Podcast
Questions and Answers
Which of the following is NOT a type of sensor used in food processing?
Which of the following is NOT a type of sensor used in food processing?
- Rheometers (correct)
- Pressure transducers
- Thermocouples
- Resistance thermometric devices (RTDs)
What is the study of deformation and flow of foods called?
What is the study of deformation and flow of foods called?
- Process control
- Rheometry
- Rheology (correct)
- Viscometry
What is the purpose of process control in food processing?
What is the purpose of process control in food processing?
- To determine flow properties of matter
- To monitor a series of process variables (correct)
- To ensure maximum quality and safety
- To measure processing conditions and product quality parameters
Which type of process rheometer is considered the most desirable?
Which type of process rheometer is considered the most desirable?
What is the critical shear stress that causes the onset of flow called?
What is the critical shear stress that causes the onset of flow called?
Which type of fluid has the same viscosity at different shear rates?
Which type of fluid has the same viscosity at different shear rates?
Which type of viscometer is commonly used for off-line viscosity measurements?
Which type of viscometer is commonly used for off-line viscosity measurements?
Which factor does NOT influence the viscosity of skim milk concentrate?
Which factor does NOT influence the viscosity of skim milk concentrate?
What is the recommended viscosity for skim milk concentrate in falling film evaporators at a shear rate of 100/s?
What is the recommended viscosity for skim milk concentrate in falling film evaporators at a shear rate of 100/s?
Which method has been employed to measure the firmness of the coagulum in cheese manufacture?
Which method has been employed to measure the firmness of the coagulum in cheese manufacture?
What is the basis of the falling sphere viscometer?
What is the basis of the falling sphere viscometer?
Which type of viscometer works well with highly viscous materials that would not flow into the annular space of a rotational viscometer?
Which type of viscometer works well with highly viscous materials that would not flow into the annular space of a rotational viscometer?
What is the principle behind capillary viscometers?
What is the principle behind capillary viscometers?
Which type of viscometer measures the time required for a falling cylinder or ball to move through a liquid?
Which type of viscometer measures the time required for a falling cylinder or ball to move through a liquid?
What is the principle behind the DeZurik Blade Sensor Consistency Transmitter?
What is the principle behind the DeZurik Blade Sensor Consistency Transmitter?
According to the text, which model is used for characterizing the flow behavior of molten chocolate?
According to the text, which model is used for characterizing the flow behavior of molten chocolate?
What is the relationship between shear stress and shear rate for a Newtonian fluid?
What is the relationship between shear stress and shear rate for a Newtonian fluid?
What is the formula for calculating shear rate in a cone and plate geometry?
What is the formula for calculating shear rate in a cone and plate geometry?
Which model is a generalized model of a non-Newtonian fluid and includes a yield stress?
Which model is a generalized model of a non-Newtonian fluid and includes a yield stress?
According to Stoke's law, the terminal velocity of a spherical particle in a fluid is given by the equation $v_t = \frac{{d^2(\rho_s - \rho)g}},{{18\mu}}$, where $d$ is the diameter of the particle, $\rho_s$ is the density of the particle, $\rho$ is the density of the fluid, $g$ is the acceleration due to gravity, and $\mu$ is the viscosity of the fluid. Based on this equation, which of the following statements is true?
According to Stoke's law, the terminal velocity of a spherical particle in a fluid is given by the equation $v_t = \frac{{d^2(\rho_s - \rho)g}},{{18\mu}}$, where $d$ is the diameter of the particle, $\rho_s$ is the density of the particle, $\rho$ is the density of the fluid, $g$ is the acceleration due to gravity, and $\mu$ is the viscosity of the fluid. Based on this equation, which of the following statements is true?
In the equation $FR = 3\mu\pi d v_t$, which of the following represents the drag force on a spherical particle in a fluid?
In the equation $FR = 3\mu\pi d v_t$, which of the following represents the drag force on a spherical particle in a fluid?
According to Stoke's equation, the terminal velocity of a spherical particle is inversely proportional to which of the following?
According to Stoke's equation, the terminal velocity of a spherical particle is inversely proportional to which of the following?
In the equation $FR = Cd \cdot \pi d^2 \rho v^2$, which of the following represents the drag coefficient?
In the equation $FR = Cd \cdot \pi d^2 \rho v^2$, which of the following represents the drag coefficient?
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