A. Temperature difference
B. Heat flux
C. That across the entire pipe
D. None of these
A. The heat transfer rate is low in view of the large temperature drop
B. It is difficult to maintain
C. It is not economic
D. None of these
A. Finned tube heat exchanger with air inside and steam outside
B. Finned tube heat exchanger with air outside and steam inside
C. Shell and tube heat exchanger with air inside tubes and steam on shell side
D. Shell and tube heat exchanger with air on shell side and steam inside tubes
A. Δt1/2
B. Δt2
C. Δt5/4
D. Δt
A. Hardness
B. Dissolved solids content
C. Suspended solids content
D. All A., B. and C.
A. Viscous
B. Elastic
C. Inertial
D. None of these
A. Parallel
B. Counter
C. Cross
D. None of these