Machine Design The dynamic tooth load is due to Deflections of teeth under load Irregularities in tooth profiles All of these Inaccuracies of tooth spacing Deflections of teeth under load Irregularities in tooth profiles All of these Inaccuracies of tooth spacing ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following screw thread is used for power transmission in one direction only? Buttress threads Multiple threads Square threads Acme threads Buttress threads Multiple threads Square threads Acme threads 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% The efficiency of Acme (trapezoidal) thread is less than that of a square thread The efficiency of a self locking screw can not be more than 50% Both (A) and (B) If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread The efficiency of a self locking screw can not be more than 50% Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resultant axial load on a bolt depends upon All of these Initial tension due to tightening of the bolt Relative elastic yielding of the bolt and the connected members External load applied All of these Initial tension due to tightening of the bolt Relative elastic yielding of the bolt and the connected members External load applied ANSWER DOWNLOAD EXAMIANS APP
Machine Design Spring stiffness is Ratio of coil diameter to wire diameter Its ability to absorb shocks Load required to produce unit deflection Its capability of storing energy Ratio of coil diameter to wire diameter Its ability to absorb shocks Load required to produce unit deflection Its capability of storing energy ANSWER DOWNLOAD EXAMIANS APP
Machine Design For a shoe brake, the equivalent coefficient of friction is equal to (where μ = Actual coefficient of friction, and θ = Semi-block angle) μ sinθ/(2θ + sin 2θ) 2μ sinθ/(θ + sinθ) 4μ sinθ/(2θ + sin 2θ) 4μ sinθ/(θ + sinθ) μ sinθ/(2θ + sin 2θ) 2μ sinθ/(θ + sinθ) 4μ sinθ/(2θ + sin 2θ) 4μ sinθ/(θ + sinθ) ANSWER DOWNLOAD EXAMIANS APP
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