Engineering Mechanics - Practice Test

(A) kW (kilowatt)

(B) hp (horse power)

(C) kcal/sec

(D) kcal/kg sec

(D) kcal/kg sec

(A) Proportional to normal load between the surfaces

(B) Dependent on the materials of contact surface

(C) Proportional to velocity of sliding

(D) Independent of the area of contact surfaces

(C) Proportional to velocity of sliding

(A) Equal to

(B) Less than

(C) Greater than

(D) None of these

(C) Greater than

(A) $$frac{{3{ ext{r}}}}{8}$$

(B) $$frac{{4{ ext{r}}}}{{3pi }}$$

(C) $$frac{{8{ ext{r}}}}{3}$$

(D) $$frac{{3{ ext{r}}}}{{4pi }}$$

(B) $$frac{{4{ ext{r}}}}{{3pi }}$$

(A) Velocity

(B) Acceleration

(C) Momentum

(D) None of these

(A) Velocity

Engineering Mechanics - Study Mode