Heat exchanger tubes are never made of:
Heat exchanger tubes are never made of:
A. Plain Carbon Steel
B. Stainless Steel
C. Lead
D. Copper
A. Plain Carbon Steel
B. Stainless Steel
C. Lead
D. Copper
A. Carbohydrates
B. Lipids
C. Proteins
D. Nucleic acids
A. 4
B. 5
C. 6
D. 8
A. Larynx
B. Pharynx
C. Trachea
D. Mouth
A. 62
B. 73
C. 79
D.53
A. HHypothermia
B. Pyrexia
C. Hypertension
D. Thermophilia
A. 1300-3000A
B. 3900-7600A
C. 7800-8000A
D. None of these