Machine Design - Practice Test

(A) Its hardness and strength increases

(B) It is worked below recrystallization temperature

(C) Both (A) and (B)

(D) None of these

(C) Both (A) and (B)

(A) $$frac{1}{2}sqrt {{sigma ^2} imes 4{ au ^2}} $$

(B) $$sqrt {{sigma ^2} imes 4{ au ^2}} $$

(C) $$frac{1}{2}left( {sigma + sqrt {{sigma ^2} imes 4{ au ^2}} } ight)$$

(D) $$sigma + sqrt {{sigma ^2} imes 4{ au ^2}} $$

(C) $$frac{1}{2}left( {sigma + sqrt {{sigma ^2} imes 4{ au ^2}} } ight)$$

(A) $$frac{{4{ ext{F}}}}{{pi {{ ext{d}}^2}}}$$

(B) $$frac{{{ ext{6F}}}}{{pi {{ ext{d}}^2}}}$$

(C) $$frac{{{ ext{8F}}}}{{pi {{ ext{d}}^2}}}$$

(D) $$frac{{{ ext{16F}}}}{{3pi {{ ext{d}}^2}}}$$

(D) $$frac{{{ ext{16F}}}}{{3pi {{ ext{d}}^2}}}$$

(A) $$frac{{ ext{F}}}{{{ ext{bh}}}}$$

(B) $$frac{{{ ext{3F}}}}{{{ ext{2bh}}}}$$

(C) $$frac{{{ ext{2F}}}}{{{ ext{bh}}}}$$

(D) $$frac{{{ ext{4F}}}}{{{ ext{bh}}}}$$

(B) $$frac{{{ ext{3F}}}}{{{ ext{2bh}}}}$$

(A) Bottom of groove of the pulley

(B) Sides and bottom of groove of the pulley

(C) Anywhere in the groove of the pulley

(D) Sides of groove of the pulley

(A) Bottom of groove of the pulley

Machine Design - Study Mode