Strength of Materials The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be 2r/3 r/2 3r/2 r/A 2r/3 r/2 3r/2 r/A ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The product of either force of couple with the arm of the couple is called moment of the forces moment of the couple resulting couple resultant couple moment of the forces moment of the couple resulting couple resultant couple ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal metal is twice as dense as unknown fluid metal is twice as dense as water density of metal can’t be determined metal will float in water metal is twice as dense as unknown fluid metal is twice as dense as water density of metal can’t be determined metal will float in water ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The coefficient of friction depends on strength of surfaces area of contact shape of surfaces nature of surface strength of surfaces area of contact shape of surfaces nature of surface ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of pressure ? newton. atmosphere kg/cm mm of wcl newton. atmosphere kg/cm mm of wcl ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Dynamic friction as compared to static friction is same may be less of more depending on nature of surfaces and velocity more less same may be less of more depending on nature of surfaces and velocity more less ANSWER DOWNLOAD EXAMIANS APP