Applied Mechanics and Graphic Statics Two particles have been projected at angles 64° and 45° to the horizontal. If the velocity of projection of first is 10 m/sec, the velocity of projection of the other for equal horizontal ranges is 8.3 m/sec 6.3 m/sec 7.3 m/sec 9.3 m/sec 8.3 m/sec 6.3 m/sec 7.3 m/sec 9.3 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of the trapezium as shown in below figure from the side is at a distance of Applied Mechanics and Graphic Statics mcq question image (h/3) × [(2b + a)/(b + a)] (h/3) × [(b + 2a)/(b + a)] (h/2) × [(b + 2a)/(b + a)] (h/2) × [(2b + a)/(b + a)] (h/3) × [(2b + a)/(b + a)] (h/3) × [(b + 2a)/(b + a)] (h/2) × [(b + 2a)/(b + a)] (h/2) × [(2b + a)/(b + a)] 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 Q sin θ/P + Q cos θ P sin θ/P - Q cos θ Q sin θ/P + Q sin θ P sin θ/P + Q tan θ Q sin θ/P + Q cos θ P sin θ/P - Q cos θ Q sin θ/P + Q sin θ P sin θ/P + Q tan θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics To double the period of oscillation of a simple pendulum The mass of its bob should be doubled Its length should be doubled Its length should be quadrupled The mass of its bob should be quadrupled The mass of its bob should be doubled Its length should be doubled Its length should be quadrupled The mass of its bob should be quadrupled ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Minimum potential energy of a system will be in the position of Unstable equilibrium All of these Neutral equilibrium Stable equilibrium Unstable equilibrium All of these Neutral equilibrium Stable equilibrium ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a self-locking machine, the efficiency should be Less than 60% More than 50% None of these 0.5 Less than 60% More than 50% None of these 0.5 ANSWER DOWNLOAD EXAMIANS APP