Physics Pipelines in cold countries often burst in winter, because Water freezes and expands in its volume Pipelines contract in their volume Temperature of ice is less than that of water Pipelines expand due to freezing Water freezes and expands in its volume Pipelines contract in their 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 Combined effect of all the above three High atmospheric pressure Contraction of water pipes Water expands on freezing Combined effect of all the above three High atmospheric pressure Contraction of water pipes Water expands on freezing 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 Does not change Increases Decreases May increase of decrease depending on pressure Does not change Increases Decreases May increase of decrease depending on pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Thermocouple consists of Metal and an insulator Metal and a semiconductor Two dissimilar metals Two similar metals Metal and an insulator Metal and a semiconductor Two dissimilar metals Two similar metals ANSWER DOWNLOAD EXAMIANS APP
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