Strength of Materials The resultant of the following three couples 20 kg force, 0.5 m arm, + ve sense 30 kg force, 1 m arm, – ve sense 40 kg force, 0.25 m arm, + ve sense having arm of 0.5 m will be 10 kg, + ve sense 20 kg, + ve sense 20 kg, – ve sense 10 kg, – ve sense 10 kg, + ve sense 20 kg, + ve sense 20 kg, – ve sense 10 kg, – ve sense 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 Wsin(a + <(>) Wtan(a + <)>) Wtan(a-<)>) Wcos(a + ) Wsin(a + <(>) Wtan(a + <)>) Wtan(a-<)>) Wcos(a + ) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A force acting on a body may retard its motion All of the listed here change its motion introduce internal stresses retard its motion All of the listed here change its motion introduce internal stresses ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not a vector quantity force velocity acceleration weight force velocity acceleration weight ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A single force and a couple acting in the same plane upon a rigid body are equivalent produce moment of a couple cannot balance each other balance each other are equivalent produce moment of a couple cannot balance each other balance each other ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If a rigid body is in equilibrium under the action of three forces, then the lines of action of these forces meet in a point these forces are equal the lines of action of these forces meet in a point & the lines of action of these forces are parallel the lines of action of these forces are parallel the lines of action of these forces meet in a point these forces are equal the lines of action of these forces meet in a point & the lines of action of these forces are parallel the lines of action of these forces are parallel ANSWER DOWNLOAD EXAMIANS APP
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