Machine Design If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (according to Barth) will be equal to (Where, Pc is centrifugal tension) P1 + P2 [(√P1 + √P2)/2]² [⅟₂ × (P1 + P2)] + Pc ⅟₂× (P1 + P2) P1 + P2 [(√P1 + √P2)/2]² [⅟₂ × (P1 + P2)] + Pc ⅟₂× (P1 + P2) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following screw thread is used for power transmission in one direction only? Square threads Multiple threads Buttress threads Acme threads Square threads Multiple threads Buttress threads Acme threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct for gears? The addendum is less than dedendum The pitch circle diameter is equal to the product of module and number of teeth All of these The pitch circle is always greater than the base circle The addendum is less than dedendum The pitch circle diameter is equal to the product of module and number of teeth All of these The pitch circle is always greater than the base circle ANSWER DOWNLOAD EXAMIANS APP
Machine Design A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where σ = Stress for a plate with no hole i.e. nominal stress) σ [1 + (b/3a)] σ [1 + (2a/b)] σ [1 + (b/2a)] σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (2a/b)] σ [1 + (b/2a)] σ [1 + (3a/b)] ANSWER DOWNLOAD EXAMIANS APP
Machine Design The plasticity is the property of a material which enables it to Draw into wires by the application of a tensile force Retain deformation produced under load permanently Resist fracture due to high impact loads Regain its original shape after deformation when the external forces are removed Draw into wires by the application of a tensile force Retain deformation produced under load permanently Resist fracture due to high impact loads Regain its original shape after deformation when the external forces are removed ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a flange coupling, the bolts are subjected to Tensile stress Shear stress None of these Compressive stress Tensile stress Shear stress None of these Compressive stress ANSWER DOWNLOAD EXAMIANS APP
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