Engineering Mechanics The center of gravity of a quadrant of a circle lies along its central radius (r) at a distance of 0.8 r 0.7 r 0.6 r 0.5 r 0.8 r 0.7 r 0.6 r 0.5 r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following are vector quantities? Linear displacement All of these Linear acceleration Linear velocity Linear displacement All of these Linear acceleration Linear velocity ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The friction experienced by a body, when in motion, is known as Limiting friction Static friction Dynamic friction Rolling friction Limiting friction Static friction Dynamic friction Rolling friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time of a particle with simple harmonic motion is _________ proportional to the angular velocity. Inversely Directly None of these Square root Inversely Directly None of these Square root 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 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) P = W tan (α - φ) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency less than 50%, is known as Ideal machine Reversible machine Non-reversible machine Neither reversible nor non-reversible machine Ideal machine Reversible machine Non-reversible machine Neither reversible nor non-reversible machine ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS