Top 350+ Solved Information Retrival Techniques MCQ Questions Answer
Q. Which of the following compute analysis of variance table for fitted model?
a. ecdf()
b. cum()
c. anova()
d. bwplot()
Q. Which of the following is used to find variance of all values?
a. var()
b. sd()
c. mean()
d. anova()
Q. Which of the following is not a source used in Mid Infrared Spectrophotometer?
a. nernst glower
b. high pressure mercury arc lamp
c. globar
d. nichrome wire
Q. Which of the following is the wave number of near infrared spectrometer?
a. 4000 – 200 cm-1
b. 200 – 10 cm-1
c. 12500 – 4000 cm-1
d. 50 – 1000 cm-1
Q. Which of the following options are correct in terms of wavelength for the different types of IR spectrometer?
a. near ir: 0.8 – 2.5 mm
b. mid ir: 0.8 – 2.5 mm
c. far ir: 2.5 – 50 mm
d. mid ir: 50 – 100 mm
Q. Which of the following is not a composition of Nernst glower or Nernst filament?
a. oxides of zirconium
b. oxides of barium
c. oxides of yitrium
d. oxides of thorium
Q. Bolometer, a type of detector, is also known as
a. resistance temperature detector (rtd)
b. thermistor
c. thermocouple
d. golay cell
Q. Which of the following is not a technique for preparing solid samples in IR spectroscopy?
a. solids run in solution
b. mull technique
c. solid films
d. thin films
Q. Which of the following is not used as pyroelectric material used in pyroelectric transducers in Infrared spectroscopy?
a. triglycine sulphate
b. deutrated triglycine sulphate
c. some polymers
d. tetraglycine sulphate
Q. spectroscopy?
a. expansion of gas upon heating
b. increase in resistance due to an increase in temperature and vice versa
c. temperature difference gives rise to a potential difference in the material
d. decrease in resistance due to an increase in temperature
Q. In a solid sample treatment technique, the finely ground solid sample is mixed with mineral oil to make a thick paste which is then spread between IR transmitting windows. What is the name of this solid sample treatment technique?
a. pressed pellet
b. mull technique
c. solid films
d. solids run in solution
Q. What is the definition of Boolean functions?
a. an arithmetic function with k degrees such that f:y–>yk
b. a special mathematical function with n degrees such that f:yn–>y
c. an algebraic function with n degrees such that f:xn–>x
d. a polynomial function with k degrees such that f:x2–>xn
Q. A value is represented by a
a. numerical logic
b. boolean algebra
c. arithmetic logic
d. boolean number