Physics Steam at 100°C causes more severe burns than water at 100°C because Water has latent heat of fusion Water has no specific heat capacity Steam has latent heat of vaporisation Steam has no specific heat capacity Water has latent heat of fusion Water has no specific heat capacity Steam has latent heat of vaporisation Steam has no specific heat capacity ANSWER DOWNLOAD EXAMIANS APP
Physics Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: Both the heating effect of current and hysteresis loss The heating effect of current alone Intense sunlight at noon Hysteresis loss alone Both the heating effect of current and hysteresis loss The heating effect of current alone Intense sunlight at noon Hysteresis loss alone ANSWER DOWNLOAD EXAMIANS APP
Physics Velocity of sound in air does not depend on Density of air Humidity of air Temperature of air Pressure of air Density of air Humidity of air Temperature of air Pressure of air ANSWER DOWNLOAD EXAMIANS APP
Physics The GPS device in an automobile uses which communication channel? Microwave Radio frequency Satellite Infrared Microwave Radio frequency Satellite Infrared ANSWER DOWNLOAD EXAMIANS APP
Physics A gap is left between two rails of a railway track to accommodate...... of the metal. Apparent expansion Linear expansion Volume expansion Areal expansion Apparent expansion Linear expansion Volume expansion Areal expansion ANSWER DOWNLOAD EXAMIANS APP
Physics The spokes used in the wheel of a bicycle increase its Velocity Acceleration Moment of inertia Momentum Velocity Acceleration Moment of inertia Momentum ANSWER DOWNLOAD EXAMIANS APP