D. Tick (✓) the most appropriate answer. 1. A thick glass tumbler cracks when boiling hot water is poured into it because :(a) glass is a bad conductor of heat(b) inner surface of glass expands morethan outer surface(c) outer surface of glass expands morethan inner surface(d) both (a) and (b).2. A bimetallic strip of brass and iron is straightat room temperature. When this bimetallic strip is heated it bends, such that :(a) iron takes the outer surface of bend(b) brass takes the outer surface of bend(c) the bimetallic strip does not bend(d) none of these3. Small gaps are left between railway linesbecause :(a) we cannot have rails of very long lenghtb ) it allows for expansion of rails during summerc)it allows for contraction of rails during summerd) both (b) and (c)4.Iron tyres are mounted on the wooden wheel of a Tonga. Intially the diameter of the iron tyre is:a) slightly more than the wooden wheel b)slightly less than the wooden wheel c) of same diameter as wooden wheel d)none of these5. A bimetallic strip is used in:a) pressure cookerb) automatic fire alarmc) ceiling fand) flash lightHelpppppp❤️❤️❤️

D. Tick (✓) the most appropriate answer. 1. A thick glass tumbler

1.	D. Tick (✓) the most appropriate answer. 1. A thick glass tumbler cracks when boiling hot water is poured into it because :(a) glass is a bad conductor of heat(b) inner surface of glass expands morethan outer surface(c) outer surface of glass expands morethan inner surface(d) both (a) and (b).2. A bimetallic strip of brass and iron is straightat room temperature. When this bimetallic strip is heated it bends, such that :(a) iron takes the outer surface of bend(b) brass takes the outer surface of bend(c) the bimetallic strip does not bend(d) none of these3. Small gaps are left between railway linesbecause :(a) we cannot have rails of very long lenghtb ) it allows for expansion of rails during summerc)it allows for contraction of rails during summerd) both (b) and (c)4.Iron tyres are mounted on the wooden wheel of a Tonga. Intially the diameter of the iron tyre is:a) slightly more than the wooden wheel b)slightly less than the wooden wheel c) of same diameter as wooden wheel d)none of these5. A bimetallic strip is used in:a) pressure cookerb) automatic fire alarmc) ceiling fand) flash lightHelpppppp❤️❤️❤️
Answer» TION:B}. Option A}. Option I HOPE it may HELP to you

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