Machine Design Machine screws are Used to prevent relative motion between two parts Similar to stud Similar to small size tap bolts except that a greater variety of shapes of heads are available Slotted for a screw driver and generally used with a nut Used to prevent relative motion between two parts Similar to stud Similar to small size tap bolts except that a greater variety of shapes of heads are available Slotted for a screw driver and generally used with a nut ANSWER DOWNLOAD EXAMIANS APP
Machine Design Applications in which stresses are encountered in one direction only uses following type of threads Metric Acme Square Buttress Metric Acme Square Buttress ANSWER DOWNLOAD EXAMIANS APP
Machine Design The spring mostly used in gramophones is Flat spiral spring Conical spring Volute spring Helical spring Flat spiral spring Conical spring Volute spring Helical spring ANSWER DOWNLOAD EXAMIANS APP
Machine Design For low and moderate speed engines, the cam follower should move with Simple harmonic motion Uniform acceleration and retardation Uniform velocity Cycloidal motion Simple harmonic motion Uniform acceleration and retardation Uniform velocity Cycloidal motion ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Unwin's formula, the relation between the diameter of rivet hole (d) and the thickness of plate (t) is given by (where d and t are in mm) d = 2√t d = √t d = 6√t d = 1.6√t d = 2√t d = √t d = 6√t d = 1.6√t 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/2a)] σ [1 + (b/3a)] σ [1 + (2a/b)] σ [1 + (3a/b)] σ [1 + (b/2a)] σ [1 + (b/3a)] σ [1 + (2a/b)] ANSWER DOWNLOAD EXAMIANS APP
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