Strength of Materials Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one ellipse hyperbola parabola circle ellipse hyperbola parabola circle ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction along the plane horizontally at an angle equal to the angle of friction to the inclined plane vertically along the plane horizontally at an angle equal to the angle of friction to the inclined plane vertically ANSWER DOWNLOAD EXAMIANS APP
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 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 Dynamic friction as compared to static friction is less more same may be less of more depending on nature of surfaces and velocity less more same may be less of more depending on nature of surfaces and velocity ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Coulomb friction is the friction between solids and liquids two dry surfaces bodies having relative motion two lubricated surfaces solids and liquids two dry surfaces bodies having relative motion two lubricated surfaces ANSWER DOWNLOAD EXAMIANS APP