Theory of Machine A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the Magnitude of the forces on journal Radius of journal Angular velocity of journal Clearance between journal and bearing Magnitude of the forces on journal Radius of journal Angular velocity of journal Clearance between journal and bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach 360° 0° 90° 180° 360° 0° 90° 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become tp /16 4 tp 16 tp tp /4 tp /16 4 tp 16 tp tp /4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a ball bearing, ball and bearing forms a Rolling pair Turning pair Screw pair Spherical pair Rolling pair Turning pair Screw pair Spherical pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In gramophones for adjusting the speed of the turntable, the following type of governor is commonly employed Inertia governor Wilson Hartnell governor Pickering governor Hartung governor Inertia governor Wilson Hartnell governor Pickering governor Hartung governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Efficiency of a screw jack is given by tanα/tan (α - φ) tanα/tan (α +φ) tan (α - φ)/tanα tan (α + φ)/tanα tanα/tan (α - φ) tanα/tan (α +φ) tan (α - φ)/tanα tan (α + φ)/tanα ANSWER DOWNLOAD EXAMIANS APP
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