Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction<="" div=""> Wtan(a + <)>) Wcos(a + ) Wsin(a + <(>) Wtan(a-<)>) Wtan(a + <)>) Wcos(a + ) Wsin(a + <(>) Wtan(a-<)>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The co-efficient of friction depends upon shape of the surfaces area of contact nature of surfaces All of the listed here shape of the surfaces area of contact nature of surfaces All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of kinematic friction friction limiting friction repose kinematic friction friction limiting friction repose ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Center of percussion is the point of metacentre the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis point of suspension the point of C.G. the point of metacentre the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis point of suspension the point of C.G. ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of gravity of a triangle lies at the point of Concurrence of the medians Intersection of bisector of angles Intersection of diagonals Intersection of its altitudes Concurrence of the medians Intersection of bisector of angles Intersection of diagonals Intersection of its altitudes ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Coulomb friction is the friction between two dry surfaces two lubricated surfaces solids and liquids bodies having relative motion two dry surfaces two lubricated surfaces solids and liquids bodies having relative motion ANSWER DOWNLOAD EXAMIANS APP