Q.25
Lactometers, as per BIS specifications are calibrated at
EXPLANATION
Raw Milk Microflora & Spoilage Dynamics: Succession from Bactericidal Stage to Acidification
- BIS Specifications for Lactometer Calibration:
- Bureau of Indian Standards (IS: 9585):
- Indian standard lactometers (such as Zeal and Quevenne types) are officially calibrated at $27^\circ\text{C}$ ($80.6^\circ\text{F}$), reflecting tropical ambient Indian dairy processing conditions.
- Temperature Correction Formula:
- Conclusion: 27°C (Option 1).
Correct option: (1) 27°C
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