Physics Pipelines in cold countries often burst in winter, because Pipelines contract in their volume Pipelines expand due to freezing Temperature of ice is less than that of water Water freezes and expands in its volume Pipelines contract in their volume Pipelines expand due to freezing Temperature of ice is less than that of water Water freezes and expands in its volume ANSWER DOWNLOAD EXAMIANS APP
Physics In severe winter, in cold countries water pipes burst because Contraction of water pipes High atmospheric pressure Combined effect of all the above three Water expands on freezing Contraction of water pipes High atmospheric pressure Combined effect of all the above three Water expands on freezing ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves so that 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 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 Increases May increase of decrease depending on pressure Decreases Does not change Increases May increase of decrease depending on pressure Decreases Does not change 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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