Theory of Machine The two elements of a pair are said to form a higher pair, when they Have a line or point contact when in motion Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion Permit relative motion Have a line or point contact when in motion Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion Permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is 9,360 r.p.m. 6,000 r.p.m. 12,000 r.p.m. 5,367 r.p.m. 9,360 r.p.m. 6,000 r.p.m. 12,000 r.p.m. 5,367 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The working depth of a gear is the radial distance from the Addendum circle to the clearance circle Top of a tooth to the bottom of a tooth Pitch circle to the top of a tooth Pitch circle to the bottom of a tooth Addendum circle to the clearance circle Top of a tooth to the bottom of a tooth Pitch circle to the top of a tooth Pitch circle to the bottom of a tooth ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum value of the pressure angle in case of cam is kept as 10° 30° 14° 20° 10° 30° 14° 20° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The direction of linear velocity of any point on a link with respect to another point on the same link is Perpendicular to the link joining the points Parallel to the link joining the points At 45° to the link joining the points None of the listed here Perpendicular to the link joining the points Parallel to the link joining the points At 45° to the link joining the points None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two elements of a pair are said to form a _________ when they permit relative motion between them. Kinematic pair Open pair None of these Sliding pair Kinematic pair Open pair None of these Sliding pair ANSWER DOWNLOAD EXAMIANS APP