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WorksheetsTKT sem6
Total questions: 120
Worksheet time: 2hrs 0mins
Name
Class
Date
1.
Nanomedicine is application of nanotechnology in __________.
a)
Medicine
b)
Machine
c)
1 to 100nm
d)
1 to 1000nm
2.
Which is a mesoscopy range?
a)
100 to 2000nm
b)
1 to 100 nm
c)
10 to 100 nm
d)
100 to 1000nm
3.
What is Full form of FDA?
a)
Food and Drug Agency
b)
Federal Drug Agency
c)
Food and Drug Administration
d)
Federal Drug Administration
4.
A base pair in human genome dimension is ______.
a)
0.2 nm
b)
0.4 nm
c)
0.5 nm
d)
0.04 nm
5.
Which of the following is the regenrative medicine ?
a)
Nano robotics
b)
nano diagnostick
c)
Tissue engineering
d)
Nanoendoscopy
6.
Cancer targeting nanoparticles are coated with ______.
a)
Molecules
b)
Antibodies
c)
Antigen
d)
Monoclonal antibodies
7.
Full form of RES_________
a)
reticuloendothelial system
b)
rectoendothelial system
c)
radiotherapy system
d)
none of the above
8.
An attogram is ______ thousandth of a femtogram.
a)
once
b)
twice
c)
thrice
d)
half
9.
Width of a hair __________nm Dimension.
a)
55000
b)
50000
c)
30000
d)
500
10.
Nano capsules can be obtained by ______ polymerization.
a)
Interfacial
b)
Complex
c)
Both a & b
d)
none of the above
11.
Magnetic nano particles used in _______.
a)
Drug delivery system
b)
Micro phone
c)
Nano objects
d)
none of the above
12.
__________ is an exciting cancer treatment possibility and profiting for research and medical field.
a)
Chemotherapy
b)
Magnetic hyperthermia
c)
Both a & b
d)
none
13.
The interfacial deposition process to prepare nanocapsules also known as
a)
Nanoprecipitation
b)
Nanodeposition
c)
Nanointerfacial
d)
None of the above
14.
Which surfactant is used in the preparation of nanocapsules?
a)
Lipophilic
b)
Hydrophilic
c)
Both a) & b)
d)
None of the above
15.
Size evaluation of nanocapsulesis most frequently done by
a)
Photon Correlation Spectroscopy
b)
Scanning Electron Microscopy
c)
Transmission Electron Microscopy
d)
All of the above
16.
In which measurments are useful for the characterization of nano Capsule ?
a)
electron microscopy
b)
nano endoscopy
c)
Zeta potential
d)
none
17.
In which the nonsteriodal anti inflammatory agent ?
a)
Dextron
b)
Diclofenac
c)
Indomethacin
d)
Diclofenac and Indomethacin
18.
Chemical formula of Maghemite is _____.
a)
Fe3O4
b)
γ – Fe2O3
c)
Fe2O4
d)
None of the above
19.
M: Proteins are 1-20nm in size. , N: Nano is the smallest scale
a)
statement M and N both are true
b)
statement M and N are false
c)
Only statement M is true
d)
Only statment N is true
20.
Which process is used to insert normal genes into human cells to correct disorders?
a)
Gene Therapy
b)
Live Vector
c)
Molecular clonning
d)
Stem cell Theraoy
21.
The first nuclear power plant in the world was commissioned in.......
a)
U.S.S.R
b)
England
c)
U.S.A
d)
None of the above
22.
In all plant minimum quality of fuel is required in........
a)
Thermal power plant
b)
Nuclear power plant
c)
Gas turbine plant
d)
Hydro electric power plant
23.
The avarage thermal efficiency of modern nuclear power plant is about........
a)
0.3
b)
0.4
c)
0.8
d)
0.6
24.
Reflectors of a nuclear reactors are made of........
a)
Boron
b)
Beryllium
c)
Steel
d)
Cast iron
25.
The nuclear energy is measured as........
a)
MW
b)
Curie
c)
MeV
d)
None of the above
26.
Geothermal energy is the thermal energy present
a)
In the interior of the earth
b)
On the surface of the ocean
c)
On the surface of the earth
d)
None of the above
27.
The centre of earth is estimated to have a high temperature of about
a)
1,000 K
b)
10,000 K
c)
6,000 K
d)
4,000 K
28.
The molten rock within the earth is
a)
Igneous
b)
Sedimentary
c)
Metamorphic
d)
Magma
29.
The biomass fuelis burned in a…………to produce high-pressure steam.
a)
Boiler
b)
Open chamber
c)
Closed Chamber
d)
Water tank
30.
The biomass fuelis burned in aboilerto produce ………… steam.
a)
High-Pressure
b)
Low – Pressure
c)
Water-Pressure
d)
Vacuum -Pressure
31.
Gasifiers operate by heating biomass inan environment where the…………….. breaks down toforma flammable gas.
a)
Solid biomass
b)
Liquid biomass
c)
Glass biomass
d)
Gas biomass
32.
Anaerobic digestion is a commercially proven technology and is widely used for recycling and treating wet organic waste and waste …………….
a)
Waters
b)
Gas
c)
Plastic
d)
Rubber
33.
Fermentation that converts organic material into biogas, which mainly consists of methane and ……………. and is comparable to landfill gas.
a)
Oxygen
b)
Sulphur
c)
Silver
d)
Carbon dioxide
34.
The full form of MHD is _______.
a)
Magneto-Hydrodynamics
b)
Magneto-Hydrothermal
c)
Magneto-Hydroenengy
d)
None of the above
35.
Magnetohydrodynamic power generator, that generate electric power by means of the interaction of a moving fluid (usually an ionized gas or plasma) and _____________.
a)
Electric field
b)
Magnetic field
c)
Both a and b
d)
None of the above
36.
Magneto hydrodynamic (MHD) power plants offer the potential for _________.
a)
large-scale electrical power generation
b)
Small-scale electrical power generation
c)
Both a and b
d)
None of the above
37.
The minimum wind speed required to rotate wings is
a)
20km/hr
b)
15km/hr
c)
25km/hr
d)
5km/hr
38.
The average temperature gradient in the earth’s surface is ____oC /km depth
a)
30
b)
40
c)
50
d)
10
39.
The energetic splitting of large atoms such as Uranium or Plutonium into two smaller atoms is called ______ process.
a)
Fusion
b)
Fission
c)
Both a and b
d)
None of the above
40.
The process of producing energy by utilizing heat trapped inside the earth surface is called.................
a)
Hydrothermal energy
b)
Geo-thermal energy
c)
Solar energy
d)
Wave energy
41.
process of modifying or coating the surface of a component to enhance its properties is known as
a)
surface engineering
b)
surface processing
c)
surface modification
d)
none of the above
42.
Surface engineering is mainly used for improvement of which of the following properties?
a)
wear resistance
b)
thermal insulation
c)
high temperature oxidation
d)
all of the above
43.
chemisorption is which type of process?
a)
desorption
b)
adsorption
c)
absorption
d)
none of the above
44.
which force is responsible for physisorption?
a)
weak van der Waals forces
b)
covalent bonding
c)
ionic bond
d)
hydrogen bond
45.
which of the following is surface phenomenon?
a)
desorption
b)
adsorption
c)
absorption
d)
all of the above
46.
The process of electroplating is based on which law ?
a)
Lenz's law
b)
Faraday's law
c)
Stefan's Law
d)
Coulomb's Law
47.
which of the following reaction take place at anode?
a)
Ag(s) => Ag+(aq) + e
b)
Ag+(aq)+ e =>Ag(s)
c)
2Ag+(aq)+ 2e =>Ag2+
d)
None of the above
48.
Adding common salt to distilled water makes it
a)
Good conductor
b)
Insulator
c)
pure water
d)
Both a and b
49.
In laser cladding, the exposure time is??
a)
short
b)
long
c)
very long
d)
does not expose
50.
Electron beam hardening is typically used to _______ a very thin surface layer of an object by raising it to a specific temperature and then allowing it to cool.
a)
soften
b)
smoothen
c)
harden
d)
rough
51.
DLC stands for _____.
a)
diamond like coating
b)
diamond layer coating
c)
diamond like casting
d)
Differential like coating
52.
which of the following is class of DLC?
a)
hydrogen free amorphous carbon (a-C)
b)
hydrogenated amorphous carbon (a-C:H)
c)
both A and B
d)
hydrogenated glassy carbon (a-C:H)
53.
which of the following is property of DLC?
a)
infrared transparency
b)
tunable optical coefficients
c)
room temperature photoluminescence
d)
all of the above
54.
which of the following is property of conductive coating ?
a)
optically transparent
b)
Low micro roughness
c)
Electrically conductive
d)
all of the above
55.
Sol-gel method is ________ chemical process.
a)
Dry
b)
Wet
c)
Semi liquid
d)
Semi solid
56.
After drying process the liquid phase is removed from the gel and ___________ is performed.
a)
Calcination
b)
De-oxygenation
c)
Oxygenation
d)
Hydrogenation
57.
Select the correct chronological order of sol gel process.
a)
hydrolysis, drying,polycondensation
b)
hydrolysis, polycondensation, drying.
c)
polycondensation, hydrolysis, drying.
d)
drying, polycondensation, hydrolysis
58.
which lamps are used in UV cured coating ?
a)
hydrogen lamp
b)
mercury vapor lamps
c)
chlorine
d)
none of the abobe
59.
The cathode of transmission electron microscope consists of a ____________________
a)
tungsten wire
b)
bulb
c)
iron filament
d)
gold wire
60.
How wear loss can be reduced?
a)
decreasing contact load
b)
reducing sliding distance
c)
reducing k value
d)
all of the above
61.
Which of the following is weak magnetism?
a)
Antiferromagnetism
b)
Ferromagnetism
c)
Diamagnetism
d)
Ferromagnetism
62.
statement-I : Origin for magnetism in Ferro magnetic materials are due to spin magnetic moment. statement-II : Paramagnetic material shows random spin alignment.
a)
statement I is true and statement II is false
b)
only statement I is true
c)
only statement II is true
d)
Both statement I and statement II are true
63.
The boundaries between magnetic domain is defined as ?
a)
Bloch walls
b)
curie wall
c)
neel wall
d)
block wall
64.
soft magnetic materials can be used as _______ and hard magnetic materials can be used as ____.
a)
permanent magnets, electromagnets
b)
electromagnets, permanent magnets
c)
permanent magnets, permanent magnets
d)
electromagnets, electromagnets
65.
Which of the following is correct for critical diameter(D) and saturation magnetization(Ms)?
a)
D ∝ Ms
b)
D ∝ 1/Ms
c)
D ∝ Ms^2
d)
D ∝ 1/Ms^2
66.
According to the magnetic domain theory, the critical size of the single domain is affected by which of the following factors?
a)
magnetic saturation
b)
crystal anisotropy
c)
exchange forces
d)
all of these three factors
67.
what happens to coercivity, the particle size is reduced?
a)
the coercivity increases to a maximum and then decreases toward zero
b)
the coercivity increases to a maximum and reaches infinity
c)
the coercivity decreases toward zero
d)
does not affect coercivity
68.
What is the reason behind extremely thin hysterisis loop of nanomagnets?
a)
no remanence and negligible coercivity
b)
large remanence and large coercivity
c)
no remanence and high coercivity
d)
large remanence and negligible coercivity
69.
Which of the following is property of magnetic nanoparticle?
a)
nonvirulence
b)
nonimmunogenicity
c)
nonvirulence and nonimmunogenicity
d)
none of the above
70.
Magnetic nanoparticles can carry a large amount of DNA fragments, drugs, and modified compounds beacause of which of the following effect?
a)
large specific surface area
b)
large specific volume
c)
narrow hysterisis loop
d)
none of the above
71.
Magnetic nanoparticles shows which type of magnetism?
a)
diamagnetism
b)
antiferromagnetism
c)
superparamagnetism
d)
all of these
72.
Which base fluids are used for making nanofluids?
a)
water
b)
oil
c)
ethylene glycol
d)
all of these
73.
What is major problem with fluids containing millimeter- or micrometer-sized particles?
a)
rapid settling of the particles
b)
easy dissolution of particle
c)
slow disspersion
d)
None of these
74.
The amount of heat needed to increase the temperature of one gram of nanofluid by one degree Celsius is known as?
a)
heat capacity
b)
effective density
c)
specific heat
d)
none of these
75.
The viscosity of nanofluid is always _____ than base fluid.
a)
greater
b)
smaller
c)
negligible
d)
none of these
76.
Which of the following is preparation methods of nanofluid?
a)
Single step method
b)
Two step method
c)
three step method
d)
Single step and two step mathod
77.
The method involves the preparation of nanoparticles and dispersion of them in the host or base fluid simultaneously is known as ??
a)
Single step method
b)
Two step method
c)
three step method
d)
Single step and two step mathod
78.
Which of the following can be used for synthesis of magnetic nanoparticle?
a)
Co-precipitation
b)
Hydrothermal
c)
Sol-Gel
d)
all of these
79.
In which technique adequate chemical precursors are dissolved in water and placed in vessel made of steel?
a)
Co-precipitation
b)
Hydrothermal
c)
Sol-Gel
d)
Microwave
80.
Which of the following material can be used in drug delivery?
a)
Fe3O4
b)
TiO2
c)
ZnO
d)
CdO
81.
If the positive terminal of the battery is connected to the anode of the diode, then it is known as
a)
Forward biased
b)
Reverse biased
c)
Equilibrium
d)
Schottky barrier
82.
Zener diodes are also known as
a)
Voltage regulators
b)
Forward bias diode
c)
Breakdown diode
d)
None of the mentioned
83.
In Zener diode, for currents greater than the knee current, the v-i curve is almost
a)
Almost a straight line parallel to y-axis
b)
Almost a straight line parallel to x-axis
c)
Equally inclined to both the axes with a positive slope
d)
Equally inclined to both the axes with a negative slope
84.
Which of the following isn’t a type of rectifier?
a)
Precision Half-wave Rectifier
b)
Bridge Rectifier
c)
Peak Rectifier
d)
None of the mentioned
85.
For NMOS transistor which of the following is not true?
a)
The substrate is of p-type semiconductor
b)
Inversion layer or induced channel is of n type
c)
Threshold voltage is negative
d)
None of the mentioned
86.
Lithography process is used _____?
a)
to pattern layer on chip
b)
fabrication of NMOS
c)
Fabrication of PMOS
d)
Fabrication of CMOS
87.
CMOS technology is used in developing
a)
microprocessors
b)
microcontrollers
c)
digital logic circuits
d)
all of the mentioned
88.
In D flip-flop, D stands for _____________
a)
Distant
b)
Data
c)
Desired
d)
Delay
89.
P-well is created on
a)
p substrate
b)
n substrate
c)
p & n substrate
d)
none of the mentioned
90.
For a p channel MOSFET which of the following is not true?
a)
The source and drain are a p type semiconductor
b)
The induced channel is p type region which is induced by applying a positive potential to the gate
c)
The substrate is a n type semiconductor
d)
None of the mentioned
91.
If the decimal number is a fraction then its binary equivalent is obtained by ________ the number continuously by 2.
a)
Dividing
b)
Multiplying
c)
Adding
d)
Subtracting
92.
The largest two digit hexadecimal number is ________
a)
(FE)16
b)
(FD)16
c)
(FF)16
d)
(EF)16
93.
A full adder logic circuit will have __________
a)
Two inputs and one output
b)
Three inputs and three outputs
c)
Two inputs and two outputs
d)
Three inputs and two outputs
94.
The gates required to build a half adder are __________
a)
EX-OR gate and NOR gate
b)
EX-OR gate and OR gate
c)
EX-OR gate and AND gate
d)
EX-NOR gate and AND gate
95.
How many truth table entries are necessary for a four-input circuit?
a)
4
b)
8
c)
12
d)
16
96.
Which input values will cause an AND logic gate to produce a HIGH output?
a)
At least one input is HIGH
b)
At least one input is LOW
c)
All inputs are HIGH
d)
All inputs are LOW
97.
The truth table for an S-R flip-flop has how many VALID entries?
a)
1
b)
2
c)
3
d)
4
98.
Which of the following is correct for a gated D-type flip-flop?
a)
The Q output is either SET or RESET as soon as the D input goes HIGH or LOW
b)
The output complement follows the input when enabled
c)
Only one of the inputs can be HIGH at a time
d)
The output toggles if one of the inputs is held HIGH
99.
A basic S-R flip-flop can be constructed by cross-coupling of which basic logic gates?
a)
AND or OR gates
b)
XOR or XNOR gates
c)
NOR or NAND gates
d)
AND or NOR gates
100.
The logic circuits whose outputs at any instant of time depends only on the present input but also on the past outputs are called
a)
Combinational circuits
b)
Sequential circuits
c)
Latches
d)
Flip-flops
101.
What is a Polymer?
a)
A long chain molecule made of many smaller molecules called monomers
b)
A small molecule made of one atom
c)
A large molecule made of twisted chains
d)
A large molecule in the shape of the letter "P"
102.
Which one of these is NOT true?
a)
Polymers are made of monomers
b)
Zinc is a great atom for making polymers because of its four valence electrons.
c)
Linear polymers tend to be stretchy.
103.
Which one of the following is NOT a natural polymer?
a)
DNA
b)
Carbohydrates
c)
Polyethylene
d)
Latex
104.
Which of the following is NOT a synthetic or man-made polymer?
a)
Polypropylene
b)
Nylon
c)
Teflon
d)
Carbohydrates
105.
Which one of the following polymer structures is known to be STRONG?
a)
Linear
b)
Branched
c)
Ring
106.
The Greek work "plasticos" literally means....
a)
Moldable, able to be shaped
b)
Weak
c)
Easy to break
d)
all of these
107.
Plastics are made from this starting material.
a)
Plants
b)
Petroleum or oil
c)
Dirt
d)
None of the above
108.
Which of the following monomers are unsuitable for condensation polymerization?
a)
propanoic acid and ethanol
b)
butane-dioic acid and glycol
c)
diamines and dicarboxylic acids
d)
hydroxy acids
109.
Which of the following is true for the resultant polymer product formed, when molecules of pthalic acid react with molecules of glycerol?
a)
branch polymer
b)
cross-link polymer
c)
linear polymer
d)
none of the mentioned
110.
Which among the following polymers have lowest solubillty?
a)
polyethylene
b)
polystyrene
c)
nylon 6
d)
epoxy resin
111.
Which of the following polymer exhibit a lower value of molar cohesion?
a)
wool
b)
silk
c)
vulcanized rubber
d)
polystyrene
112.
What is the range of tensile strength, exhibited by fibres?
a)
300-3,000
b)
4,000-15,000
c)
20,000-150,000
d)
5,000-10,000
113.
Which of the following kind of polymers are known for their high crystallinity?
a)
isotactic
b)
syndiotactic
c)
atactic
d)
none of the mentioned
114.
Which of the following polymer type is not classified on the basis of its application and properties?
a)
rubbers
b)
plastics
c)
fibres
d)
synthetic
115.
Which of the following is a thermosetting polymer?
a)
polystyrene
b)
polyolefins
c)
nylons
d)
phenolic resins
116.
The characteristics of condensation polymerization are given below-, I. only −C−C− linkages present in the polymer structure, II. use of bifunctional or polyfunctional monomers, III. elimination of a small byproduct molecule. Which of the following is true?
a)
I, II, III
b)
II and III
c)
I and II
d)
Only III
117.
The plastic bottles shown in this picture are made of what TYPE of polymer?
a)
Natural
b)
Synthetic
(man-made)
c)
DNA
d)
Latex
118.
This
shape of a polymer, because of the branching structure, will most likely have
what property?
a)
Stretchy
b)
Stores
energy
c)
Strong
and able to hold weight
119.
Which
of the following recycling codes would be found on the bottom of a plastic
water bottle?
a)
5, PP
b)
4, LDPE
c)
1, PETE
d)
3, V
120.
Which of the following is a thermosetting polymer?
a)
polystyrene
b)
polyethylene
c)
nylons
d)
epoxy
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