Engineering Mechanics The point, through which the whole weight of the body acts, irrespective of its position, is known as Center of mass Center of gravity Center of percussion Moment of inertia Center of mass Center of gravity Center of percussion Moment of inertia 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 (1/3) Ml² (1/12) Ml² (3/4) Ml² (2/3) Ml² (1/3) Ml² (1/12) Ml² (3/4) Ml² (2/3) Ml² ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The motion of a wheel of a car is Purely translation Purely rotational Combined translation and rotational None of the listed here Purely translation Purely rotational Combined translation and rotational None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In a screw jack, the effort required to lift the load is given by (where W = Load lifted, α = Helix angle, and φ = Angle of friction.) P = W tan (α - φ) P = W cos (α + φ) P = W tan (α + φ) P = W tan (φ - α) P = W tan (α - φ) P = W cos (α + φ) P = W tan (α + φ) P = W tan (φ - α) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time of one oscillation for a simple pendulum is (where l = Length of the pendulum.) (1/2π). √(g/l) None of these (1/2π). √(l/g) 2π. √(l/g) (1/2π). √(g/l) None of these (1/2π). √(l/g) 2π. √(l/g) 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
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