Question 1

Product size achieved by hammer mill is

Accepted Answer

A) 4-325 mesh 
B) 20-200 mesh 
C) 20-80 mesh 
D) 1-30 microns 
A) 4-325 mesh 
B) 20-200 mesh 
C) 20-80 mesh 
D) 1-30 microns A

Question 2

Which is not a non-ferrous metal?

Accepted Answer

A) Copper 
B) Aluminum 
C) Steel 
D) Lead 
A) Copper 
B) Aluminum 
C) Steel 
D) Lead C

Question 3

Which of these is not a mechanism of size separation?

Accepted Answer

A) Agitation 
B) Brushing method 
C) Centrifugal force 
D) Compression 
A) Agitation 
B) Brushing method 
C) Centrifugal force 
D) Compression D

Question 4

Number of sieve is defined as?

Accepted Answer

A) This is the number of meshes in a length of 25.4 mm in each direction, parallel to the wires 
B) This is the number of meshes in a length of 24.5 mm in each direction, parallel to the wires 
C) This is the number of meshes in a length of 26.5 mm in each direction, parallel to the wires 
D) This is the number of meshes in a length of 28.4 mm in each direction, parallel to the wires 
A) This is the number of meshes in a length of 25.4 mm in each direction, parallel to the wires 
B) This is the number of meshes in a length of 24.5 mm in each direction, parallel to the wires 
C) This is the number of meshes in a length of 26.5 mm in each direction, parallel to the wires 
D) This is the number of meshes in a length of 28.4 mm in each direction, parallel to the wires

Question 5

A black body is perfect

Accepted Answer

A) Emitter only 
B) Absorber only 
C) emitter and absorber 
D) none of the above 
A) Emitter only 
B) Absorber only 
C) emitter and absorber 
D) none of the above

Question 6

For ease in size reduction, the material should be.

Accepted Answer

A) Hard, brittle 
B) Soft, tough 
C) Hard, tough 
D) Soft, brittle 
A) Hard, brittle 
B) Soft, tough 
C) Hard, tough 
D) Soft, brittle

Question 7

Which equipment is used for mixing of immiscible liquids?

Accepted Answer

A) Airjet Mixer 
B) Jet Mixer 
C) Silverson Mixer 
D) Sigma Mixer 
A) Airjet Mixer 
B) Jet Mixer 
C) Silverson Mixer 
D) Sigma Mixer

Question 8

Which of the following factor does NOT affect the size reduction?

Accepted Answer

A) Hardness 
B) Stickiness 
C) Viscosity 
D) Abrasiveness 
A) Hardness 
B) Stickiness 
C) Viscosity 
D) Abrasiveness

Question 9

Which of the following is used for drying blood plasma:

Accepted Answer

A) Spray drying 
B) Freeze drying 
C) Vacuum Drying 
D) Fluid Bed drying 
A) Spray drying 
B) Freeze drying 
C) Vacuum Drying 
D) Fluid Bed drying

Question 10

Rectification is another name of:

Accepted Answer

A) Fractional distillation 
B) Molecular distillation 
C) Simple distillation 
D) Destructive distillation 
A) Fractional distillation 
B) Molecular distillation 
C) Simple distillation 
D) Destructive distillation

Question 11

Which one is called coarse powder?

Accepted Answer

A) It is powder in which all the particles must pass through the sieve no. 10 
B) It is powder in which all the particles must pass through the sieve no. 22 
C) It is powder in which all the particles must pass through the sieve no. 44 
D) It is powder in which all the particles must pass through the sieve no. 85 
A) It is powder in which all the particles must pass through the sieve no. 10 
B) It is powder in which all the particles must pass through the sieve no. 22 
C) It is powder in which all the particles must pass through the sieve no. 44 
D) It is powder in which all the particles must pass through the sieve no. 85

Question 12

Fourier law of heat conduction is based on the assumption that

Accepted Answer

A) Heat Flow through a solid in one dimension 
B) Heat flow is in steady state 
C) Both (
A)  & (
B)  
D) None of the options 
A) Heat Flow through a solid in one dimension 
B) Heat flow is in steady state 
C) Both (
A)  & (
B)  
D) None of the options

Question 13

A body whose absorptivity is constant at all wavelengths of radiation, at a given temperature is known as

Accepted Answer

A) Black Body 
B) Grey body 
C) White Body 
D) Shinning body 
A) Black Body 
B) Grey body 
C) White Body 
D) Shinning body

Question 14

Stefan Boltzmann law is applicable for heat transfer by

Accepted Answer

A) Conduction 
B) Convection 
C) Radiation 
D) Conduction & Radiation combined 
A) Conduction 
B) Convection 
C) Radiation 
D) Conduction & Radiation combined

Question 15

The amount of radiation mainly depends on:

Accepted Answer

A) Nature of body 
B) Temperature of body 
C) Type of Surface of body 
D) All of the above 
A) Nature of body 
B) Temperature of body 
C) Type of Surface of body 
D) All of the above

Question 16

Product size achieved by Ball mill?

Accepted Answer

A) 4-325 mesh 
B) 20-200 mesh 
C) 20-80 mesh 
D) 1-30 microns 
A) 4-325 mesh 
B) 20-200 mesh 
C) 20-80 mesh 
D) 1-30 microns

Question 17

Which one of these drying techniques is used for drying antibiotics and plant extract?

Accepted Answer

A) Vacuum Dryer 
B) Freeze dryer 
C) Spray dryer 
D) None of these 
A) Vacuum Dryer 
B) Freeze dryer 
C) Spray dryer 
D) None of these

Question 18

____________ method of distillation is used for the purification & separation of chemicals of low vapor pressure

Accepted Answer

A) Steam Distillation 
B) Destructive distillation 
C) Simple Distillation 
D) Molecular Distillation 
A) Steam Distillation 
B) Destructive distillation 
C) Simple Distillation 
D) Molecular Distillation

Question 19

In which dryer, hot air jets are used for drying purpose?

Accepted Answer

A) Vacuum Dryer 
B) Spray Dryer 
C) Roller Dryer 
D) Fluidized Bed dryer 
A) Vacuum Dryer 
B) Spray Dryer 
C) Roller Dryer 
D) Fluidized Bed dryer

Question 20

What are advantages of the spray drying process:

Accepted Answer

A) Evaporation is very rapid 
B) Most of the heat being used as latent heat of vaporisation 
C) The powder will have uniform and controllable particle size 
D) All of the above 
A) Evaporation is very rapid 
B) Most of the heat being used as latent heat of vaporisation 
C) The powder will have uniform and controllable particle size 
D) All of the above

Product size achieved by hammer mill is

Which is not a non-ferrous metal?

Which of these is not a mechanism of size separation?

Number of sieve is defined as?

A black body is perfect

For ease in size reduction, the material should be.

Which equipment is used for mixing of immiscible liquids?

Which of the following factor does NOT affect the size reduction?

Which of the following is used for drying blood plasma:

Rectification is another name of:

Which one is called coarse powder?

Fourier law of heat conduction is based on the assumption that

A body whose absorptivity is constant at all wavelengths of radiation, at a given temperature is known as

Stefan Boltzmann law is applicable for heat transfer by

The amount of radiation mainly depends on:

Product size achieved by Ball mill?

Which one of these drying techniques is used for drying antibiotics and plant extract?

____________ method of distillation is used for the purification & separation of chemicals of low vapor pressure

In which dryer, hot air jets are used for drying purpose?

What are advantages of the spray drying process:

Principles and Mechanisms in Milling, Distillation, and Mixing Processes

Distillation, Size Reduction and Mixing Equipment

Evaporation and Distillation Techniques

Materials and Processes

Filters

Exam 2: Materials and Heat Transfer Processes

Product size achieved by hammer mill is

Which is not a non-ferrous metal?

Which of these is not a mechanism of size separation?

Number of sieve is defined as?

A black body is perfect

For ease in size reduction, the material should be.

Which equipment is used for mixing of immiscible liquids?

Which of the following factor does NOT affect the size reduction?

Which of the following is used for drying blood plasma:

Rectification is another name of:

Which one is called coarse powder?

Fourier law of heat conduction is based on the assumption that

A body whose absorptivity is constant at all wavelengths of radiation, at a given temperature is known as

Stefan Boltzmann law is applicable for heat transfer by

The amount of radiation mainly depends on:

Product size achieved by Ball mill?

Which one of these drying techniques is used for drying antibiotics and plant extract?

____________ method of distillation is used for the purification & separation of chemicals of low vapor pressure

In which dryer, hot air jets are used for drying purpose?

What are advantages of the spray drying process:

Principles and Mechanisms in Milling, Distillation, and Mixing Processes

Distillation, Size Reduction and Mixing Equipment

Evaporation and Distillation Techniques

Materials and Processes

Filters