- (A) Less than
- (B) More than
- (C) Same as
- (D) Either more or less (depending upon relative volatility
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- (A) Heat transfer between corrosive fluids
- (B) Cases where temperature difference between the shell and the tubes is more (>50°C)
- (C) Co-current heat transfer systems
- (D) Counter-current heat transfer systems
- (A) 0.55
- (B) 0.75
- (C) 0.85
- (D) 0.95
- (A) Aa = Sa
- (B) 1.2 Aa = 1.2 Sa
- (C) Sa = 1.5 Aa
- (D) Aa = 1.5 Sa
- (A) Very large diameter pipes
- (B) High pressure throttling service
- (C) Very accurate flow control
- (D) Smaller sizes of pipe
- (A) ζh = 2 ζL
- (B) ζh = ζL
- (C) ζh = ζL/2
- (D) No relation exists
- (A) Shape
- (B) Outside diameter
- (C) Height
- (D) All A,
- (A) ≤ 1
- (B) ≤ 2
- (C) > 2.5
- (D) > 3.5
- (A) 0.1-0.5
- (B) 1-2
- (C) 10-50
- (D) 15-30
- (A) 6.5 cms
- (B) 6.5 mm
- (C) Equal to tube I.D
- (D) Equal to tube O.D
