Top 150+ Solved Principles of Food Preservation MCQ Questions Answer
Q. Filling of sterile containers with commercially sterile product is known as
a. passive packaging
b. active packaging
c. intelligent packaging
d. aseptic packaging
Q. Which of the following steps is not included in aseptic packaging?
a. sterilizing product before filling
b. hermetic sealing
c. aseptic filling
d. sterilizing product after filling
Q. Sterilization using irradiation is done by
a. non-ionizing radiation
b. ionizing radiation
c. chemical treatment
d. thermal treatment
Q. Which of the following is used for ionizing radiation?
a. infrared radiation
b. microwave radiation
c. radiowave radiation
d. gamma radiation
Q. Which of the following is a chemical used in aseptic packaging?
a. chlorine peroxide
b. lithium oxide
c. hydrogen peroxide
d. hydrogen sulfide
Q. Which of the following is used for checking integrity of aseptic packaging material?
a. sterility test
b. drop test
c. bursting test
d. grammage test
Q. Which of the following is an application of cold working?
a. extrusion
b. forging
c. hot rolling
d. deep drawing
Q. What does the term soaking signify?
a. heating to a required temperature
b. holding at a constant temperature
c. cooling the material
d. heating for a long time
Q. Which of the following will not happen when metal is cooled fast in annealing?
a. warping of material
b. cracking of material
c. formation of thermo elastic stresses
d. strength increase