Strength of Materials Frictional force encountered after commencement of motion is called dynamic friction post friction frictional resistance limiting friction dynamic friction post friction frictional resistance limiting friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The C.G. of a right circular solid cone of height h lies at the following distance from the base J/3 h/6 h/2 h/4 J/3 h/6 h/2 h/4 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The resultant of the following three couples 20 kg force, 0.5 m arm, + ve sense 30 kg force, 1 m arm, – ve sense 40 kg force, 0.25 m arm, + ve sense having arm of 0.5 m will be 10 kg, + ve sense 10 kg, – ve sense 20 kg, + ve sense 20 kg, – ve sense 10 kg, + ve sense 10 kg, – ve sense 20 kg, + ve sense 20 kg, – ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A framed structure is perfect if it contains members equal to (where n = number of joints in a frame) 2n-3 n-2 n-l 2n-l 2n-3 n-2 n-l 2n-l ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The weight of a body is due to gravitational pull exerted by the earth gravitational force of attraction towards the centre of the earth. force of attraction experienced by par-ticles centripetal force of earth gravitational pull exerted by the earth gravitational force of attraction towards the centre of the earth. force of attraction experienced by par-ticles centripetal force of earth ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve hyperbola parabola elliptical catenary hyperbola parabola elliptical catenary ANSWER DOWNLOAD EXAMIANS APP
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