Frame thickness in the plate and frame filter press is normally in the range of ______________ inches?

Related Mcqs:

1. Thickness of the frame of a plate and frame filter as compared to that of plates is___________________?

   A. Less
   B. Same
   C. More
   D. Either A. or B.

2. The minimum plate spacing in most of the petroleum refinery distillation columns (of dia > 3 ft) is normally _____________ inches?

   A. 6
   B. 12
   C. 18
   D. 36

3. The ratio for the rate of washing to the final rate of filtration in a washing type of plate and frame filter is____________________?

   A. 0.25
   B. 0.50
   C. 0.75
   D. 1.25

4. Large process vessels operating under extreme temperature and pressure conditions are normally clad/ lined with materials like stainless steel, aluminium, nickel & its alloys, copper & its alloys and titanium. The cladding thickness is generally about ______________ percent of the total thickness?

   A. 1 to 5
   B. 10 to 20
   C. 30 to 40
   D. 40 to 50

5. A high vapour velocity is required for high plate efficiency in a sieve plate column. The satisfactory value of operating vapor velocity for design purpose in sieve plate column is about _______________ percent of the flooding velocity?

   A. 45
   B. 60
   C. 80
   D. 95

6. Normally, the plate thickness of the bottoms and roofs of vertically cylindrical storage vessels as compared to that of the cylindrical shell is____________?

   A. More
   B. Less
   C. Same
   D. More or less depending upon the pressure & temperature inside the vessel and the nature of
   the fluid contained therein

7. Tubes are fixed to the tube sheet (a thick circular metallic plate) by the method of tube rolling and brazing (non-removable) or ferrule connection (removable). Thickness of the tube, sheet is normally ____________ the outside diameter of the tube but in no case it should be less than 22 mm (7/8″)?

   A. Half
   B. Three fourth
   C. Equal to
   D. 1.5 times

8. The minimum tray spacing in distillation column of diameter less than 3 ft is normally _____________ inches?

   A. 6
   B. 18
   C. 24
   D. 34

9. Generally, no corrosion allowance in wall thickness of a part is required, if the thickness is more than ______________ mm?

   A. 10
   B. 20
   C. 30
   D. 5

10. In sieve plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally ______________ times the hole diameter to give the required hole area?

    A. 0.5 to 1.5
    B. 2.5 to 4.0
    C. 5 to 10
    D. 10 to 15