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 ball which is thrown upwards, returns to the ground describing a parabolic path during its flight Vertical component of velocity remains constant Kinetic energy of the ball remains constant Horizontal component of velocity remains constant Speed of the ball remains constant Vertical component of velocity remains constant Kinetic energy of the ball remains constant Horizontal component of velocity remains constant Speed of the ball remains constant ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Which of the following represents the state of neutral equilibrium? A smooth cylinder lying on a curved surface A smooth cylinder lying on a convex surface A cube resting on one edge None of these A smooth cylinder lying on a curved surface A smooth cylinder lying on a convex surface A cube resting on one edge None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One Joule is equivalent to 1 dyne metre 1 Newton metre 1 kg wt metre 9.81 Newton metre 1 dyne metre 1 Newton metre 1 kg wt metre 9.81 Newton metre ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 2 kg -m2 and its rate of rotation 2 revolutions/see. The angular momentum of the body in kg-m2/sec is 8 6 7i 4 8TC 8 6 7i 4 8TC ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of an elastic string of natural length / and modulus X is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance x, held at rest and then released. The motion is a simple harmonic motion None of these a rectilinear motion with constant speed a damped oscillatory motion a simple harmonic motion None of these a rectilinear motion with constant speed a damped oscillatory motion ANSWER DOWNLOAD EXAMIANS APP
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