MEEN 345 EXAM 1 QUESTIONS AND VERIFIED
ANSWERS
Which of the following fluids can be classified as shear thickening fluid?
Cornstarch in water
Ketchup
Motor oil
(wall) paint - Answers - cornstarch in water
For Newtonian Fluids, the viscosity of the fluids do NOT vary with the temperature. Is
the statement true or false? - Answers - False
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? - Answers - between 198 and
242
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
(it gives the equation) - Answers - Pretty easy, just make sure to check units
Which of the followings is not the objectives of LAB1 (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
ANSWERS
Which of the following fluids can be classified as shear thickening fluid?
Cornstarch in water
Ketchup
Motor oil
(wall) paint - Answers - cornstarch in water
For Newtonian Fluids, the viscosity of the fluids do NOT vary with the temperature. Is
the statement true or false? - Answers - False
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? - Answers - between 198 and
242
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
(it gives the equation) - Answers - Pretty easy, just make sure to check units
Which of the followings is not the objectives of LAB1 (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
