Physics The cooling by a desert Cooler is based on: Air dehydration Evaporative Cooling Air Rehydration Hot air replacement Air dehydration Evaporative Cooling Air Rehydration Hot air replacement ANSWER DOWNLOAD EXAMIANS APP
Physics What type of heat transfer is boiling water? Convection None of these Conduction Radiation Convection None of these Conduction Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics The magnifying power of an astronomical telescope can be decreased by None of these Increasing the focal length of the objective Increasing the focal length of the eyepiece Decreasing the focal length of the eyepiece None of these Increasing the focal length of the objective Increasing the focal length of the eyepiece Decreasing the focal length of the eyepiece ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Control the speed of train Keep the rails equidistant Avoid the heating of tracks to high temperature Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train Keep the rails equidistant Avoid the heating of tracks to high temperature Avoid the tracks being distorted due to seasonal temperature variation ANSWER DOWNLOAD EXAMIANS APP
Physics Sending a frame to a group of stations is known as Multicasting Casting Spreading Single casting Multicasting Casting Spreading Single casting ANSWER DOWNLOAD EXAMIANS APP
Physics The surface tension of water on adding detergent to it Becomes zero No change Increases Decreases Becomes zero No change Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
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