Applied Mechanics and Graphic Statics A projectile has maximum range of 40 m on a horizontal plane. If angle of projection is a and the time of flight is 1 second, then sin a must be about (Assume g = 10 m/sec²) 43832 43833 43835 43834 43832 43833 43835 43834 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is wl/4d wl²/16d wl²/8d wl²/4d wl/4d wl²/16d wl²/8d wl²/4d ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A marble ball is rolled on a smooth floor of a room to hit a wall. If the time taken by the ball in returning to the point of projection is twice the time taken in reaching the wall, the coefficient of restitution between the ball and the wall, is 0.75 0.25 1.0 0.50 0.75 0.25 1.0 0.50 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A bullet weighing 10 gm moves with a velocity of l km/sec. Its kinetic energy is(i) 5000 Nm(ii) 5000 kg.m(iii) 5000 J All (i), (ii) and (iii) Both (ii) and (iii) Both (i) and (iii) Only (ii) All (i), (ii) and (iii) Both (ii) and (iii) Both (i) and (iii) Only (ii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The moment of inertia of a circular lamina of diameter ‘d’, about an axis perpendicular to the plane of the lamina and passing through its centre, is πd⁴/32 πd⁴/16 πd⁴/24 π/64 (D⁴ + d⁴) πd⁴/32 πd⁴/16 πd⁴/24 π/64 (D⁴ + d⁴) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a homogeneous body is the point at which the whole All listed here Area of the surface of the body is assumed to be concentrated Volume of the body is assumed to be concentrated Weight of the body is assumed to be concentrated All listed here Area of the surface of the body is assumed to be concentrated Volume of the body is assumed to be concentrated Weight of the body is assumed to be concentrated ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS