Physics In a diesel engine the high temperature needed to ignite the fuel is achieved by Using heat from exhaust Compressing air in the cylinders The battery An electrical spark Using heat from exhaust Compressing air in the cylinders The battery An electrical spark ANSWER DOWNLOAD EXAMIANS APP
Physics Why is it difficult to breathe at higher altitudes? Due to high humidity Due to ozone Due to low air pressure Due to low temperature Due to high humidity Due to ozone Due to low air pressure Due to low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics When two semiconductors of pand n-type are brought in contact, they form p-n junction which acts like a/an Oscillator Rectifier Conductor Amplifier Oscillator Rectifier Conductor Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics If a body moves with a constant speed in a circle No force acts on it No acceleration is produced in it Its velocity remains constant No work is done on it No force acts on it No acceleration is produced in it Its velocity remains constant No work is done on it ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following processes is energy released ? Ingestion Photosynthesis Absorption Respiration Ingestion Photosynthesis Absorption Respiration ANSWER DOWNLOAD EXAMIANS APP
Physics The pressure of a fluid varies with depth h as P = PQ+pgh, where p is the fluid density. This expression is associated with Archimedes' principle Bernoulli's principle Pascal's law Newton's law Archimedes' principle Bernoulli's principle Pascal's law Newton's law ANSWER DOWNLOAD EXAMIANS APP
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