In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be

Process Equipment and Plant Design
In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be

Same as that for fluid flow

More than that for fluid flow

Less than that for fluid flow

D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively)

Same as that for fluid flow

More than that for fluid flow

Less than that for fluid flow

D₂ - D₁ (D₁ and D₂ are I.D. of inner and outer pipes respectively)

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Process Equipment and Plant Design
Power required for agitation depends upon the

Agitator type & speed of agitation

Height & properties of the liquid

All of these

Size of agitator & the tank

Agitator type & speed of agitation

Height & properties of the liquid

All of these

Size of agitator & the tank

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Process Equipment and Plant Design
Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin's formula as

D = 1.5 t

D = 1.1 t

D = 1.6 √t

D = 3√t

D = 1.5 t

D = 1.1 t

D = 1.6 √t

D = 3√t

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Process Equipment and Plant Design
For identical operating conditions, the pressure drop over __________ tray is the highest out of the following.

Bubble cap

Sieve

Counterflow

Valve

Bubble cap

Sieve

Counterflow

Valve

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Process Equipment and Plant Design
In shell and tube heat exchangers, straight tie rods are used to

Fix the tubes in position

Hold baffle in space

None of these

Account for thermal strain

Fix the tubes in position

Hold baffle in space

None of these

Account for thermal strain

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Process Equipment and Plant Design
Normally, the ratio of the total riser area to the tower cross sectional area (for bubble cap towers of diameter more than 3 ft) is around

0.35-0.75

0.55-0.85

0.4-0.6

0.1-0.2

0.35-0.75

0.55-0.85

0.4-0.6

0.1-0.2

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Process Equipment and Plant Design

Process Equipment and Plant Design In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be

Process Equipment and Plant Design Power required for agitation depends upon the

Process Equipment and Plant Design Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin's formula as

Process Equipment and Plant Design For identical operating conditions, the pressure drop over __________ tray is the highest out of the following.

Process Equipment and Plant Design In shell and tube heat exchangers, straight tie rods are used to

Process Equipment and Plant Design Normally, the ratio of the total riser area to the tower cross sectional area (for bubble cap towers of diameter more than 3 ft) is around

Process Equipment and Plant Design
In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be

Process Equipment and Plant Design
Power required for agitation depends upon the

Process Equipment and Plant Design
Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin's formula as

Process Equipment and Plant Design
For identical operating conditions, the pressure drop over __________ tray is the highest out of the following.

Process Equipment and Plant Design
In shell and tube heat exchangers, straight tie rods are used to

Process Equipment and Plant Design
Normally, the ratio of the total riser area to the tower cross sectional area (for bubble cap towers of diameter more than 3 ft) is around