Exam Question

(a) Describe the key differences between plate-type and tube-type coolers used in marine engine cooling systems. How do the design and operation of each type impact their efficiency and suitably for different applications? (6)

(b) Explain the criteria for choosing between a plate-type cooler and a tube-type cooler. (5)

(c) Explain the purpose and procedure of back flushing a plate-type cooler. How does this process help maintain the efficiency of the cooler and prevent fouling? (5)