Engineering Mechanics Moment of inertia of a circular section about an axis perpendicular to the section is πd3/32 πd4/64 πd4/32 πd3/16 πd3/32 πd4/64 πd4/32 πd3/16 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The mechanical advantage of a lifting machine is the ratio of All of these Distance moved by effort to the distance moved by load Load lifted to the effort applied Output to the input All of these Distance moved by effort to the distance moved by load Load lifted to the effort applied Output to the input 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 (φ - α) P = W cos (α + φ) P = W tan (α + φ) P = W tan (α - φ) P = W tan (φ - α) P = W cos (α + φ) P = W tan (α + φ) P = W tan (α - φ) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In ideal machines, mechanical advantage is __________ velocity ratio. Greater than Equal to None of these Less than Greater than Equal to None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The matter contained in a body, is called Momentum Impulsive force Weight Mass Momentum Impulsive force Weight Mass 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 Reversible None of these Ideal Non-reversible Reversible None of these Ideal Non-reversible ANSWER DOWNLOAD EXAMIANS APP