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