Applied Mechanics and Graphic Statics Maximum efficiency of a screw jack for the angle of friction θ, is (1 - sin θ)/(1 + sin θ) sin θ/(1 + sin θ) (1 - sin θ)/sin θ (1 + sin θ)/(1 - sin θ) (1 - sin θ)/(1 + sin θ) sin θ/(1 + sin θ) (1 - sin θ)/sin θ (1 + sin θ)/(1 - sin θ) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle moves in a straight line and its position is defined by the equation x = 6 t² - t3 where t is expressed in seconds and ‘x’ in meters. The maximum velocity during the motion is 48 m/sec 24 m/sec 6 m/sec 12 m/sec 48 m/sec 24 m/sec 6 m/sec 12 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Force polygon method is applicable for A system of parallel forces only Any coplanar force system Concurrent coplanar force system Non-concurrent coplanar force system A system of parallel forces only Any coplanar force system Concurrent coplanar force system Non-concurrent coplanar force system ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the kinetic energy and potential energy of a simple harmonic oscillator of amplitude A are both equal to half the total energy, then the displacement is equal to A A√2 A/√2 A/2 A A√2 A/√2 A/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A point subjected to a number of forces will be in equilibrium, if Algebraic sum of the moments of the forces about the point is zero Two resolved parts in any two directions at right angles are equal Algebraic sum of the forces is zero Sum of resolved parts in any two directions at right angles, are both zero Algebraic sum of the moments of the forces about the point is zero Two resolved parts in any two directions at right angles are equal Algebraic sum of the forces is zero Sum of resolved parts in any two directions at right angles, are both zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A quantity measured in the C.G.S system of units has dimensions M”2L3 T3/2. What numerical factor would be required to convert the quantity to SI units ? 1 1/10000 1/100 100 1 1/10000 1/100 100 ANSWER DOWNLOAD EXAMIANS APP
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