Internal Combustion Engines When a body, floating in a liquid, is given a small angular displacement, it starts oscillating about a point known as Centre of pressure Centre of gravity Centre of buoyancy Metacentre Centre of pressure Centre of gravity Centre of buoyancy Metacentre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the ratios of all the corresponding linear dimensions are equal, then the model and the prototype are said to have Dynamic similarity None of these Kinematic similarity Geometric similarity Dynamic similarity None of these Kinematic similarity Geometric similarity ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cetane (C₁₆H₃₄) which is a straight chain paraffin, is assigned a cetane number of 120 0 50 100 120 0 50 100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Iso-octane (C₈H₁₈) has octane number of 100 0 50 120 100 0 50 120 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of diesel engines on weak mixtures is Dependent on other factors Unaffected Lower Higher Dependent on other factors Unaffected Lower Higher ANSWER DOWNLOAD EXAMIANS APP