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TLS Online TPP Program
#Question id: 34349
#XL - S Microbiology
Which of the following plots can be used to determine TDT and Z-value?
TLS Online TPP Program
#Question id: 34350
#XL - S Microbiology
Which of the following conclusions can be drawn if TDT decreases as temperature increases?
TLS Online TPP Program
#Question id: 34351
#XL - S Microbiology
A microbial population is reduced from 1 × 106 CFU/mL to 1 × 103 CFU/mL after 9 minutes at 121°C. Assume first-order kinetics. What is the D-value (in minutes) at 121°C?
TLS Online TPP Program
#Question id: 34352
#XL - S Microbiology
The D-value for a microorganism is 4 minutes at 120°C and 0.4 minutes at 130°C.
What is the Z-value (in °C)?
TLS Online TPP Program
#Question id: 34353
#XL - S Microbiology
The D-value at 121°C for a bacterial spore is 2 minutes.
How long (in minutes) will it take to reduce the population from 1 × 106 to 1 cell?
TLS Online TPP Program
#Question id: 34354
#XL - S Microbiology
If a heat treatment at 70°C with a D-value of 5 minutes is applied for 20 minutes, how many log reductions of the microorganism population will occur?