1. The sterilization method depends
A. nature of additive
B. volume and feed rate
C. both (a) and (b)
D. none of these
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2. 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
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3. The interception efficiency can be expressed as (where dp is the particle diameter and Dc cylindrical collection diameter)
A. dp/Dc
B. dpx Dc
C. dp/Dcx 100
D. dpDc/100
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4. 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. eE/RT
D. Δ = A.t.T
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5. The del factor (Δ) increases as the final number of cells
A. decreases
B. increases
C. zero
D. constant
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