Physics A small gap is left at the joints of rails in a railway track to Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature Keep the rails equidistant Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature Keep the rails equidistant ANSWER DOWNLOAD EXAMIANS APP
Physics If a barometric reading is falling, this usually indicates what Increasing pressure No pressure Decreasing pressure None Increasing pressure No pressure Decreasing pressure None ANSWER DOWNLOAD EXAMIANS APP
Physics Ultrasound devices operate with minimum frequency from 60 kHz 35 kHz 45 kHz 20kHz 60 kHz 35 kHz 45 kHz 20kHz ANSWER DOWNLOAD EXAMIANS APP
Physics The primary agent of contact metamorphism is Flowing water Temperature Weathering Pressure Flowing water Temperature Weathering Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics In a Carnot engine when heat is taken from the source, its temperature Increases Remains constant Decreases and then remains constant Decreases Increases Remains constant Decreases and then remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Air coolers are more suitable for Cool and humid climate Hot and humid climate Hot and dry climate Cool and dry climate Cool and humid climate Hot and humid climate Hot and dry climate Cool and dry climate ANSWER DOWNLOAD EXAMIANS APP
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