Theory of Machine In a ball bearing, ball and bearing forms a Rolling pair Screw pair Spherical pair Turning pair Rolling pair Screw pair Spherical pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whirling speed of the shaft is the speed at which Torsional vibrations occur Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate vigorously in transverse direction Shaft tends to vibrate in longitudinal direction Torsional vibrations occur Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate vigorously in transverse direction Shaft tends to vibrate in longitudinal direction ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which one of the following can completely balance several masses revolving in different planes on a shaft? A single mass in different planes Two masses in any two planes Two equal masses in any two planes A single mass in one of the planes of the revolving masses A single mass in different planes Two masses in any two planes Two equal masses in any two planes A single mass in one of the planes of the revolving masses ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The factor which affects the critical speed of a shaft is Span of shaft All of the listed here Eccentricity Diameter of disc Span of shaft All of the listed here Eccentricity Diameter of disc ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A typewriter mechanism has 7 numbers of binary joints, six links and none of higher pairs. The mechanism is Data is not sufficient to determine same Soundness would depend upon which link is kept fixed Not sound Kinematically sound Data is not sufficient to determine same Soundness would depend upon which link is kept fixed Not sound Kinematically sound ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 90° + φ α = 45° - φ/2 α = 90° - φ α = 45° + φ/2 α = 90° + φ α = 45° - φ/2 α = 90° - φ α = 45° + φ/2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS