Machine Design If two springs are in parallel then their overall stiffness will be Same None of these Double Half Same None of these Double Half ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following spring is used in mechanical wrist watch? Spiral spring Helical compression spring Torsion spring Belleville spring Spiral spring Helical compression spring Torsion spring Belleville spring ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% Both (A) and (B) The efficiency of a self locking screw can not be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% Both (A) and (B) The efficiency of a self locking screw can not be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile strength is 0.35 0.2 0.5 0.65 0.35 0.2 0.5 0.65 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts ‘A’ and ‘B’ under pure torsion are of identical length and identical weight and are made of the same material. The shaft ‘A’ is solid and the shaft ‘B’ is hollow. We can say that None of these Shaft B is better than shaft A Both the shafts are equally good Shaft A is better than shaft B None of these Shaft B is better than shaft A Both the shafts are equally good Shaft A is better than shaft B ANSWER DOWNLOAD EXAMIANS APP
Machine Design The strength of a riveted joint is equal to Tearing strength of plate (Pt) Shearing strength of rivet (Ps) Crushing strength of rivet (Pc) Least value of Pt Ps and Pc Tearing strength of plate (Pt) Shearing strength of rivet (Ps) Crushing strength of rivet (Pc) Least value of Pt Ps and Pc ANSWER DOWNLOAD EXAMIANS APP
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