ExamAdept

The overall del factor (Δ) may be represented as

A:

Δ_overall = Δ_heating + Δ_holding- Δ_cooling

B:

Δ_overall = Δ_heating + Δ_holding+ Δ_cooling

C:

Δ_overall = Δ_heating - Δ_holding+ Δ_cooling

D:

Δ_overall = Δ_heating - Δ_holding- Δ_cooling

Answer: B

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The del factor (Δ) increases as the final number of cells

A:

decreases

B:

increases

C:

zero

D:

constant

Answer: A

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The relationship between the del factor, temperature and time is given as

A:

Δ = A.t. e^-E/RT

B:

Δ = 1/(A.t. e^-E/RT)

C:

Δ = A.t. e^E/RT

D:

Δ = A.t.T

Answer: A

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The interception efficiency can be expressed as (where d_p is the particle diameter and D_c cylindrical collection diameter)

A:

d_p/D_c

B:

d_p x D_c

C:

d_p/D_c x 100

D:

d_pD_c/100

Answer: A

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The specific death rate of an organism can be expressed as

A:

ln 2/D

B:

D/ln2

C:

D.ln2

D:

2.0.3/ln2

Answer: A

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Questions for: Sterilization