Quiz Archives - Page 3 of 53

May 31, 2022 Quiz

Food Science & Technology Quiz (31-05-2022)

Q1. _________ is the amount of heat contained in air. Enthalpy Specific volume Specific heat dry bulb temperature ANSWER: A. Enthalpy Explanation – Enthalpy is the amount of heat contained in air. The enthalpy of air at a reference temperature ...

May 30, 2022 Quiz

Food Science & Technology Quiz (30-05-2022)

Q1. ________ is a very common refrigerant used extensively in high capacity refrigeration plant. Nitrogen Ammonia CO2 Oxygen ANSWER: B. Ammonia Explanation – Ammonia is a common refrigerant that is often utilized in large refrigeration plants. It meets the majority ...

May 28, 2022 Quiz

Food Science & Technology Quiz (28-05-2022)

Q1. The heat of vaporization is __________-dependent. Pressure Temperature pH All of the above ANSWER – B. Temperature Explanation: The heat of vaporization is temperature-dependent, yet for narrow temperature ranges and lower temperature Tr1.0, a constant heat of vaporization can be ...

May 27, 2022 Quiz

Food Science & Technology Quiz (27-05-2022)

Q1. The plastic raw material (resin) for packaging material is in the form of _____. Powder Tablets Gum Pellets ANSWER: D. Pellets Explanation – Pellets are used to make the plastic raw material (resin). In various operations, powdered plastics are ...

May 26, 2022 Quiz

Food Science & Technology Quiz (26-05-2022)

Q1. Pathogenic bacteria cannot grow below a water activity of? 0.45–0.56 0.35–0.46 0.65–0.76 0.85–0.86 ANSWER: D. 0.85–0.86 Explanation – Water is a necessary component of all diets. A microorganism or a group of microorganisms can no longer multiply if their ...

May 25, 2022 Quiz

Food Science & Technology Quiz (25-05-2022)

Q1. _____ can be done either “hot” or “cold.” Enfleurage Maceration Steam Distillation Solvent extraction ANSWER: A. Enfleurage Explanation – Although enfleurage is no longer widely used, it is one of the earliest processes of essential oil extraction that uses ...

May 24, 2022 Quiz

Food Science & Technology Quiz (24-05-2022)

Q1. Aflatoxins are produced by_____________. Penicillium Aspergillus Rhizopus Alternaria ANSWER: B. Aspergillus Explanation – Aflatoxins are produced by Aspergillus. Aflatoxins are a group of poisons generated by a fungus that can be found on crops such as corn, peanuts, cottonseed, ...

May 23, 2022 Quiz

Food Science & Technology Quiz (23-05-2022)

Q1. Emulsifying salts are also called as _______. Melting salts Chelating salts Citric salts Both A and B ANSWER: D. Both A and B Explanation – Emulsifying salts (ES), also known as "melting salts" or "chelating salts," are Na, K, ...

May 22, 2022 Quiz

Food Science & Technology Quiz (22-05-2022)

Q1. Parabens are effective in? Low acid foods High acid foods Intermediate acid foods All of the above ANSWER – A. Low acid foods Explanation: Preservatives such as parabens are utilized. The parabens, unlike other antimicrobials, are active up to pH ...

May 20, 2022 Quiz

Food Science & Technology Quiz (20-05-2022) The pH of the value of vinegar is between 2-3.5

Q1. The pH of the value of vinegar is between ______. 1-1.5 2-3.5 3.5-4 7-8 ANSWER – B. 2-3.5 Explanation: Vinegar is one of the earliest culinary products known to man. It is believed to have been discovered by chance from ...

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