Theory of Machine In considering friction of a V-thread, the virtual coefficient of friction (μ₁) is given by μ₁ = μ/sin β μ₁ = μ sin β μ₁ = μ cos β μ₁ = μ/cos β μ₁ = μ/sin β μ₁ = μ sin β μ₁ = μ cos β μ₁ = μ/cos β ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a multiple V-belt drive, if one of the belts is broken, then we should replace The broken belt only The broken belt and the belts on either side of it None of these All the belts The broken belt only The broken belt and the belts on either side of it None of these All the belts ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If two moving elements have surface contact in motion, such pair is known as Surface pair Sliding pair Rolling pair Higher pair Surface pair Sliding pair Rolling pair Higher pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The contact ratio is given by (Length of path of recess)/(Circular pitch) (Length of the arc of approach)/cosφ (Length of the path of approach)/(Circular pitch) (Length of the arc of contact)/(Circular pitch) (Length of path of recess)/(Circular pitch) (Length of the arc of approach)/cosφ (Length of the path of approach)/(Circular pitch) (Length of the arc of contact)/(Circular pitch) 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 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. 6,000 r.p.m. 5,367 r.p.m. 9,360 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following disciplines provides study of relative motion between the parts of a machine? Applied mechanics Theory of machines Kinematics Mechanisms Applied mechanics Theory of machines Kinematics Mechanisms ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS