Exam Details
| Subject | principles of chemical engineering | |
| Paper | ||
| Exam / Course | diploma engineering | |
| Department | ||
| Organization | Gujarat Technological University | |
| Position | ||
| Exam Date | January, 2019 | |
| City, State | gujarat, ahmedabad |
Question Paper
1/8
Seat No. Enrolment No.:
Gujarat Technological University
Diploma Engineering C to D Bridge Course Examination
Subject Code: C311703 Date: 07/01/2019
Subject Name: Principles of Chemical Engineering
Time: 02:30 PM to 04:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumption wherever necessary.
3. Each question is of 1 mark.
4. Use of SIMPLE CALCULATOR is permissible. (Scientific/Higher Version not allowed)
5. English version is authentic.
Q. No.
Question and Option
1.
The process of reduction is
A.
Addition of electron
B.
Removal of electron
C.
Removal of hydrogen
D.
Addition of oxygen
1.
A.
B.
C.
D.
2.
PH of pure water
A.
More than 7
B.
Less than 7
C.
Equal to 7
D.
zero
2.
pH
A.
7
B.
7
C.
7
D.
3.
Batteries are composed of one or more cells, each containing
A.
Positive Electrode
B.
Negative Electrode
C.
Electrolyte
D.
All of the above
3.
A.
B.
C.
D.
4.
When two or more cells are connected in series they form
A.
Electrode
B.
Electrolyte
C.
Battery
D.
All of the above
4.
A.
B.
C.
D.
5.
If the pH meter shows the pH of solution 10, the solution is
A.
Acid
B.
Salt
C.
Base
D.
Pure Water
5.
pH pH
A.
B.
C.
D.
6.
Which instrument is used to measure accurate pH?
A.
pH Meter
B.
Colorimeter
C.
Spectrometer
D.
Hygrometer
6.
pH
A.
pH
B.
C.
D.
7.
The branch of chemistry that deals with the relations between electrical and chemical phenomena is called as
A.
Physical Chemistry
B.
Electrochemistry
C.
Metallurgy
D.
Thermodynamics
2/8
7.
A.
B.
C.
D.
8.
Which statement is true for an electrochemical cell?
A.
Oxidation occurs at the anode only
B.
Reduction occurs at the anode only
C.
Oxidation occurs at anode and cathode
D.
Reduction occurs at anode and cathode
8.
A.
B.
C.
D.
9.
pH range is in between
A.
0 to 7
B.
0 to 14
C.
1 to 14
D.
1 to 14
9.
pH
A.
0 7
B.
0 14
C.
1 14
D.
1 14
10.
In an electrochemical cell the metal with higher oxidation potential becomes
A.
Electrolyte
B.
Buffer
C.
Cathode
D.
Anode
10.
A.
B.
C.
D.
11.
Which material is used in Belt material?
A.
Rubber
B.
Leather
C.
Fabric
D.
All of the above
11.
A.
B.
C.
D.
12.
Which is the moving part of centrifugal pump?
A.
Impeller
B.
Volute
C.
Suction nozzle
D.
Diffuser
12.
A.
B.
C.
D.
13.
The basic function of an air dryer in a compressor is to
A.
Prevent dust from entering the
compressor
B.
Reduce the temperature of the air before it enters the next stage to increase efficiency
C.
Store and smoothen the pulsating air output
D.
Remove remaining traces of moisture
13.
A.
B.
C.
D.
14.
Which of the compressors is used to supply large quantities of air?
A.
Reciprocating
B.
Rotary screw
C.
Rotary vane
D.
Centrifugal
14.
A.
B.
C.
D.
15.
Material used to make impeller
A.
Steel
B.
Cast Iron
C.
Both of the above
D.
None of the above
15.
A.
B.
C.
D.
16.
Where is Bucket Elevators are used?
A.
Mining Industry
B.
Cement Industry
C.
Thermal Power Plant
D.
All of the above
3/8
16.
A.
B.
C.
D.
17.
Which is the principle of electrochemical cell?
A.
Conversion of Chemical energy into electrical energy
B.
Conversion of Electrical energy into Mechanical energy
C.
Mechanical into chemical energy
D.
None
17.
A.
B.
C.
D.
18.
Which is the value of pH of acidic compound?
A.
14
B.
C.
D.
7
18.
pH
A.
14
B.
C.
D.
7
19.
Which is the process of oxidation?
A.
Removal of electron from element
B.
Removal of oxygen from element
C.
Addition of electron in element
D.
All
19.
A.
B.
C.
D.
20.
Electrochemistry deal with study of conversation of…..
A.
Electrical energy into chemical energy
B.
Chemical energy into electrical energy
C.
None of the above
D.
Both of the above
20.
A.
B.
C.
D.
21.
Free energy of all spontaneous reaction always decreases is the statement of ……
A.
1st law thermodynamics
B.
2nd law thermodynamics
C.
3rd law thermodynamics
D.
Zero law thermodynamics
21.
A.
B.
C.
D.
22.
Which is the reaction of formation of bond?
A.
Exothermic
B.
Endothermic
C.
Both
D.
None
22.
A.
B.
C.
D.
23.
Entropy is the …..
A.
Law of thermodynamics
B.
Chemical property
C.
Measure of Randomness
D.
None
23.
A.
B.
C.
D.
24.
The entropy of a pure crystal is 0 at
A.
100 °Celcius
B.
0 °Celcius
C.
0 °Fahrenheit
D.
0 Kelvin
24.
A.
100
B.
0
C.
0
D.
0
25.
Energy neither created nor destroyed is the statement law of thermodynamic.
A.
First
B.
second
C.
third
D.
zeroth
25.
A.
B.
4/8
C.
D.
26.
Caffeine is extracted from coffee by which process
A.
Cracking
B.
Extraction
C.
Hydrogenation
D.
None
26.
A.
B.
C.
D.
27.
Which polymer is used as an insulator in electric cables?
A.
Teflon
B.
Poly propylene
C.
PVC
D.
None
27.
A.
B.
C.
PVC
D.
28.
The process in which breaking large molecule into small molecule is known….
A.
Hydrogenation
B.
Extraction
C.
Polymerization
D.
Cracking
28.
A.
B.
C.
D.
29.
The process of removal of hydrogen in known……
A.
Dehalogenation
B.
Dehydrogenation
C.
Hydrogenation
D.
None
29.
A.
B.
C.
D.
30.
Removal of pollutant from compound is done by which process.
A.
Hydrogenation
B.
Extraction
C.
Cracking
D.
Adsorption
30.
A.
B.
C.
D.
31
The process of taking something from one liquid and forcing it become dissolved in another liquid is known
A.
Drying
B.
Evaporation
C.
Batch process
D.
extraction
31.
A.
B.
C.
D.
32.
The process of formation of polymer is known
A.
Polymerization
B.
Adsorption
C.
Absorption
D.
Extraction
32.
A.
B.
C.
D.
33.
Addition of alkyl group from one molecule to another molecule is known
A.
Hydrogenation
B.
Dehydrogenation
C.
alkylation
D.
none of these
33.
A.
B.
C.
D.
34.
The process of breaking higher hydrocarbons into a variety of lower hydrocarbons that are more volatile (low boiling), is called
A.
Cracking
B.
Hydrogenation
C.
Isomerism
D.
All of the above
34.
A.
B.
5/8
C.
D.
35.
Processing technique by which the molecular structure of a hydrocarbon is rearranged to alter its properties is
A.
Isomerisation
B.
Crystallization
C.
Polymerisation
D.
Cracking
35.
A.
B.
C.
D.
36.
For all spontaneous reaction value of free energy is for a system
A.
Positive
B.
Negative
C.
zero
D.
All of these
36.
A.
B.
C.
D.
37.
According to first law of thermodynamics
A.
Total internal energy of a system during a process remains constant
B.
Work done by a system is equal to the heat transferred by the system
C.
Total energy of a system remains constant
D.
None of the above
37.
A.
B.
C.
D.
38.
The measurement of a thermodynamics property known as temperature is based on
A.
Zeroth Law
B.
First Law
C.
Second Law
D.
Third Law
38.
A.
B.
C.
D.
39.
Normal condition, the refrigerant enters in the compressor in an operating refrigeration system as a
A.
Dry saturated gas
B.
Superheated vapour
C.
Liquid
D.
Wet saturated gas
39.
A.
B.
C.
D.
40.
Chemical change that is accompanied by an absorption of heat is known as
A.
Exothermic
B.
Endothermic
C.
Absothermic
D.
Adiabatic
40.
A.
B.
C.
D.
41.
Chemical change that is accompanied by an release of heat is known as
A.
Exothermic
B.
Endothermic
C.
Absothermic
D.
Adiabatic
41.
A.
B.
C.
D.
42.
Type of impeller used in centrifugal pumps is ….
A.
Open
B.
Semi open
C.
Close
D.
All
42.
A.
B.
C.
D.
43.
Which is used to transfer liquid one place to another place?
A.
Pumps
B.
Compressor
C.
Conveyer
D.
All
43.
6/8
A.
B.
C.
D.
44.
Which are the advantages of centrifugal pumps?
A.
It has a small size
B.
It has a high weight
C.
It has a high maintenances cost
D.
It vibrates
44.
A.
B.
C.
D.
45.
Which from following decreases the volume increases the pressure of air
A.
Pumps
B.
Elevator
C.
Air compressor
D.
All
45.
A.
B.
C.
D.
46.
Which are types of impeller use in reciprocating pump?
A.
Open
B.
Semi Open
C.
Close
D.
None of above
46.
A.
B.
C.
D.
47.
Piston pump and plunger pump are types of pump
A.
Centrifugal
B.
Reciprocating
C.
Rotary
D.
Screw
47.
A.
B.
C.
D.
48.
is used for a transfer solid materials from one place to another place.
A.
Pump
B.
Compressor
C.
Belt Conveyor
D.
None of the above
48.
A.
B.
C.
D.
49.
Which is the not a type of pump
A.
Centrifugal pump
B.
Zig-zag Pump
C.
Reciprocating Pump
D.
Rotary Vane pump
49.
A.
B.
C.
D.
50.
Conveyer is used for
A.
Compression
B.
Combination
C.
drying
D.
Transportation
50.
A.
B.
C.
D.
51.
An instrument used for drying purpose is said as
A.
Dryer
B.
Evaporator
C.
Agitator
D.
Grinder
51.
A.
B.
C.
D.
52.
Output of spray dryer comes in the form of
A.
Powder form
B.
Liquid form
C.
Solid form
D.
Gaseous form
52.
A.
B.
C.
D.
7/8
53.
Operations combine to form
A.
Unit
B.
Process
C.
Data
D.
Variable
53.
A.
B.
C.
D.
54.
What is Agitation in unit operation?
A.
Drying
B.
Crushing
C.
Mixing
D.
Crystallization
54.
A.
B.
C.
D.
55.
Process is done in batches
A.
Continuous
B.
Batch
C.
Both of the above
D.
None of the above
55.
A.
B.
C.
D.
56.
Crushing is a process to
A.
Increase the size
B.
Evaporating
C.
Drying
D.
Decrease the size
56.
A.
B.
C.
D.
57.
The process of formation of solid from liquid or gas is known
A.
Evaporation
B.
Blending
C.
Crystallization
D.
Continues process
57.
A.
B.
C.
D.
58.
Which is the type of grinding mill?
A.
Wind mill
B.
Water mill
C.
Weeper mill
D.
All of these
58.
A.
B.
C.
D.
59.
The process of removal of water from another solvent is known
A.
Drying
B.
Evaporation
C.
Batch process
D.
all of these
59.
A.
B.
C.
D.
60.
The process in which physical change occurs during manufacturing of product is known…
A.
Unit process
B.
Unit operation
C.
Cracking
D.
none
60.
A.
B.
C.
D.
61.
The process of transfer material from one place to another place is known…..
A.
Grinding
B.
Centrifugation
C.
Conveying
D.
All
61.
A.
B.
C.
D.
62.
The method or technique used for manufacturing of product without interruption is
A.
Batch process
B.
Continuous process
C.
Evaporation
D.
Crushing
8/8
62.
A.
B.
C.
D.
63.
What is main function of filtration?
A.
Remove impurity from water
B.
Remove impurity from rubber
C.
Remove impurity from leather
D.
None of the above
63.
A.
B.
C.
D.
64.
Centrifugation process is used to distinguish
A.
Liquid from Liquid
B.
Solid from liquid
C.
Both of the above
D.
None of the above
64.
A.
B.
C.
D.
65.
Hydrogenation is the process of addition of
A.
Chlorine
B.
Hydrogen
C.
Bromine
D.
All of above
65.
A.
B.
C.
D.
66.
Vegetable Ghee is made by process
A.
Alkylation
B.
Isomerism
C.
Polymerisation
D.
Hydrogenation
66.
A.
B.
C.
D.
67.
A process occurs when a chemical is removed from one gas or liquid stream by mixing it with another stream is called as
A.
Hydrogenation
B.
Cracking
C.
Alkylation
D.
Absorption
67.
A.
B.
C.
D.
68.
PVC is obtained by process
A.
Alkylation
B.
Polymerisation
C.
Hydrogenation
D.
Cracking
68.
PVC
A.
B.
C.
D.
69.
Which law gives information about conservation of energy?
A.
First law of thermodynamics
B.
Second law of thermodynamics
C.
Third law of thermodynamics
D.
Zero law of thermodynamics
69.
A.
B.
C.
D.
70.
Burning of coal is the example of reaction
A.
Endothermic
B.
Exothermic
C.
Both
D.
None
70.
A.
B.
C.
D.
Seat No. Enrolment No.:
Gujarat Technological University
Diploma Engineering C to D Bridge Course Examination
Subject Code: C311703 Date: 07/01/2019
Subject Name: Principles of Chemical Engineering
Time: 02:30 PM to 04:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumption wherever necessary.
3. Each question is of 1 mark.
4. Use of SIMPLE CALCULATOR is permissible. (Scientific/Higher Version not allowed)
5. English version is authentic.
Q. No.
Question and Option
1.
The process of reduction is
A.
Addition of electron
B.
Removal of electron
C.
Removal of hydrogen
D.
Addition of oxygen
1.
A.
B.
C.
D.
2.
PH of pure water
A.
More than 7
B.
Less than 7
C.
Equal to 7
D.
zero
2.
pH
A.
7
B.
7
C.
7
D.
3.
Batteries are composed of one or more cells, each containing
A.
Positive Electrode
B.
Negative Electrode
C.
Electrolyte
D.
All of the above
3.
A.
B.
C.
D.
4.
When two or more cells are connected in series they form
A.
Electrode
B.
Electrolyte
C.
Battery
D.
All of the above
4.
A.
B.
C.
D.
5.
If the pH meter shows the pH of solution 10, the solution is
A.
Acid
B.
Salt
C.
Base
D.
Pure Water
5.
pH pH
A.
B.
C.
D.
6.
Which instrument is used to measure accurate pH?
A.
pH Meter
B.
Colorimeter
C.
Spectrometer
D.
Hygrometer
6.
pH
A.
pH
B.
C.
D.
7.
The branch of chemistry that deals with the relations between electrical and chemical phenomena is called as
A.
Physical Chemistry
B.
Electrochemistry
C.
Metallurgy
D.
Thermodynamics
2/8
7.
A.
B.
C.
D.
8.
Which statement is true for an electrochemical cell?
A.
Oxidation occurs at the anode only
B.
Reduction occurs at the anode only
C.
Oxidation occurs at anode and cathode
D.
Reduction occurs at anode and cathode
8.
A.
B.
C.
D.
9.
pH range is in between
A.
0 to 7
B.
0 to 14
C.
1 to 14
D.
1 to 14
9.
pH
A.
0 7
B.
0 14
C.
1 14
D.
1 14
10.
In an electrochemical cell the metal with higher oxidation potential becomes
A.
Electrolyte
B.
Buffer
C.
Cathode
D.
Anode
10.
A.
B.
C.
D.
11.
Which material is used in Belt material?
A.
Rubber
B.
Leather
C.
Fabric
D.
All of the above
11.
A.
B.
C.
D.
12.
Which is the moving part of centrifugal pump?
A.
Impeller
B.
Volute
C.
Suction nozzle
D.
Diffuser
12.
A.
B.
C.
D.
13.
The basic function of an air dryer in a compressor is to
A.
Prevent dust from entering the
compressor
B.
Reduce the temperature of the air before it enters the next stage to increase efficiency
C.
Store and smoothen the pulsating air output
D.
Remove remaining traces of moisture
13.
A.
B.
C.
D.
14.
Which of the compressors is used to supply large quantities of air?
A.
Reciprocating
B.
Rotary screw
C.
Rotary vane
D.
Centrifugal
14.
A.
B.
C.
D.
15.
Material used to make impeller
A.
Steel
B.
Cast Iron
C.
Both of the above
D.
None of the above
15.
A.
B.
C.
D.
16.
Where is Bucket Elevators are used?
A.
Mining Industry
B.
Cement Industry
C.
Thermal Power Plant
D.
All of the above
3/8
16.
A.
B.
C.
D.
17.
Which is the principle of electrochemical cell?
A.
Conversion of Chemical energy into electrical energy
B.
Conversion of Electrical energy into Mechanical energy
C.
Mechanical into chemical energy
D.
None
17.
A.
B.
C.
D.
18.
Which is the value of pH of acidic compound?
A.
14
B.
C.
D.
7
18.
pH
A.
14
B.
C.
D.
7
19.
Which is the process of oxidation?
A.
Removal of electron from element
B.
Removal of oxygen from element
C.
Addition of electron in element
D.
All
19.
A.
B.
C.
D.
20.
Electrochemistry deal with study of conversation of…..
A.
Electrical energy into chemical energy
B.
Chemical energy into electrical energy
C.
None of the above
D.
Both of the above
20.
A.
B.
C.
D.
21.
Free energy of all spontaneous reaction always decreases is the statement of ……
A.
1st law thermodynamics
B.
2nd law thermodynamics
C.
3rd law thermodynamics
D.
Zero law thermodynamics
21.
A.
B.
C.
D.
22.
Which is the reaction of formation of bond?
A.
Exothermic
B.
Endothermic
C.
Both
D.
None
22.
A.
B.
C.
D.
23.
Entropy is the …..
A.
Law of thermodynamics
B.
Chemical property
C.
Measure of Randomness
D.
None
23.
A.
B.
C.
D.
24.
The entropy of a pure crystal is 0 at
A.
100 °Celcius
B.
0 °Celcius
C.
0 °Fahrenheit
D.
0 Kelvin
24.
A.
100
B.
0
C.
0
D.
0
25.
Energy neither created nor destroyed is the statement law of thermodynamic.
A.
First
B.
second
C.
third
D.
zeroth
25.
A.
B.
4/8
C.
D.
26.
Caffeine is extracted from coffee by which process
A.
Cracking
B.
Extraction
C.
Hydrogenation
D.
None
26.
A.
B.
C.
D.
27.
Which polymer is used as an insulator in electric cables?
A.
Teflon
B.
Poly propylene
C.
PVC
D.
None
27.
A.
B.
C.
PVC
D.
28.
The process in which breaking large molecule into small molecule is known….
A.
Hydrogenation
B.
Extraction
C.
Polymerization
D.
Cracking
28.
A.
B.
C.
D.
29.
The process of removal of hydrogen in known……
A.
Dehalogenation
B.
Dehydrogenation
C.
Hydrogenation
D.
None
29.
A.
B.
C.
D.
30.
Removal of pollutant from compound is done by which process.
A.
Hydrogenation
B.
Extraction
C.
Cracking
D.
Adsorption
30.
A.
B.
C.
D.
31
The process of taking something from one liquid and forcing it become dissolved in another liquid is known
A.
Drying
B.
Evaporation
C.
Batch process
D.
extraction
31.
A.
B.
C.
D.
32.
The process of formation of polymer is known
A.
Polymerization
B.
Adsorption
C.
Absorption
D.
Extraction
32.
A.
B.
C.
D.
33.
Addition of alkyl group from one molecule to another molecule is known
A.
Hydrogenation
B.
Dehydrogenation
C.
alkylation
D.
none of these
33.
A.
B.
C.
D.
34.
The process of breaking higher hydrocarbons into a variety of lower hydrocarbons that are more volatile (low boiling), is called
A.
Cracking
B.
Hydrogenation
C.
Isomerism
D.
All of the above
34.
A.
B.
5/8
C.
D.
35.
Processing technique by which the molecular structure of a hydrocarbon is rearranged to alter its properties is
A.
Isomerisation
B.
Crystallization
C.
Polymerisation
D.
Cracking
35.
A.
B.
C.
D.
36.
For all spontaneous reaction value of free energy is for a system
A.
Positive
B.
Negative
C.
zero
D.
All of these
36.
A.
B.
C.
D.
37.
According to first law of thermodynamics
A.
Total internal energy of a system during a process remains constant
B.
Work done by a system is equal to the heat transferred by the system
C.
Total energy of a system remains constant
D.
None of the above
37.
A.
B.
C.
D.
38.
The measurement of a thermodynamics property known as temperature is based on
A.
Zeroth Law
B.
First Law
C.
Second Law
D.
Third Law
38.
A.
B.
C.
D.
39.
Normal condition, the refrigerant enters in the compressor in an operating refrigeration system as a
A.
Dry saturated gas
B.
Superheated vapour
C.
Liquid
D.
Wet saturated gas
39.
A.
B.
C.
D.
40.
Chemical change that is accompanied by an absorption of heat is known as
A.
Exothermic
B.
Endothermic
C.
Absothermic
D.
Adiabatic
40.
A.
B.
C.
D.
41.
Chemical change that is accompanied by an release of heat is known as
A.
Exothermic
B.
Endothermic
C.
Absothermic
D.
Adiabatic
41.
A.
B.
C.
D.
42.
Type of impeller used in centrifugal pumps is ….
A.
Open
B.
Semi open
C.
Close
D.
All
42.
A.
B.
C.
D.
43.
Which is used to transfer liquid one place to another place?
A.
Pumps
B.
Compressor
C.
Conveyer
D.
All
43.
6/8
A.
B.
C.
D.
44.
Which are the advantages of centrifugal pumps?
A.
It has a small size
B.
It has a high weight
C.
It has a high maintenances cost
D.
It vibrates
44.
A.
B.
C.
D.
45.
Which from following decreases the volume increases the pressure of air
A.
Pumps
B.
Elevator
C.
Air compressor
D.
All
45.
A.
B.
C.
D.
46.
Which are types of impeller use in reciprocating pump?
A.
Open
B.
Semi Open
C.
Close
D.
None of above
46.
A.
B.
C.
D.
47.
Piston pump and plunger pump are types of pump
A.
Centrifugal
B.
Reciprocating
C.
Rotary
D.
Screw
47.
A.
B.
C.
D.
48.
is used for a transfer solid materials from one place to another place.
A.
Pump
B.
Compressor
C.
Belt Conveyor
D.
None of the above
48.
A.
B.
C.
D.
49.
Which is the not a type of pump
A.
Centrifugal pump
B.
Zig-zag Pump
C.
Reciprocating Pump
D.
Rotary Vane pump
49.
A.
B.
C.
D.
50.
Conveyer is used for
A.
Compression
B.
Combination
C.
drying
D.
Transportation
50.
A.
B.
C.
D.
51.
An instrument used for drying purpose is said as
A.
Dryer
B.
Evaporator
C.
Agitator
D.
Grinder
51.
A.
B.
C.
D.
52.
Output of spray dryer comes in the form of
A.
Powder form
B.
Liquid form
C.
Solid form
D.
Gaseous form
52.
A.
B.
C.
D.
7/8
53.
Operations combine to form
A.
Unit
B.
Process
C.
Data
D.
Variable
53.
A.
B.
C.
D.
54.
What is Agitation in unit operation?
A.
Drying
B.
Crushing
C.
Mixing
D.
Crystallization
54.
A.
B.
C.
D.
55.
Process is done in batches
A.
Continuous
B.
Batch
C.
Both of the above
D.
None of the above
55.
A.
B.
C.
D.
56.
Crushing is a process to
A.
Increase the size
B.
Evaporating
C.
Drying
D.
Decrease the size
56.
A.
B.
C.
D.
57.
The process of formation of solid from liquid or gas is known
A.
Evaporation
B.
Blending
C.
Crystallization
D.
Continues process
57.
A.
B.
C.
D.
58.
Which is the type of grinding mill?
A.
Wind mill
B.
Water mill
C.
Weeper mill
D.
All of these
58.
A.
B.
C.
D.
59.
The process of removal of water from another solvent is known
A.
Drying
B.
Evaporation
C.
Batch process
D.
all of these
59.
A.
B.
C.
D.
60.
The process in which physical change occurs during manufacturing of product is known…
A.
Unit process
B.
Unit operation
C.
Cracking
D.
none
60.
A.
B.
C.
D.
61.
The process of transfer material from one place to another place is known…..
A.
Grinding
B.
Centrifugation
C.
Conveying
D.
All
61.
A.
B.
C.
D.
62.
The method or technique used for manufacturing of product without interruption is
A.
Batch process
B.
Continuous process
C.
Evaporation
D.
Crushing
8/8
62.
A.
B.
C.
D.
63.
What is main function of filtration?
A.
Remove impurity from water
B.
Remove impurity from rubber
C.
Remove impurity from leather
D.
None of the above
63.
A.
B.
C.
D.
64.
Centrifugation process is used to distinguish
A.
Liquid from Liquid
B.
Solid from liquid
C.
Both of the above
D.
None of the above
64.
A.
B.
C.
D.
65.
Hydrogenation is the process of addition of
A.
Chlorine
B.
Hydrogen
C.
Bromine
D.
All of above
65.
A.
B.
C.
D.
66.
Vegetable Ghee is made by process
A.
Alkylation
B.
Isomerism
C.
Polymerisation
D.
Hydrogenation
66.
A.
B.
C.
D.
67.
A process occurs when a chemical is removed from one gas or liquid stream by mixing it with another stream is called as
A.
Hydrogenation
B.
Cracking
C.
Alkylation
D.
Absorption
67.
A.
B.
C.
D.
68.
PVC is obtained by process
A.
Alkylation
B.
Polymerisation
C.
Hydrogenation
D.
Cracking
68.
PVC
A.
B.
C.
D.
69.
Which law gives information about conservation of energy?
A.
First law of thermodynamics
B.
Second law of thermodynamics
C.
Third law of thermodynamics
D.
Zero law of thermodynamics
69.
A.
B.
C.
D.
70.
Burning of coal is the example of reaction
A.
Endothermic
B.
Exothermic
C.
Both
D.
None
70.
A.
B.
C.
D.
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