Applied Mechanics and Graphic Statics A disc of mass 4 kg, radius 0.5 m and moment of inertia 3 kg.m² rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is 50 J 200 J 150 J 400 J 50 J 200 J 150 J 400 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics ‘ω’ rad/sec is the angular velocity of a crank whose radius is ‘r’. If it makes θ° with inner dead centre and obliquity of the connecting rod ‘l’ is ‘ϕ’, the velocity v of the piston, is given by the equation ω² (l cos ϕ + r sin ϕ tan θ) ω² (l sin ϕ + r cos φ tan θ) ω (l sin ϕ + r cos ϕ tan θ) ω² (l sin ϕ - r cos θ tan ϕ) ω² (l cos ϕ + r sin ϕ tan θ) ω² (l sin ϕ + r cos φ tan θ) ω (l sin ϕ + r cos ϕ tan θ) ω² (l sin ϕ - r cos θ tan ϕ) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Time of flight of a projectile on a horizontal plane, is 2u tanα/g 2u cotα/g 2u sinα/g 2u cosα/g 2u tanα/g 2u cotα/g 2u sinα/g 2u cosα/g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a body is lying on a plane whose inclination with the horizontal is less than the angle of friction, then i. a force is required to move the body upwards ii. a force is required to move the body downward iii. the body will not be in equilibrium The correct answer is only (ii) only (i) both (i) and (iii) both (i) and (ii) only (ii) only (i) both (i) and (iii) both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The beam shown in below figure is supported by a hinge at ‘A’ and a roller at ‘B’. The reaction RA of the hinged support ‘A’ of the beam, is Applied Mechanics and Graphic Statics mcq question image 10.6 t 10.8 t 10.4 t 10.2 t 10.6 t 10.8 t 10.4 t 10.2 t ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first? Cylinder with greater rotational energy at bottom than sphere Sphere with greater rotational energy at bottom than cylinder Sphere with lesser rotational energy at bottom than cylinder Both reach the bottom simultaneously with equal rotational energy at bottom Cylinder with greater rotational energy at bottom than sphere Sphere with greater rotational energy at bottom than cylinder Sphere with lesser rotational energy at bottom than cylinder Both reach the bottom simultaneously with equal rotational energy at bottom ANSWER DOWNLOAD EXAMIANS APP