Machine Design Fibrous fracture occurs in Ductile material Elastic material Hard material Brittle material Ductile material Elastic material Hard material Brittle material ANSWER DOWNLOAD EXAMIANS APP
Machine Design In composite or reverse laid ropes Wires in two adjacent strands are twisted in opposite direction Direction of twist of wires and strands are same Wires are not twisted Direction of twist of wires in strands is opposite to the direction of twist of strands Wires in two adjacent strands are twisted in opposite direction Direction of twist of wires and strands are same Wires are not twisted Direction of twist of wires in strands is opposite to the direction of twist of strands ANSWER DOWNLOAD EXAMIANS APP
Machine Design A circular shaft can transmit a torque of 5 kN-m. If the torque is reduced to 4 kN-m, then the maximum value of bending moment that can be applied to the shaft is 3 kN-m 4 kN-m 2 kN-m 1 kN-m 3 kN-m 4 kN-m 2 kN-m 1 kN-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to avoid tearing of the plate at edge, the distance from the center line of the rivet hole to the nearest edge of the plate in terms of dia. of rivet d should be equal to 1.75 d 1 d 1.5 d 1.25 d 1.75 d 1 d 1.5 d 1.25 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a band and block brake, the ratio of tensions on the tight and slack sides of band is given by (where μ = Coefficient of friction between the blocks and the drum, θ = Semi-angle of each block subtending at the centre of drum, and n = Number of blocks) T₁/T₂ = μθ × n T₁/T₂ = [(1 - μ tanθ)/ (1 + μ tanθ)]n T₁/T₂ = (μθ)n T₁/T₂ = [(1 + μ tanθ)/ (1 - μ tanθ)]n T₁/T₂ = μθ × n T₁/T₂ = [(1 - μ tanθ)/ (1 + μ tanθ)]n T₁/T₂ = (μθ)n T₁/T₂ = [(1 + μ tanθ)/ (1 - μ tanθ)]n ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to 4.5/(4.5 + v) 6/(6 + v) 0.75/(0.75 + √v) 3/(3 + v) 4.5/(4.5 + v) 6/(6 + v) 0.75/(0.75 + √v) 3/(3 + v) ANSWER DOWNLOAD EXAMIANS APP
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