A. U-tube
B. Double pipe
C. Fixed tube
D. Floating head
A. Heating volume
B. Heat transfer area
C. Nusselt number
D. None of these
A. gD3.β.Δtρ2/μ2
B. gD2βΔtρ/μ2
C. gD2βΔtP2μ
D. gD3βΔtP2/μ
A. Viscosity of liquid is highest in first effect
B. Transfer from effect to effect is done by pumps
C. No pump is required to withdraw the product from the last effect
D. None of these
A. 50 -100 Kcal/hr.m2.°C
B. 50 -100 W/m2.°K
C. 50 -100 BTU/hr. ft.2°F
D. 1000 – 1500 BTU/hr. ft.2°F
A. > 0.75
B. < 0.75
C. < 0.50
D. < 0.25
A. Cumulatively increases
B. Cumulatively decreases
C. Remain constant
D. And the surface conductance increase