- (A) Facilitate draining out liquid from a tray when the unit is not in operation
- (B) Are normally located near the overflow weir so that any delivery of liquid during operation follows approximately the same path as the overflow fluid
- (C) Must be large enough (usually 1/4″ to 5/8″ dia) to prevent plugging but should not deliver excessive amount of fluid during operation
- (D) All
Chemical Engineering Mcqs
- (A) 1
- (B) 2
- (C) 3.5
- (D) 5.5
- (A) 0.15-030
- (B) 0.5-0.65
- (C) 0.75-0.85
- (D) 0.60-0.90
- (A) Vacuum
- (B) High pressure
- (C) High residence time
- (D) None of these
- (A) 1.5
- (B) 1
- (C) > 1
- (D) < 1
- (A) Varies directly as the area and the LMTD
- (B) Directly proportional to LMTD and inversely proportional to the area
- (C) Varies as square of the area
- (D) None of these
- (A) gD3.β.Δtρ2/μ2
- (B) gD2βΔtρ/μ2
- (C) gD2βΔtP2μ
- (D) gD3βΔtP2/μ
- (A) Parabolic
- (B) Hyperbolic
- (C) Linear
- (D) Logarithmic
- (A) Tar dolomite bricks followed by asbestos
- (B) Fireclay refractory followed by aluminium sheet
- (C) Cotton followed by aluminium foil
- (D) 85% magnesia cement and glass wool
- (A) Horizontal
- (B) Vertical
- (C) Inclined
- (D) Random
