In: Mechanical Engineering
s) Sketch a rotary vane steering gear, label the parts
and explain how it functions.
b) List five (5) vital checks to carry out prior to the ship
sailing out of port.
c) Draw a basic direct expansion refrigeration cycle and describe
its operation
d) In Heating Ventilation and Air Conditioning (HVAC), explain what
operation is carried
out to achieve comfort (in terms of humidity) during summer and in
winter.