Statement 1: Which of the following methods is used to determine process times for products?Statement 2: Which of the conditions is the above method used in?

Slowest heating-fastest cooling composite data from heat penetration studies will be excess under sanitary conditions

Inoculated pack studies, will be inadequate under poor processing conditions

Statistical evaluation, will be inadequate under poor processing conditions

All of the mentioned, all of the mentioned

Which of the following factor does safe processing schedule depend upon?

Heat resistance of spoilage bacteria

Heat penetration characteristics of food in containers

Heat resistance of spoilage bacteria & Heat penetration characteristics of food in containers

C and z value of thermal death time curve

Number of degrees which exist between the retort temperature and the maximum temperature

1.	Statement 1: Corrosion of cans is more complicated than that of tin and iron alone. Depending on whether the tin forms a complex or not, it acts as the anode or cathode. Statement 2: In the corrosion process, if hydrogen is not evolved, it exerts a back pressure and opposes further oxidation of iron.
A.	True, False
B.	True, True
C.	False, False
D.	False, True
Answer» C. False, False

2.	Statement 1: The swelling of cans takes place due to the release of hydrogen gas. Statement 2: The swelling of cans takes place due to the release of carbon dioxide gas due to molasses and malt extracts.
A.	True, False
B.	True, True
C.	False, False
D.	False, True
Answer» C. False, False

3.	Statement 1: In low and medium acid foods, spore forming organisms are observed. Statement 2: In acidic products, the organisms must be yeasts, molds etc.
A.	True, False
B.	True, True
C.	False, False
D.	False, True
Answer» C. False, False

4.	Statement 1: Which of the following methods is used to determine process times for products? Statement 2: Which of the conditions is the above method used in?
A.	Slowest heating-fastest cooling composite data from heat penetration studies will be excess under sanitary conditions
B.	Inoculated pack studies, will be inadequate under poor processing conditions
C.	Statistical evaluation, will be inadequate under poor processing conditions
D.	All of the mentioned, all of the mentioned
Answer» E.

5.	For heat penetration considerations for safe processing schedule, the slowest cooling and the fastest heating curves are used to calculate lethal effect of the process.
A.	True
B.	False
Answer» C.

6.	Which of the following factor does safe processing schedule depend upon?
A.	Heat resistance of spoilage bacteria
B.	Heat penetration characteristics of food in containers
C.	Heat resistance of spoilage bacteria & Heat penetration characteristics of food in containers
D.	Neither of the mentioned
Answer» D. Neither of the mentioned

7.	When a CUT is 10 minutes and the calculated process was 60 minutes at 116 deg C, then the corrected process time is _____
A.	60 minutes
B.	55 minutes
C.	55.8 minutes
D.	54.2 minutes
Answer» D. 54.2 minutes

8.	Which of the following is required for calculation of process time by Ball s method?
A.	C and z value of thermal death time curve
B.	Cold point of the container
C.	Number of degrees which exist between the retort temperature and the maximum temperature
D.	All of the mentioned
Answer» E.

9.	Statement 1: In thermal death time curve, after plotting C/t values from it, C value should be equal to C_o value. Statement 2: When C_o value versus process time in minutes is plotted on a linear graph paper, a straight line is obtained.
A.	True, False
B.	True, True
C.	False, False
D.	False, True
Answer» C. False, False