Machine Design The function of cutting oil when threading a pipe is to Help removes chips All of these Lubricate the dies Provide cooling action Help removes chips All of these Lubricate the dies Provide cooling action ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? 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 a self locking screw can not be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread 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 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 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 = μθ × n T₁/T₂ = [(1 + μ tanθ)/ (1 - μ tanθ)]n T₁/T₂ = [(1 - μ tanθ)/ (1 + μ tanθ)]n T₁/T₂ = (μθ)n T₁/T₂ = μθ × n T₁/T₂ = [(1 + μ tanθ)/ (1 - μ tanθ)]n T₁/T₂ = [(1 - μ tanθ)/ (1 + μ tanθ)]n ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bolt is designed on the basis of __________ with a large factor of safety. Direct bending stress Direct compressive stress Direct tensile stress Direct shear stress Direct bending stress Direct compressive stress Direct tensile stress Direct shear stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design Rankine Gordon formula for buckling is valid for Long column Very long column Short column Short and long column Long column Very long column Short column Short and long column ANSWER DOWNLOAD EXAMIANS APP
Machine Design The distribution of the forces along the length of key fitted in a shaft Varies exponentially, being more near the torque-input end Varies linearly Varies exponentially, being less near the torque-input end Is uniform throughout Varies exponentially, being more near the torque-input end Varies linearly Varies exponentially, being less near the torque-input end Is uniform throughout ANSWER DOWNLOAD EXAMIANS APP
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