Machine Design In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by Increasing the cross-section area of bar Remain unaffected with cross-section area Decreasing the cross-section area of bar Would depend upon other factors Increasing the cross-section area of bar Remain unaffected with cross-section area Decreasing the cross-section area of bar Would depend upon other factors ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum shear stress theory is used for Nonferrous materials Brittle materials Plastic materials Ductile materials Nonferrous materials Brittle materials Plastic materials Ductile materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following screw thread is adopted for power transmission in either direction? Acme threads Multiple threads Square threads Buttress threads Acme threads Multiple threads Square threads Buttress threads 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) 4μ sinθ/(θ + sinθ) 4μ sinθ/(2θ + sin 2θ) 2μ sinθ/(θ + sinθ) μ sinθ/(2θ + sin 2θ) 4μ sinθ/(θ + sinθ) 4μ sinθ/(2θ + sin 2θ) 2μ sinθ/(θ + sinθ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The piston rod of a steam engine is usually connected to the cross-head by means of Knuckle joint Universal joint Cotter joint Bolted joint Knuckle joint Universal joint Cotter joint Bolted joint ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following is a permanent fastening? Bolts Cotters Rivets Keys Bolts Cotters Rivets Keys ANSWER DOWNLOAD EXAMIANS APP