Theory of Machine When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a Self-closed pair Higher pair Lower pair Force-closed pair Self-closed pair Higher pair Lower pair Force-closed pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is __________ the primary unbalanced force. One-half n times Two-third 1/n times One-half n times Two-third 1/n times ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle) cos (θ + φ) + 1/ cos (θ - φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 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 6,000 r.p.m. 5,367 r.p.m. 9,360 r.p.m. 12,000 r.p.m. 6,000 r.p.m. 5,367 r.p.m. 9,360 r.p.m. 12,000 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of the number of teeth to the pitch circle diameter in millimeters, is called Circular pitch None of these Module Diametral pitch Circular pitch None of these Module Diametral pitch ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In elliptical trammels One pair turning and three pairs sliding Two pairs turning and two pairs sliding Three pairs turning and one pair sliding All four pairs are turning One pair turning and three pairs sliding Two pairs turning and two pairs sliding Three pairs turning and one pair sliding All four pairs are turning ANSWER DOWNLOAD EXAMIANS APP