Autoclaves MCQs : This section focuses on the "Autoclaves" in Waste Water Engineering. These Multiple Choice Questions (MCQs) should be practiced to improve the Waste Water Engineering skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
A waste autoclave is a form of solid waste treatment that uses heat, steam and pressure of an industrial autoclave in the processing of waste.
C. Can be true or false
D. Can not say
Explanation: A waste autoclave is a form of solid waste treatment that uses heat, steam and pressure of an industrial autoclave in the processing of waste.
Waste autoclaves process waste in?
C. Both A and B
D. None of the above
Explanation: Waste autoclaves process waste either in batches or in continuous-flow processes.
In batch processes, saturated steam is pumped into the autoclave at temperatures around?
A. 80 degree
B. 100 degree
C. 125 degree
D. 160 degree
Explanation: In batch processes, saturated steam is pumped into the autoclave at temperatures around 160 degree.
The autoclave process gives a ___________ pathogen and virus kill rate.
B. very high
D. very low
Explanation: The autoclave process gives a very high pathogen and virus kill rate, although the fibrous products which come from the process are susceptible to bacteria and fungus as they are high in starch, cellulose and amino acids.
____________ has developed and built a municipal solid waste treatment plant based on an autoclaves system
Explanation: ECOHISPANICA has developed and built a municipal solid waste treatment plant based on an autoclaves system called Waste Cleaner. It is the first system able to process municipal solid waste (MSW) in continuous mode.
Autoclaves are used in the medical applications to perform ______
Explanation: Autoclaves are used in medical applications to perform sterilization and in the chemical industry to cure coatings and vulcanize rubber for hydrothermal synthesis. There are other industrial applications also.
What is the common temperature used in autoclaves?
A. 109 degree
B. 122 degree
C. 135 degree
D. 142 degree
Explanation: Many autoclaves are used to sterilize the equipment and supplies by subjecting them to high-pressure saturated steam at 121 °C (249 °F) for around 15–20 minutes depending on the size of the load and the contents.
Who invented the autoclave?
B. Arnold O. Beckman
C. Antonie van Leeuwenhoek
D. Charles Chamberland
Explanation: Pasteur invented hot air oven. Charles Chamberland invented autoclave. Arnold O. Beckman invented pH meter. Antonie van Leeuwenhoek is considered as the father of microbiology.
What is the inner surface of autoclaves made of?
A. Mild steel
C. Stainless steel
Explanation: There is a horizontal and vertical type of autoclave. In vertical autoclaves, the whole autoclave is made of stainless steel and the outer surface is made of mild steel. Vertical autoclaves are used mainly for the sterilization process.
When designed for sterilizing waste containing mostly liquids, a waste autoclave is known as an Effluent Decontamination System.
C. Can be yes or no
D. Can not say
Explanation: Yes, When designed for sterilizing waste containing mostly liquids, a waste autoclave is known as an Effluent Decontamination System.