Machine Design The piston rod of a steam engine is usually connected to the cross-head by means of Knuckle joint Cotter joint Universal joint Bolted joint Knuckle joint Cotter joint Universal joint Bolted joint ANSWER DOWNLOAD EXAMIANS APP
Machine Design The strength of a riveted joint is equal to Least value of Pt Ps and Pc Shearing strength of rivet (Ps) Tearing strength of plate (Pt) Crushing strength of rivet (Pc) Least value of Pt Ps and Pc Shearing strength of rivet (Ps) Tearing strength of plate (Pt) Crushing strength of rivet (Pc) ANSWER DOWNLOAD EXAMIANS APP
Machine Design A long helical spring having a spring stiffness of 12 kN/m and number of turns 20, breaks into two parts with number of turns 10 each in both the parts. If the two parts are connected in series, then the softness of the resultant spring will be 12 kN/m 24 kN/m 6 kN/m 30 kN/m 12 kN/m 24 kN/m 6 kN/m 30 kN/m ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is F P F.P F + P F P F.P F + P ANSWER DOWNLOAD EXAMIANS APP
Machine Design If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation 138 d 124 d 151 d 168 d 138 d 124 d 151 d 168 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design For hardening alloy steels and high speed steels, they are heated to 500 to 600°C 1300 to 1500°C 1100 to 1300°C 700 to 900°C 500 to 600°C 1300 to 1500°C 1100 to 1300°C 700 to 900°C ANSWER DOWNLOAD EXAMIANS APP