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 The length of a simple pendulum which gives the same frequency as the compound pendulum, is (kG² + l₁²)/ l₁ kG² + l₁ kG + l₁ (kG + l₁²)/ l₁ (kG² + l₁²)/ l₁ kG² + l₁ kG + l₁ (kG + l₁²)/ l₁ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotor of a ship rotates in clockwise direction when viewed from stern and the ship takes a left turn. The effect of gyroscopic couple acting on it will be To lower the bow and stern To raise the bow and stern To raise the stern and lower the bow To raise the bow and lower the stern To lower the bow and stern To raise the bow and stern To raise the stern and lower the bow To raise the bow and lower the stern ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A watt's governor can work satisfactorily at speeds from 100 to 200 r.p.m. 200 to 300 r.p.m. 80 to 100 r.p.m. 60 to 80 r.p.m. 100 to 200 r.p.m. 200 to 300 r.p.m. 80 to 100 r.p.m. 60 to 80 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A kinematic chain is known as a mechanism when Two of the links are fixed None of the links is fixed None of these One of the links is fixed Two of the links are fixed None of the links is fixed None of these One of the links is fixed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fixed pivots of crank and followers is Slightly more than 95 mm 95 mm Slightly less than 95 mm 45 mm Slightly more than 95 mm 95 mm Slightly less than 95 mm 45 mm ANSWER DOWNLOAD EXAMIANS APP