Engineering Mechanics The ratio of static friction to dynamic friction is always Greater than one Equal to one Less than one None of these Greater than one Equal to one Less than one None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration. None of these Horizontal Downwards Upwards None of these Horizontal Downwards Upwards ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a number of forces are acting at a point, their resultant is given by (∑V)2 +(∑H)2 +2(∑V)(∑H) √[(∑V)2 + (∑H)2] (∑V)2 + (∑H)2 √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] (∑V)2 +(∑H)2 +2(∑V)(∑H) √[(∑V)2 + (∑H)2] (∑V)2 + (∑H)2 √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a number of forces are acting at a point, their resultant will be inclined at an angle 'θ' with the horizontal, such that tanθ = ΣH/ΣV tanθ = ΣV × ΣH tanθ = √(ΣV + ΣH) tanθ = ΣV/ΣH tanθ = ΣH/ΣV tanθ = ΣV × ΣH tanθ = √(ΣV + ΣH) tanθ = ΣV/ΣH ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency less than 50%, is known as Neither reversible nor non-reversible machine Ideal machine Non-reversible machine Reversible machine Neither reversible nor non-reversible machine Ideal machine Non-reversible machine Reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The acceleration of a particle moving with simple harmonic motion, at any instant is given by ω3.y ω2.y ω.y ω2/y ω3.y ω2.y ω.y ω2/y ANSWER DOWNLOAD EXAMIANS APP