Theory of Machine The velocity of a particle moving with simple harmonic motion, at any instant is given by (where ω = Displacement of the particle from mean position) ω √(r² - x²) ω √(x² - r²) ω² √(r² - x²) ω² √(x² - r²) ω √(r² - x²) ω √(x² - r²) ω² √(r² - x²) ω² √(x² - r²) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m).(dx/dt) + (s/m).x = 0, if the roots of the equation are __________ then the system will be under damped. Equal None of these Real Complex conjugate Equal None of these Real Complex conjugate ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A system of masses rotating in different parallel planes is in dynamic balance if the Resultant force is numerically equal to the resultant couple, but neither of them need necessarily be zero Resultant force and resultant couple are both equal to zero Resultant force is equal to zero Resultant couple is equal to zero Resultant force is numerically equal to the resultant couple, but neither of them need necessarily be zero Resultant force and resultant couple are both equal to zero Resultant force is equal to zero Resultant couple is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Rectilinear motion of piston is converted into rotary by Gudgeon pin Slider crank Cross head Connecting rod Gudgeon pin Slider crank Cross head Connecting rod ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 3π Hz 3 Hz 6π Hz 6 Hz 3π Hz 3 Hz 6π Hz 6 Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Grubler's criterion for determining the degrees of freedom (n) of a mechanism having plane motion is (where l = Number of links, and j = Number of binary joints) n = (l -1) - j n = 4(l - 1) - 3j n = 3(l - 1) - 2j n = 2(l - 1) - 2j n = (l -1) - j n = 4(l - 1) - 3j n = 3(l - 1) - 2j n = 2(l - 1) - 2j ANSWER DOWNLOAD EXAMIANS APP
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