Machine Design Screws used for power transmission should have Low efficiency Very fine threads High efficiency Strong teeth Low efficiency Very fine threads High efficiency Strong teeth ANSWER DOWNLOAD EXAMIANS APP
Machine Design Tensile strength of a mild steel specimen can be roughly predicted from following hardness test Rockwell Vickers Brinell None of these Rockwell Vickers Brinell None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The product of the diametral pitch and circular pitch is equal to π × number of teeth π 1/π 1 π × number of teeth π 1/π 1 ANSWER DOWNLOAD EXAMIANS APP
Machine Design For low and moderate speed engines, the cam follower should move with Uniform velocity Cycloidal motion Uniform acceleration and retardation Simple harmonic motion Uniform velocity Cycloidal motion Uniform acceleration and retardation Simple harmonic motion 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 + (3a/b)] σ [1 + (b/3a)] σ [1 + (b/2a)] σ [1 + (2a/b)] σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (b/2a)] σ [1 + (2a/b)] ANSWER DOWNLOAD EXAMIANS APP
Machine Design The helix angle for double helical gears may be made up to 60° 45° 90° 75° 60° 45° 90° 75° ANSWER DOWNLOAD EXAMIANS APP
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