states that fluid pressure at a point in fluid at rest correct answers the same intensity in all directions