Machine Design If T is the actual number of teeth on a helical gear and φ is the helix angle for the teeth, then formative number of teeth is written as T/sec³φ T cosecφ T sec³φ T sec²φ T/sec³φ T cosecφ T sec³φ T sec²φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a metal or alloy is cold worked, Both (A) and (B) It is worked below recrystallization temperature Its hardness and strength increases None of these Both (A) and (B) It is worked below recrystallization temperature Its hardness and strength increases None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to avoid tearing of the plate at an edge, the distance from the centre line of the rivet hole to the nearest edge of the plate should be equal to (where d = Diameter of rivet hole) 2.5 d 1 d 1.5 d 2 d 2.5 d 1 d 1.5 d 2 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design An elastic bar is fixed at the upper end and loaded at the lower end by a falling weight. The shock load produced can be reduced by All of these Increasing the length of bar Decreasing the cross-sectional area of the bar Decreasing the modulus of elasticity of the bar All of these Increasing the length of bar Decreasing the cross-sectional area of the bar Decreasing the modulus of elasticity of the bar ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to maximum normal stress theory, the maximum normal stress in the shaft is (1/2) × [σ + √(σ² × 4τ²)] (1/2) × √(σ² × 4τ²) √(σ² × 4τ²) σ + √(σ² × 4τ²) (1/2) × [σ + √(σ² × 4τ²)] (1/2) × √(σ² × 4τ²) √(σ² × 4τ²) σ + √(σ² × 4τ²) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The following type of nut is used with alien bolt Slotted nut Hexagonal nut Castle nut Any one of the above Slotted nut Hexagonal nut Castle nut Any one of the above ANSWER DOWNLOAD EXAMIANS APP
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