SOALAN EOC 1

END OF CHAPTER 1

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CLO 2 :   SOLVE PROBLEMS CORRECTLY RELATED TO FLUID PROPERTIES, FLUID STATICS AND FLUID DYNAMICS.

SOALAN 1

a.      Explain the relationship between pressure and depth.

(5 Marks: CLO2)

b.      Rayyan has a problem with his car’s tyre. He need to pump air pressure correctly to his car. Find the absolute pressure (in Pascal) for each tyre if the atmospheric pressure is 1.1 bar and the pressure gauge is 2.0 bar.

(5Marks: CLO2)

c.         Agroup of students in an Engineering Laboratory class was given a can of carbonated     drink with a measurement below:

Volume of carbonated drink = 325 ml

Mass of the full carbonated drink + can =  0.35 kg

Mass of empty can = 15.3 g

 They need to determine :

i.                    Mass of carbonated water

ii.                  Specific weight of the carbonate water

iii.                Density of the carbonate water

iv.                 Specific gravity of the carbonate water

 (15 marks: CLO2)

SOALAN 2

a.               Volume of lubricant oil in a tank is 72.5 cm³ and its mass is 5000g. Calculate:

i.                    Mass density  of oil

ii.                  Specific weight of oil

iii.                Specific volume of oil

(10 marks: CLO2)

b.               Find the height of water column, h which is equivalent to the pressure, P of 35 kN/m².

(3 marks: CLO2)

c.                If 5.6 m³ of oil and weights 46000 N ,determine :

i.                    Mass density, in unit kg/m³

ii.                  Specific weight

iii.                  Specific volume

iv.                 Specific gravity of oil

(12 marks: CLO2)

SOALAN 3

a.                        State the difference between gauge pressure, atmospheric pressure and absolute pressure                                                                                                                                                                                                                                             (6 marks:CLO2)

b.                        Head of a gas that shows by a pressure measurement tool is 68 mm water while head mercury of atmospheric pressure is 750mm mercury. What is the value of absolute pressure in kN/m².

                                                                                                                        (11mark:CLO2)

c.                          Weight of 1L of a fluid is 7.05 N. Base on that information, calculate;

i.                    mass density                                       (5 marks:CLO2)

ii.                  specific weight                                    (3 marks:CLO2)

SOALAN 4

a.                        Define and state the formulae and units  for the following terms :

i.        Mass density

ii.      Pressure

iii.    Vacuum

iv.     Specific volume

v.       Specific weight                                                     (15marks:CLO2)                                                              

b.                        What is pressure gauge of air in the cylinder if the atmospheric pressure is 101.3kN/m² and absolute pressure is 460 kN/m².                                                           (4marks:CLO2)

c.                         Determine the head of water, h if the given pressure, P is  20 N/m². (specific weight is given as )                                                                     (3marks:CLO2)

d.                        If atmosphere pressure is 101kPa, what will be the height shown in a mercury barometer? (Relative Density of Hg =13.534)

(3marks:CLO2