Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction Wcos(a + ) Wtan(a + <)>) Wsin(a + <(>) Wtan(a-<)>) Wcos(a + ) Wtan(a + <)>) Wsin(a + <(>) Wtan(a-<)>) 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/A r/2 3r/2 2r/3 r/A r/2 3r/2 2r/3 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The C.G. of a right circular solid cone of height h lies at the following distance from the base h/4 h/6 h/2 J/3 h/4 h/6 h/2 J/3 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 V5 and V5 2 and V6 3 and 1 kg 2 and 5 V5 and V5 2 and V6 3 and 1 kg 2 and 5 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of energy kcal kg m wattr watt hours kcal kg m wattr watt hours ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of resolution of forces. independence of forces balance of force forces resolution of forces. independence of forces balance of force forces ANSWER DOWNLOAD EXAMIANS APP
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