Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction<="" div=""> Wcos(a + ) Wtan(a + <)>) Wtan(a-<)>) Wsin(a + <(>) Wcos(a + ) Wtan(a + <)>) Wtan(a-<)>) Wsin(a + <(>) 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 repose friction kinematic friction limiting friction repose friction kinematic friction limiting friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The M.I. of hollow circular section about a central axis perpendicular to section as compared to its M.I. about horizontal axis is double half same four times double half same four times 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 couple resulting couple moment of the forces resultant couple moment of the couple resulting couple moment of the forces resultant couple ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are 2 and 5 V5 and V5 3 and 1 kg 2 and V6 2 and 5 V5 and V5 3 and 1 kg 2 and V6 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If three forces acting in different planes can be represented by a triangle, these will be in partial equilibrium unpredictable non-equilibrium full equilibrium partial equilibrium unpredictable non-equilibrium full equilibrium ANSWER DOWNLOAD EXAMIANS APP
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