Physics Pipelines in cold countries often burst in winter, because Pipelines contract in their volume Water freezes and expands in its volume Temperature of ice is less than that of water Pipelines expand due to freezing Pipelines contract in their volume Water freezes and expands in its volume Temperature of ice is less than that of water Pipelines expand due to freezing ANSWER DOWNLOAD EXAMIANS APP
Physics In severe winter, in cold countries water pipes burst because Contraction of water pipes Combined effect of all the above three High atmospheric pressure Water expands on freezing Contraction of water pipes Combined effect of all the above three High atmospheric pressure Water expands on freezing ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves so that Necessary centrifugal force may be obtained from the horizontal component of the weight of the train Necessary centripetal force may be obtained from the horizontal component of the weight of the train No frictional force may be produced between the tracks and the wheels of the train The train may not fall down inwards Necessary centrifugal force may be obtained from the horizontal component of the weight of the train Necessary centripetal force may be obtained from the horizontal component of the weight of the train No frictional force may be produced between the tracks and the wheels of the train The train may not fall down inwards ANSWER DOWNLOAD EXAMIANS APP
Physics The density of the liquid when heated Does not change May increase of decrease depending on pressure Decreases Increases Does not change May increase of decrease depending on pressure Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Physics Thermocouple consists of Metal and an insulator Two similar metals Two dissimilar metals Metal and a semiconductor Metal and an insulator Two similar metals Two dissimilar metals Metal and a semiconductor ANSWER DOWNLOAD EXAMIANS APP
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