Strength of Materials A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if the floor and wall both are rough sur-faces the floor is smooth, the wall is rough the floor is rough, the wall is smooth the floor and wall both are smooth surfaces the floor and wall both are rough sur-faces the floor is smooth, the wall is rough the floor is rough, the wall is smooth the floor and wall both are smooth surfaces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Coulomb friction is the friction between two lubricated surfaces solids and liquids two dry surfaces bodies having relative motion two lubricated surfaces solids and liquids two dry surfaces bodies having relative motion ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of gravity of a uniform lamina lies at the bottom surface All of these the mid point of its axis the center of heavy portion the bottom surface All of these the mid point of its axis the center of heavy portion 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 parabola elliptical hyperbola catenary parabola elliptical hyperbola catenary ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction Wtan(a + <)>) Wtan(a-<)>) Wcos(a + ) Wsin(a + <(>) Wtan(a + <)>) Wtan(a-<)>) Wcos(a + ) Wsin(a + <(>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of percussion of the homogeneous rod of length L suspended at the top will be 3L/4 L/3 L/2 2L/3 3L/4 L/3 L/2 2L/3 ANSWER DOWNLOAD EXAMIANS APP
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