Heat Transfer - Practice Test

(A) On polished surfaces

(B) On rough surfaces

(C) In the absence of agitation

(D) None of these

(B) On rough surfaces

(A) Single effect evaporator

(B) Single effect evaporator followed by a crystalliser

(C) Multiple effect evaporator

(D) Multiple effect evaporators followed by a crystalliser

(C) Multiple effect evaporator

(A) Remains unchanged

(B) Increases

(C) Increases or decreases depending on number of shell passes

(D) Decreases

(D) Decreases

(A) 10

(B) > 10

(C) < 10

(D) Either B or C, depends on the mass of the body

(B) > 10

(A) Has the unit m 2 /sec

(B) Is defined as $$frac{{ ext{K}}}{{ ho .{{ ext{C}}_{ ext{p}}}}}$$

(C) Is the ratio of thermal conductivity to thermal capacity

(D) All of the above

(D) All of the above

Heat Transfer - Study Mode