Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction<="" div=""> Wsin(a + <(>) Wtan(a + <)>) Wcos(a + ) Wtan(a-<)>) Wsin(a + <(>) Wtan(a + <)>) Wcos(a + ) Wtan(a-<)>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Coulomb friction is the friction between solids and liquids two dry surfaces two lubricated surfaces bodies having relative motion solids and liquids two dry surfaces two lubricated surfaces bodies having relative motion ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Center of percussion is the point of C.G. the point of metacentre point of suspension the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis the point of C.G. the point of metacentre point of suspension the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be r/2 r/A 3r/2 2r/3 r/2 r/A 3r/2 2r/3 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A cable with a uniformly distributed load per horizontal metre run will take the following shape Elliptical Straight line Parabola Hyperbola Elliptical Straight line Parabola Hyperbola 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 resultant couple resulting couple moment of the forces moment of the couple resultant couple resulting couple ANSWER DOWNLOAD EXAMIANS APP
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