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Process Equipment and Plant Design Quiz 5

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Process Equipment and Plant Design Quiz 5

1 / 50

Pick out the wrong statement?

2 / 50

Pick out the correct statement?

3 / 50

Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than _______ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop?

4 / 50

Pressure differential maintained across a continuous rotary vacuum filter is in the range of ________ mm Hg column?

5 / 50

Ratio of tube length to shell diameter for a shell and tube heat exchanger is_________?

6 / 50

Shortest distance between two tubes is_____?

7 / 50

Pick out the wrong statement about routing of fluids in a shell and tube heat exchanger ?

8 / 50

Pick out the wrong statement ?

9 / 50

Pick out the correct statement_____?

10 / 50

Pick out the wrong statement?

11 / 50

Shell side heat transfer co-efficient in case of square pitch as compared to the triangular pitch under similar condition of fluid flow and tube size is______?

12 / 50

Pick out the wrong statement about the design of sieve plate column and the bubble cap column ?

13 / 50

Rate of filtrate delivery is inversely proportional to the_____?

14 / 50

Pick out the wrong statement ?

15 / 50

Rivets are generally specified by the______?

16 / 50

Smoker?s equation for the calculation of number of equilibrium stages in a continuous binary distillation column is used, when the__________?

17 / 50

Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than _______ of the head?

18 / 50

Pick out the correct statement ?

19 / 50

Pick out the wrong statement pertaining to the use of valve tray, seive tray and bubble cap trays in continuous distillation column ?

20 / 50

Scale up problem in design based on the similarity concept takes into account ________ similarity?

21 / 50

Saddle supports are used for supporting ______ vessels?

22 / 50

Pick out the wrong statement pertaining to the design of the distillation column?

23 / 50

Pick out the wrong statement?

24 / 50

Pick out the wrong statement pertaining to the comparative evaluation of performance of the packed tower and the plate tower ?

25 / 50

Pick out the wrong statement pertaining to the design of a long tube vertical evaporator ?

26 / 50

Pick out the wrong statement about the design of a sieve plate column ?

27 / 50

Poisson?s ratio of a material is the ratio of unit lateral strain to the unit axial elongation within its elastic limit. The value of Poisson?s ratio for structural and pressure vessel steel may be taken as ______?

28 / 50

Pick out the wrong statement pertaining to ?Horton sphere? used for the storage of liquid ammonia ?

29 / 50

Removable connection of tubes to tube sheet is called_____?

30 / 50

Overall tray efficiency of a distillation column is the ratio of the number of _____?

31 / 50

Pick out the wrong statement about distillation operation___________?

32 / 50

Pick out the wrong statement?

33 / 50

Pressure drop per tray in the atmospheric distillation column is about _________ psi?

34 / 50

Pick out the wrong statement pertaining to the design of a horizontal tube evaporator ?

35 / 50

Pick out the wrong statement pertaining to shell and tube heat exchanger________?

36 / 50

Seamless pipe is made_________?

37 / 50

Ponchon Savarit method is based on the use of enthalpy concentration diagram, which contains the bubble point curve (saturated liquid curve), dew point curve (saturated vapour curve) and equilibrium tie lines. As compared to McCabe-Thiele?s method, this method__________?

38 / 50

Rotary driers are most economically designed for the number of heat transfer units (HTU) from __________?

39 / 50

Safety valves are provided in chemical equipments to guard against excessive__________?

40 / 50

Pick out the wrong statement. In an agitated vertical cylindrical reaction vessel, the_____?

41 / 50

Slope of counter-current flow rotary drier is in the range of _____ meter/metre?

42 / 50

Pick out the wrong statement ?

43 / 50

Pick out the wrong statement pertaining to the design of a basket type evaporator ?

44 / 50

Pick out the wrong statement ?

45 / 50

Pressure drop (?p) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as__________?

46 / 50

Power required for agitation depends upon the________?

47 / 50

Pick out the wrong statement pertaining to a shell and tube heat exchanger ?

48 / 50

Pick out the wrong statement?

49 / 50

Reflux ratio variation in a distillation column is between_____?

50 / 50

Pressure drop due to pipe fittings can be estimated by the equation, ?P/? = 4f, (Le/D) (V2/2gc) where, Le = equivalent length of straight pipeline which will incur the same frictional loss as the fitting and D = diameter of the fitting. The value of (Le/D) (dimensionless) for 45? elbow and 180? close return bends would be respectively around________?

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