WorksheetsPreparation for final part 2.4
Total questions: 25
Worksheet time: 13mins
What is volume fraction used for?
For the characterization of gas mixtures and for ideal gases
For pressure mixtures of gases
For the determination of protein mass fraction
What is selectivity?
Is consumption of raw materials to obtain one ton of the target product
Is the proportion of converted raw materials spent on the formation of the target product
Is the amount of converted raw materials attributed to the reactor load, expressed as a percentage or fractions of a unit
According to the law of conversation of matter, the mass …
Of substances entering a system equal to the mass of substances leaving this system
Can be completed for individual components of the system
Of amounts of raw materials and reagents received for processing is equal to total amount of processed products received
What does hydrostatics study?
Equilibrium or state of rest of a fluid
Pressure
Volume
What is the name of share or percentage of processed raw materials spent on the formation of the target product?
Conversion
Concentration
Selectivity
Which law we use to determine the total pressure of a mixture of gases?
Dalton’s law
Konovalova’s law
Hess’ law
What kind of losses we have in the production of petrochemical products?
Mechanical losses and losses of the target product
Technological losses
Extra processing losses
What is necessary to do before the material calculation?
Write a purpose
Draw up a diagram of material flows
To calculate the material balance
Dalton’s law is used as …
Determination of compressability of a mixture gases
Determination of total pressure of a mixture of gases
Determination of partial pressure of gas in mixture
The material balance is based on …
Stoichiometric laws
Laws of definite proportion
Avogadro’s law
The purpose of material balance is ….
To determine the consumption of raw material and its ratio with produced target product
To determine the consumption of raw material and auxiliary material to ensure a given productivity for the target product
To determine the percentage or amount of engaged raw material with comparison of produced output
Change in the enthalpy are found as …
The starting substance that differs with comparison of the fine finished
The difference between the enthalpy of the reaction products and the starting substances
The enthalpy of finished substance
The practical material balance is divided into?
4
2
3
The next step after polymerization of diagram material flows
Degassing
Centrifugation
Drying
What is difference of molar ratio?
Is the ratio of amount of substance of component to the amount of substance of the mixture
Is the ratio of the volume of the component to the volume of mixture
Is the ratio of amount of substance of the component to the total volume of mixture
The volume fraction indicator is used …
To characterize gas mixture
To determine the parameters of the ideal gas
To determine the total pressure of a mixture of gases
What is the formula P/(ρg)?
Piezometric pressure
Law of hydrostatics
Euler’s system
If the atmospheric pressure on the surface of at tank is 0.1 kg/cm2, the pressure at a depth of 2.5 m is …
1 meter of water
2 meter of water
3 meter of water
The total pressure force on a plane is equal to the area multiplied by the intensity of pressure at its centroid, if ….
Area is vertical
Area is inclined
All the above
Select physical properties of liquid
Interaction with metals
Hydrolysis
Pressure
Viscosity can be described as …
A physical property of liquids
A chemical property of liquids
A physical property of solids
In the hydraulic system the load side has a bigger … than the effort side
Larger
Cross-sectional area
Pressure
… is the physical property of a liquid as a rule, is found in the reference literature
Turbulent viscosity
Viscosity
Molecular viscosity
… of mixture component is the ratio of the mass of the i-th component
Theoretical material
Practical material
Energy material
Hydraulics is a science that …
Forces acting on or exerted by fluid
Motion of different liquids
State of rest of a liquid
