Theory of Machine In an open pair, the two elements of a pair Are not held together mechanically Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion Have a surface contact when in motion Are not held together mechanically Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion Have a surface contact when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body in motion will be subjected to Coriolis acceleration when that body is In plane translation with variable velocity In plane rotation with variable velocity In plane motion which is a resultant of plane translation and rotation Restrained to rotate while sliding over another body In plane translation with variable velocity In plane rotation with variable velocity In plane motion which is a resultant of plane translation and rotation Restrained to rotate while sliding over another body ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping coefficient of this system is 18.52 N-s/m 1.4 N-s/m 52.92 N-s/m 529.2 N-s/m 18.52 N-s/m 1.4 N-s/m 52.92 N-s/m 529.2 N-s/m ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where r₁ and r₂ = External and internal radii of collar respectively) (1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W (r₁ + r₂) (2/3). μ W (r₁ + r₂) (1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W (r₁ + r₂) (2/3). μ W (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the particles of a body moves perpendicular to its axis, then the body is said to have Transverse vibration Longitudinal vibration Torsional vibration None of these Transverse vibration Longitudinal vibration Torsional vibration None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following would constitute a link? Piston rod and cross head Piston and piston rod Piston, crank pin and crank shaft Piston, piston rod and cross head Piston rod and cross head Piston and piston rod Piston, crank pin and crank shaft Piston, piston rod and cross head ANSWER DOWNLOAD EXAMIANS APP