Theory of Machine When the crank is at the inner dead center, in a reciprocating steam engine, then the acceleration of the piston will be ω²r. n/(n - 1) ω²r. n/(n + 1) ω²r. (n + 1)/n ω²r. (n - 1)/n ω²r. n/(n - 1) ω²r. n/(n + 1) ω²r. (n + 1)/n ω²r. (n - 1)/n ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a conical pivot bearing, considering uniform pressure, is (where R = Radius of shaft, and α = Semi-angle of the cone) (2/3) μ W R cosecα (1/2) μ W R cosecα μ W R cosecα (3/4) μ W R cosecα (2/3) μ W R cosecα (1/2) μ W R cosecα μ W R cosecα (3/4) μ W R cosecα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Cam size depends upon Pitch circle Outer circle Base circle Prime circle Pitch circle Outer circle Base circle Prime circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of a cross belt drive. The length of the belt is π (r₁ + r₂) + [(r₁ + r₂)²/x] + 2x π (r₁ - r₂) + [(r₁ + r₂)²/x] + 2x π (r₁ - r₂) + [(r₁ - r₂)²/x] + 2x π (r₁ + r₂) + [(r₁ - r₂)²/x] + 2x π (r₁ + r₂) + [(r₁ + r₂)²/x] + 2x π (r₁ - r₂) + [(r₁ + r₂)²/x] + 2x π (r₁ - r₂) + [(r₁ - r₂)²/x] + 2x π (r₁ + r₂) + [(r₁ - r₂)²/x] + 2x ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the number of links in a mechanism is equal to l, then the numbers of possible inversions are equal to l l + 1 l - 1 l - 2 l l + 1 l - 1 l - 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, if N coincides with O, then Acceleration and velocity of the piston P is zero Acceleration and velocity of the piston P is maximum Acceleration of the piston P is zero and its velocity is maximum Acceleration of the piston P is maximum and its velocity is zero Acceleration and velocity of the piston P is zero Acceleration and velocity of the piston P is maximum Acceleration of the piston P is zero and its velocity is maximum Acceleration of the piston P is maximum and its velocity is zero ANSWER DOWNLOAD EXAMIANS APP