Engineering Mechanics Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base. Nine times Two times Six times Four times Nine times Two times Six times Four times ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is Non-reversible Reversible Ideal None of these Non-reversible Reversible Ideal None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The term 'Centroid' is The point of suspension The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis None of the listed here The same as centre of gravity The point of suspension The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis None of the listed here The same as centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In order to double the period of simple pendulum, the length of the string should be Doubled None of these Halved Quadrupled Doubled None of these Halved Quadrupled ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The Cartesian equation of trajectory is (where u = Velocity of projection, α = Angle of projection, and x, y = Co-ordinates of any point on the trajectory after t seconds.) y = x. tanα - (gx²/2u² cos²α) y = (gx²/2u² cos²α) + x. tanα y = (gx²/2u² cos²α) - x. tanα y = x. tanα + (gx²/2u² cos²α) y = x. tanα - (gx²/2u² cos²α) y = (gx²/2u² cos²α) + x. tanα y = (gx²/2u² cos²α) - x. tanα y = x. tanα + (gx²/2u² cos²α) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Mass moment of inertia of a uniform thin rod of mass M and length (l) about its mid-point and perpendicular to its length is (3/4) Ml² (2/3) Ml² (1/3) Ml² (1/12) Ml² (3/4) Ml² (2/3) Ml² (1/3) Ml² (1/12) Ml² ANSWER DOWNLOAD EXAMIANS APP