Physics The plastic material commonly used for making gear wheels is Polystyrene Bakelit Nylons Polyesters Polystyrene Bakelit Nylons Polyesters ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Steel can be saved Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Steel can be saved Accidents due to contraction in winter can be avoided ANSWER DOWNLOAD EXAMIANS APP
Physics If an object moves with constant velocity, None of these It must have constant direction It must have constant speed It must have constant speed in constant direction None of these It must have constant direction It must have constant speed It must have constant speed in constant direction ANSWER DOWNLOAD EXAMIANS APP
Physics Waves that are required for long distance wireless communication are Ultraviolet rays Radio waves Microwaves Infrared rays Ultraviolet rays Radio waves Microwaves Infrared rays ANSWER DOWNLOAD EXAMIANS APP
Physics What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero? None of these Increases exponentially Remains constant Becomes zero None of these Increases exponentially Remains constant Becomes zero ANSWER DOWNLOAD EXAMIANS APP
Physics When a barometer reading suddenly recedes, it indicates that climate– Will be very warm Incessant rain for at least 48 Will remain cold Will be extremely stormy Will be very warm Incessant rain for at least 48 Will remain cold Will be extremely stormy ANSWER DOWNLOAD EXAMIANS APP