Theory of Machine When the primary direct crank of a reciprocating engine makes an angle of 'θ' with the line of stroke, then the secondary direct crank will make an angle of _________ with the line of stroke. 2θ θ 4θ θ/2 2θ θ 4θ θ/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. The acceleration of the piston P with respect to the crank-pin C is given by ω² × NO ω² × CO ω² × QN ω² × CN ω² × NO ω² × CO ω² × QN ω² × CN ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The train value of a gear train is Reciprocal of velocity ratio of a gear train Always greater than unity Always less than unity Equal to velocity ratio of a gear train Reciprocal of velocity ratio of a gear train Always greater than unity Always less than unity Equal to velocity ratio of a gear train ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free transverse vibrations due to a point load acting over a simply supported shaft is equal to (where δ = Static deflection of a simply supported shaft due to the point load) 0.5615/√δ 0.6253/√δ 0.571/√δ 0.4985/√δ 0.5615/√δ 0.6253/√δ 0.571/√δ 0.4985/√δ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The locus of a point on a thread unwound from a cylinder will be A circle A straight line Involute Cycloidal A circle A straight line Involute Cycloidal ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The fundamental equation for correct steering is (where φ and α = Angle through which the axis of the outer wheel and inner wheel turns respectively, c = Distance between the pivots of the front axles, and d = Wheel base) cosφ - sinα = c/b sinφ + sinα = b/c cotφ - cotα = c/b tanφ + cotα = b/c cosφ - sinα = c/b sinφ + sinα = b/c cotφ - cotα = c/b tanφ + cotα = b/c ANSWER DOWNLOAD EXAMIANS APP
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