Chemical Engineering Basics
Compression ratio of an I.C. engine is the ratio of the

Volume of air in cylinder before compression to that after compression
Clearance volume to the volume swept by piston per stroke
None of these
Pressure after compression to that before compression

ANSWER DOWNLOAD EXAMIANS APP

Chemical Engineering Basics
Which of the following is not a characteristic observed in material failure by fatigue fracture ?

Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface
Initiation of crack from below the surface does not occur
Plastic deformation of material does not occur
Initation of crack occurs on the surface of the machine part

ANSWER DOWNLOAD EXAMIANS APP