Q2. State FOUR advantages and FOUR disadvantages of plate type heat exchangers. (16)
Q4. (a) Describe the actions that the EOOW should take on finding that the temperature of the thrust block is rising above normal acceptable range. (6)
(b) Explain why the thrust block temperature is critical. (10)
Q6. (a) State FOUR different causes of earth faults. (8)
(b) For EACH cause stated in (a), explain how the fault is rectified. (8)
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