Heat Transfer - Practice Test

(A) $${ ext{St}} = frac{{ ext{f}}}{2}$$

(B) $${ ext{St}} = frac{{ ext{f}}}{4}$$

(C) St = 4f

(D) $${ ext{St}} = {{ ext{f}}^{frac{1}{2}}}$$

(A) $${ ext{St}} = frac{{ ext{f}}}{2}$$

(A) Agitated film evaporator

(B) Long tube vertical evaporator

(C) Open pan evaporator

(D) None of these

(B) Long tube vertical evaporator

(A) Boiling point (at the same pressure)

(B) Viscosity

(C) Density

(D) Thermal conductivity

(A) Boiling point (at the same pressure)

(A) Thin walled having the value of A o A i /< 2

(B) Thick walled

(C) Having the value of A o /A i > 2

(D) Both B and C

(A) Thin walled having the value of A o A i /< 2

(A) Heat transfer co-efficient

(B) Thermal diffusivity

(C) Thermal conductivity

(D) Stefan-Boltzman constant

(C) Thermal conductivity

Heat Transfer - Study Mode