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 Angle of friction and angle of repose are None of these Not equal to each other Proportional to each other Equal to each other None of these Not equal to each other Proportional to each other Equal to each other ANSWER DOWNLOAD EXAMIANS APP
Physics In a Carnot engine when heat is taken from the source, its temperature Decreases and then remains constant Decreases Increases Remains constant Decreases and then remains constant Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics Working of safety fuses depends upon1. magnetic effect of the current2. chemical effect of the current3. magnitude of the current4. heating effect of the currentSelect the correct answer using the code given below. 1, 2 and 3 only 3 and 4 only 4 only 1, 2, 3 and 4 1, 2 and 3 only 3 and 4 only 4 only 1, 2, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is the greatest in : Air Water Glass Glycerine Air Water Glass Glycerine ANSWER DOWNLOAD EXAMIANS APP
Physics What is the full form of "RADAR" ? Radio Detect and Rangs Radio Device and Ranging Radio Detecting and Ranging Region Device and Ranging Radio Detect and Rangs Radio Device and Ranging Radio Detecting and Ranging Region Device and Ranging ANSWER DOWNLOAD EXAMIANS APP
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