✨طريقك نحو الرسوب✨
¹⁸﴿لَئِنْ شَكَرْتُمْ لَأَزِيدَنَّكُمْ﴾
¹⁹{لاَ يُكَلِّفُ اللّهُ نَفْساً إِلاَّ وُسْعَهَا }
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Forwarded from Industrial Pharmacy | Omar al-Saidaly (Omar al-Saidaly)
اسئله-صناعيه-مع-الاجوبه.pdf
2.3 MB
اللي طلبوا اسئلة الصناعية مقسمة حسب المواضيع
هاي الاسئلة مقسمة مع الحل
الحلول الي بالملف صحيحة بأستثناء:
97.E
80.E
61.C
https://t.me/Indu_Pharmacy
هاي الاسئلة مقسمة مع الحل
الحلول الي بالملف صحيحة بأستثناء:
97.E
80.E
61.C
https://t.me/Indu_Pharmacy
❤🔥1
Industrial Pharmacy | Omar al-Saidaly
اسئله-صناعيه-مع-الاجوبه.pdf
ح انشر الاسئلة حسب حل هذا الملف
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Regarding vortex during fluid mixing, which of the following techniques can be used to
prevent/minimize vortexing during fluid mixing?
prevent/minimize vortexing during fluid mixing?
Anonymous Quiz
7%
a Increase mixing time.
5%
b- Increase impeller speed.
6%
d-Increase mixing power.
51%
C-Using balfles.
31%
e- All of the above
👍1
Regarding solid mixing, all the following are factors affecting segregation except for
Anonymous Quiz
6%
a-particle shape
10%
b-particle charge
55%
c-particle solubility
8%
d-particle size
21%
e-density
According to mixing equipment, which of the flowing consists of a horizontal cylindrical
tank usually opening at the top and fitted with helical blades, the blades are mounted on the
horizontal axle by struts, and are rotated to circulate the material to be mixed
tank usually opening at the top and fitted with helical blades, the blades are mounted on the
horizontal axle by struts, and are rotated to circulate the material to be mixed
❤1
✨طريقك نحو الرسوب✨
According to mixing equipment, which of the flowing consists of a horizontal cylindrical tank usually opening at the top and fitted with helical blades, the blades are mounted on the horizontal axle by struts, and are rotated to circulate the material to…
Regarding to flow characteristics, the viscosity can be changed in the following system
Anonymous Quiz
34%
a-Newtonian system
3%
b- Plastic system
10%
c- Pseudoplastic system
5%
d-dilatant
48%
e. All plastic, pseudoplastic and dilatant
Regarding selection of appropriate mixer, Which type of mixer is suitable for thicker pastes and plastic masses mixing?
Anonymous Quiz
17%
a-Sigma blade mixer
12%
b-Turbine of flat blade design
55%
c-Sigma-blade mixer and muller mixer
9%
d-Muller mixer
7%
e-Twin-shell mixer
The phenomenon of turbulent mixing is characterized by
Anonymous Quiz
53%
a-Random fluctuation of the fluid velocity at any given point within the system
12%
b-Organized fluctuation of the fluid velocity at any given point within the system
28%
c- Random fluctuation of the fluid velocity at the center within the system
3%
d-Stable velocity of the fluid at any given point within the system
3%
e-None of the above
Two or more ingredients in separate or roughly mixed condition are treated so that each particle of any one ingredient is as nearly as possible adjacent to a particle of each of the other ingredients, the
process is known as
process is known as
Anonymous Quiz
9%
a- milling
81%
b-mixing
3%
c-drying
5%
d-clarification
2%
e- centrifugation
❤1
Regarding mixing, mixing mechanisms for two dissimilar liquids in which the shear that is generated stretches the interface
between them is
between them is
Anonymous Quiz
10%
a-Bulk Transport
7%
b- Turbulent Mixing
52%
c-Laminar Mixing
8%
d-Molecular Diffusion
22%
e- All of the above
Regarding vortex in mixing, Vortex develops at the center of the vessel when liquids are mixed by a centrally-mounted vertical-shaft impeller and can be overcoming by
Anonymous Quiz
6%
a- changing arrangement of the impeller
8%
b- changing the tank geometry
18%
c-using baffles
7%
d-using diffuser ring
60%
e. All of the above
Regarding flow characteristics, which of the following is a characteristic of turbulent flow?
Anonymous Quiz
15%
a- Velocity components at a given point in the flow field remain constant
18%
b- Fluid particles move in parallel layers
50%
c-The fluid has different instantaneous velocities at different location at the same instant in time
4%
D- The flow of fluid is smooth and ordered
13%
e-None of the above
Regarding mixing, the following categories are all mixing mechanisms of fluid, EXCEPT
Anonymous Quiz
63%
a-Radial motion
8%
b- Bulk transport
10%
c-Turbulent flow
4%
d-Laminar flow
14%
e-Molecular diffusion
Concerning in line liquid mixer, what is the most appropriate answer regarding in line
(continuous liquid mixing)
(continuous liquid mixing)
Anonymous Quiz
12%
a- The in line liquid mixing produces an uninterrupted supply of freshly mixed material
24%
b- It is often desirable when very large volumes of materials are to be handled
10%
c- It can be accomplished essencally either in a tube through which the material flows or ....
5%
d- devices such as vanes, baffles, are placed in the mixing tub
49%
e- All of the above
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The milling mechanisms could be comminution mechanisms.
Anonymous Quiz
4%
A-Cutting
2%
b-Attrition.
10%
c-Compression.
4%
d. Impact.
81%
e- All of them
Regarding miling techniques, which of the following techniques is applied to overcome the polymorphism problem during milling?
Anonymous Quiz
25%
a-Using a hammer mill
37%
b- Using wet milling
14%
c-Using cutter mill
13%
d-Increase milling temperature.
11%
e-None of the above
Regarding to the selection of mill technique, the choice of a mill is based on
Anonymous Quiz
5%
a-Cost
3%
b-Health hazards
3%
c-Cooling system
10%
d. Particles size
80%
e- All of the above