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 Keep the rails equidistant Avoid the heating of tracks to high temperature Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation Keep the rails equidistant Avoid the heating of tracks to high temperature ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of noise pollution (level) is : Decibel Decimal Ppm None of these Decibel Decimal Ppm None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which best describes how air moves during convection? Warm air falls down Cool air is replaced by warm air Air always falls down Cool air falls down Warm air falls down Cool air is replaced by warm air Air always falls down Cool air falls down ANSWER DOWNLOAD EXAMIANS APP
Physics Which combination of colour is the most convenient during day and night time ? White and black Organe and blue Yellow and blue Red and green White and black Organe and blue Yellow and blue Red and green ANSWER DOWNLOAD EXAMIANS APP
Physics Where is a transistor most likely to be found ? Hearing aid Fuse Wrist watch Fluorescent lamp Hearing aid Fuse Wrist watch Fluorescent lamp ANSWER DOWNLOAD EXAMIANS APP
Physics Lakes freeze in cold countries in winter, leaving the water underneath at 4°C 0°F 4°F 0°C 4°C 0°F 4°F 0°C ANSWER DOWNLOAD EXAMIANS APP
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