Length to diameter ratio of most rotary driers is in the range of

Process Equipment and Plant Design
Length to diameter ratio of most rotary driers is in the range of

1 to 2

10 to 20

20 to 30

4 to 10

1 to 2

10 to 20

20 to 30

4 to 10

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Process Equipment and Plant Design
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.

40 to 50

10 to 20

30 to 40

1 to 5

40 to 50

10 to 20

30 to 40

1 to 5

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to 'Horton sphere' used for the storage of liquid ammonia.

Horton sphere is used for the storage of liquid at sub-zero temperature at very high pressure upto 200 kg/cm²

Thickness of spherical shell is half that of the cylinderical vessel under same operating pressure condition. Besides, the ratio of surface area to volume is less for sphere than any other shape ; hen

Diameter of Horton sphere is normally 6 to 25 metres and it is supported by 6 to 12 nos. tubular or rolled section column

Horton sphere is used for the storage of gases and volatile liquid at a moderate pressure of 1 to 10 kg/cm²

Horton sphere is used for the storage of liquid at sub-zero temperature at very high pressure upto 200 kg/cm²

Thickness of spherical shell is half that of the cylinderical vessel under same operating pressure condition. Besides, the ratio of surface area to volume is less for sphere than any other shape ; hen

Diameter of Horton sphere is normally 6 to 25 metres and it is supported by 6 to 12 nos. tubular or rolled section column

Horton sphere is used for the storage of gases and volatile liquid at a moderate pressure of 1 to 10 kg/cm²

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Process Equipment and Plant Design
Angled baffles are preferred in the agitation tank to control the swirling action; if the viscosity of the liquid to be mixed is about 200 poise. However, the baffle may be completely eliminated for mixing liquids having viscoisty above __________ poise.

600

300

1500

1000

600

300

1500

1000

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Process Equipment and Plant Design
The wall thickness for a large high pressure pipeline is determined by the consideration of the

Temperature stresses

Circumferential pipewall tension

Forces exerted by static and dynamic action at bends

Axial tensile stress in the pipe

Temperature stresses

Circumferential pipewall tension

Forces exerted by static and dynamic action at bends

Axial tensile stress in the pipe

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Process Equipment and Plant Design
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.

6% of I.D.

Either A or B, whichever is smaller

Either A or B, whichever is larger

3 times the thickness

6% of I.D.

Either A or B, whichever is smaller

Either A or B, whichever is larger

3 times the thickness

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Process Equipment and Plant Design

Process Equipment and Plant Design Length to diameter ratio of most rotary driers is in the range of

Process Equipment and Plant Design Pick out the wrong statement pertaining to 'Horton sphere' used for the storage of liquid ammonia.

Process Equipment and Plant Design Angled baffles are preferred in the agitation tank to control the swirling action; if the viscosity of the liquid to be mixed is about 200 poise. However, the baffle may be completely eliminated for mixing liquids having viscoisty above __________ poise.

Process Equipment and Plant Design The wall thickness for a large high pressure pipeline is determined by the consideration of the

Process Equipment and Plant Design
Length to diameter ratio of most rotary driers is in the range of

Process Equipment and Plant Design
Pick out the wrong statement pertaining to 'Horton sphere' used for the storage of liquid ammonia.

Process Equipment and Plant Design
Angled baffles are preferred in the agitation tank to control the swirling action; if the viscosity of the liquid to be mixed is about 200 poise. However, the baffle may be completely eliminated for mixing liquids having viscoisty above __________ poise.

Process Equipment and Plant Design
The wall thickness for a large high pressure pipeline is determined by the consideration of the