QUESTION 1 1 No answer can be more precise than the numbers

QUESTION 1 1. No answer can be more precise than the numbers used to generate that answer True False 3 points    QUESTION 2 1. It is necessary to convert all quantities to a consistent set of units before performing any calculations True False 3 points    10 points    QUESTION 4 1. Thermodynamics is the science of energy transformation and utilization True False 2 points    QUESTION 5 1. A Pascal is the unit of pressure in the English system True False 2 points    QUESTION 6 1. Energy is the capacity to do work True False 2 points    QUESTION 7 1. The second law of thermodynamics says that no heat engine can have a thermal efficiency of 100% where thermal efficiency = Wout / Q in. True False 2 points    QUESTION 8 1. The second law of thermodynamics is conservation of energy; energy cannot be created or destroyed, but can only change forms. True False 2 points    QUESTION 9 1. What is the relationship between absolute pressure, atmospheric pressure, and gauge pressure? 4 points    QUESTION 10 4 points    QUESTION 11 1. Match the abbreviation with its definition.       -       A.       B.       C.       D.       E.    W       -       A.       B.       C.       D.       E.    Q       -       A.       B.       C.       D.       E.    U       -       A.       B.       C.       D.       E.    E       -       A.       B.       C.       D.       E.    P A. Total energy B. Pressure C. Work D. Internal energy E. Heat 10 points    QUESTION 12 1. Match the term with its definition.       -       A.       B.       C.       D.       E.    Potential energy       -       A.       B.       C.       D.       E.    Kinetic energy       -       A.       B.       C.       D.       E.    Internal energy       -       A.       B.       C.       D.       E.    Work       -       A.       B.       C.       D.       E.    Heat A. Energy that a system possesses as a result of its motion with respect to a reference frame B. Form of energy that is transferred across the boundary of a system by virtue of a temperature difference C. Form of energy that is transferred across the boundary of a system D. Stored energy of position possessed by an object E. Sum of all the microscopic forms of energy of a system QUESTION 18 1. Fluid dynamics is the study of fluids at rest True False 2 points    QUESTION 19 1. Fluid dynamics is the study of fluids in motion True False 2 points    QUESTION 20 1. For liquids, density does not vary significantly with changes in temperature and pressure True False 2 points    QUESTION 21 1. For gases, density does not vary significantly with changes in temperature and pressure True False 2 points    QUESTION 22 1. True of false: The law of conservation of mass is called the continuity principle True False 2 points    QUESTION 23 1. The flow of fluid in and out of junctions in pipe branches is described using the continuity principle: m(in) = m(out) + m True False 2 points    QUESTION 24 1. Density is defined as mass * volume with units of kg/m3 True False 2 points    QUESTION 25 1. Specific gravity is the weight per unit volume = W/V. True False

Solution

1.True

2.True

4.False