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WorksheetsPCC Examination
Total questions: 43
Worksheet time: 26mins
I. aldehydes
II. esters
III. ethers
FTIR is
Fourier Transform Infrared surface
Fourier Transform Infrared spectrophotometer
Field Transform Infrared spectrophotometer
Fourier Transmission Infrared spectrophotometer
Finger print regin is -------cm-1
1000-1600
2400-3500
200-1700
500-1500
What does TEM stand for?
transmission electron microscope
translation electron microscope
telepathic electron microscope
tori eats mangos
What does SEM stand for?
scanning electron microscope
sandwich electron microscope
soft electron microscope
Sara eats margarine
What is the expansion of
FESEM?
Field Exception Straightening Electron Machine
Field Emission Scanning Electron Microscope
Force Emission Scanning Electron Microscope
Field Electron Scanning Emission Microscope
In FESEM which one of the following is used to illumine objects?
X-rays
LED bulb
Tungsten bulb
electron beam
The transformation of a liquid into spray of small droplets of aerosols is called (a) .
Select the process occuring during atomization
desolvation
nebulization
combustion
volatilization
Explain why source modulation is employed in AAS.
to eliminate interference caused by emission of the
radiated flame from analyte atoms and flame gas
species.
to tune the monochromator to a different spectral line for the element of interest so that there is no overlap.
to distinguish between the component of radiation
arising from the source and the component of
radiation arising from the flame background.
Thermal analysis is defined as
Measurement of concentration of materials as a function of temperature
Measurement of solubility of materials as a function of temperature
Measurement of physical properties as a function of temperature
Measurement of line positions of crystals as a function of temperature
Thermogravimetry is used to
Study the decomposition
Study the stability of the substance
To check the presence of impurities
All the above
Which among the following factors does not affect the TGA
Weight of the sample taken
Heating rate
Furnace atmosphere
Particle size of the sample
Plot of weight of the sample versus temperature is called
Thermocouple
Thermopile
Thermogram
Thermocurve
1. What is does Profilometer measures?
Surface thickness
Surface roughness
Surface density
Surface volume
What is the light source in 3D optical Profilometer
Laser
UV
White LED
None of the above
3D optical Profilometer is a
Contact Profilometer
Non-contact Profilometer
Pseudo contact Profilometer
None of the above
3D Profilometer captures
2D images
3D images
Both 2D and 3D images
None of the above
What sort of samples can be recorded in 3D optical Profilometer?
Inorganic
Organic
Solid
Except liquids
What is the type of Camera used in Zeta-20 3D optical Profilometer?
DSLR camera
CCD camera
Film camera
Camera is not used
Gaseous samples can be captured by 3D optical Profilometer
I agree
I disagree
No opinion
None of the above
X-ray diffractometers provides ........... information about the compounds present in the solid sample.
Quantitative
Qualitative
Quantitative & qualitative
Either quantitative or qualitative
X-ray diffractometers are not used to identify the physical properties of which of the following?
Metals
Liquids
Polymeric materials
Solids
X-rays exhibits wavelength of the order
10nm – 0.01nm
1 nm -0.01nm
100nm -1 nm
10nm- 1nm
1. FWHM stands for
Full Width- Half Maximum
Full wave- Half Maximum
Full width - Half Minimum
None of the above
1. JCPDS stands for
Joint Committee on Powder Diffraction study
Joint Committee on Powder Diffraction Standards
Joint Crystallography on Powder Diffraction Standards
None of the above
A standard material used as a reference for XRD is
a) Strontium
b) Silica
c) Sodium
d) All of the above
The maximum permissible limit for suspended solids is ____________
10 mg/l
20 mg/l
30 mg/l
40 mg/l
Which of the following represents the physical characteristics of water?
Chloride content
BOD
Turbidity
COD
Nano particles target the rare _______ causing cells and remove them from blood.
a) Tumour
b) Fever
c) Infection
d) Cold
Due to _________ tensile strength some of the nano materials are used in air crafts.
a) High
b) Low
c) Moderate
d) No
The carbon source in arc discharge method for the production of carbon nanotube is
hydrocarbon
graphite
sodium
iron
carbon nanotube is used as .............
biosensor
semiconductor
electrode in batteries
all of the above
What do you think is a holistic approach for characterization of materials taking one material as an example?
Which is the session that impressed you the most?
What are the other topics you wish to have on future events?
Give a research design based on the techniques you learnt.
