Applied Mechanics and Graphic Statics In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively 75 and 75 75 and 50 50 and 75 50 and 50 75 and 75 75 and 50 50 and 75 50 and 50 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics ‘P’ is the force acting on a body whose mass is ‘m’ and acceleration is ‘f’. The equation P - mf= 0, is known as None of these Equation of dynamics Equation of dynamic equilibrium Equation of statics None of these Equation of dynamics Equation of dynamic equilibrium Equation of statics ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The maximum frictional force which comes into play, when a body just begins to slide over the surface of a another body, is known Limiting friction None of these Sliding friction Rolling friction Limiting friction None of these Sliding friction Rolling friction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ? i. 1.0 in from the wall ii. 1.732 m from the wall iii. 1.0 m above the floor iv. 1.732 m above the floor The correct answer is (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’ makes an angle ‘α’ with ‘P’, then tan α equals P sin θ/P + Q tan θ Q sin θ/P + Q sin θ Q sin θ/P + Q cos θ P sin θ/P - Q cos θ P sin θ/P + Q tan θ Q sin θ/P + Q sin θ Q sin θ/P + Q cos θ P sin θ/P - Q cos θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Engineer's units of force, is Newton in absolute units All listed here Dyne in absolute units Newton and dyne in absolute units Newton in absolute units All listed here Dyne in absolute units Newton and dyne in absolute units ANSWER DOWNLOAD EXAMIANS APP