MEEN 345 EXAM 1 QUESTIONS AND VERIFIED
ANSWERS
Names of Labs:
Lab 1: Fluid Viscosity & Viscometers
Lab 2: Flow Visualization
Lab 3: Pressure Gauge Calibration
Lab 4: Bernoulli's Theory
Lab 5: Impact of Jets
Lab 6: Flow Through an Orifice
Lab 7: Pressure Distribution on a Cylindrical Cylinder
Lab 8: Flow Measurment Methods & Two-Stage Centrifugal Pump Test
Lab 9: Pipe Flow Head Loss - Answers - if the quiz number and question number is
given in the question then that means to refer to the equation sheet or the picture in the
quiz
Which of the followings is not the objectives of LAB 1 (fluid viscosity and viscometers)?
Measure the viscosity of fluid using a rotary viscometer
Determine the temperature dependence of fluid viscosity
Determine the pressure dependence of fluid viscosity
Classify the fluids as Newtonian or Non-Newtonian fluid - Answers - Determine the
pressure dependence of fluid viscosity
What does the plot of a Newtonian fluid look like on a shear rate vs. Viscosity plot? -
Answers - straight line
What does the plot of a shear thinning fluid look like on a shear rate vs. Viscosity plot? -
Answers - exponential, opens downwards
What does the plot of a shear thickening fluid look like on a shear rate vs. Viscosity
plot? - Answers - exponential, opens upwards
T or F: When temperature of the oil increases, the distance between the molecules in
the oil increases and the cohesive force decreases. Therefore, the viscosity of oil
increases as the temperature of the oil increases. - Answers - False
Which of the following fluids will be tested in this lab? Select all that apply.
Motor Oil
Water
Ketchup
Coolant - Answers - Motor Oil and Ketchup
, As indicated in the video lecture, which of the following should be included in the
Appendix of your report?
Sample Calculation
Conclusions
Experimental Procedure
List of Equipment - Answers - Sample Calculation
T or F: For Newtonian Fluids, the viscosity of the fluids do NOT vary with the
temperature. Is the statement true or false? - Answers - False
Which of the following fluids can be classified as shear thickening fluid?
Cornstarch in water
Ketchup
Motor Oil
Wall Paint - Answers - Cornstarch in Water
The pump power was calculated by the following equation and uncertainty table is
provided: Perform a Kline-McClintock uncertainty analysis on the pump power
calculation. What is the uncertainty of the pump power measurement in watt? (Post Lab
1, Q2) - Answers - See Eq Sheet
Which of the following fluids can be classified as non-Newtonian?
Water
Blood
Air
Motor Oil - Answers - Blood
You took 3 trials of viscosity measurement of 10W40 motor oil at low temperatures to
produce the data below. Calculate the boundary layer thickness (h) using the averages
of your trials. Dd=18.75mm (Post Lab 1, Q5) - Answers - See Eq Sheet
Which of the following is not an objective of Flow Visualization lab?
To visualize the flow patterns of a liquid by the injection of dye
To determine the drag force experienced by various objects placed in a water flow
To characterize and identify pathlines, streamlines, streamlines and various flow
features
To verify the law of mass conservation along the channel - Answers - To determine the
drag force experienced by various objects placed in a water flow
ANSWERS
Names of Labs:
Lab 1: Fluid Viscosity & Viscometers
Lab 2: Flow Visualization
Lab 3: Pressure Gauge Calibration
Lab 4: Bernoulli's Theory
Lab 5: Impact of Jets
Lab 6: Flow Through an Orifice
Lab 7: Pressure Distribution on a Cylindrical Cylinder
Lab 8: Flow Measurment Methods & Two-Stage Centrifugal Pump Test
Lab 9: Pipe Flow Head Loss - Answers - if the quiz number and question number is
given in the question then that means to refer to the equation sheet or the picture in the
quiz
Which of the followings is not the objectives of LAB 1 (fluid viscosity and viscometers)?
Measure the viscosity of fluid using a rotary viscometer
Determine the temperature dependence of fluid viscosity
Determine the pressure dependence of fluid viscosity
Classify the fluids as Newtonian or Non-Newtonian fluid - Answers - Determine the
pressure dependence of fluid viscosity
What does the plot of a Newtonian fluid look like on a shear rate vs. Viscosity plot? -
Answers - straight line
What does the plot of a shear thinning fluid look like on a shear rate vs. Viscosity plot? -
Answers - exponential, opens downwards
What does the plot of a shear thickening fluid look like on a shear rate vs. Viscosity
plot? - Answers - exponential, opens upwards
T or F: When temperature of the oil increases, the distance between the molecules in
the oil increases and the cohesive force decreases. Therefore, the viscosity of oil
increases as the temperature of the oil increases. - Answers - False
Which of the following fluids will be tested in this lab? Select all that apply.
Motor Oil
Water
Ketchup
Coolant - Answers - Motor Oil and Ketchup
, As indicated in the video lecture, which of the following should be included in the
Appendix of your report?
Sample Calculation
Conclusions
Experimental Procedure
List of Equipment - Answers - Sample Calculation
T or F: For Newtonian Fluids, the viscosity of the fluids do NOT vary with the
temperature. Is the statement true or false? - Answers - False
Which of the following fluids can be classified as shear thickening fluid?
Cornstarch in water
Ketchup
Motor Oil
Wall Paint - Answers - Cornstarch in Water
The pump power was calculated by the following equation and uncertainty table is
provided: Perform a Kline-McClintock uncertainty analysis on the pump power
calculation. What is the uncertainty of the pump power measurement in watt? (Post Lab
1, Q2) - Answers - See Eq Sheet
Which of the following fluids can be classified as non-Newtonian?
Water
Blood
Air
Motor Oil - Answers - Blood
You took 3 trials of viscosity measurement of 10W40 motor oil at low temperatures to
produce the data below. Calculate the boundary layer thickness (h) using the averages
of your trials. Dd=18.75mm (Post Lab 1, Q5) - Answers - See Eq Sheet
Which of the following is not an objective of Flow Visualization lab?
To visualize the flow patterns of a liquid by the injection of dye
To determine the drag force experienced by various objects placed in a water flow
To characterize and identify pathlines, streamlines, streamlines and various flow
features
To verify the law of mass conservation along the channel - Answers - To determine the
drag force experienced by various objects placed in a water flow
