FY->Module-11 : Domestic appliances - Practice Mode

1) Which material is used as heat insulator in between the outer casing and inner tank of a geyser? | ಗೀಸರ್‌ನ ಹೊರಕವಚ ಮತ್ತು ಒಳಗಿನ ತೊಟ್ಟಿಯ ನಡುವೆ ಯಾವ ವಸ್ತುವನ್ನು ಶಾಖ ನಿರೋಧಕವಾಗಿ ಬಳಸಲಾಗುತ್ತದೆ?
Correct Answer: Glass wool | ಗಾಜಿನ ಉಣ್ಣೆ
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