Explain a thermal spraying system of your choice using suitable sketch.

a) Explain a thermal spraying system of your choice using suitable sketch.b) Name the parameters of the process written against QI a).c) Explain the role of one of those parameter_ written against Q 1b).

Explain the working principle and application of different temperature sensors with neat sketches.

State and explain an advantage of using electrostatic spray guns to paint the body of a car.

Sprays are mixtures in which liquid droplets are scattered throughout a gas, usually air. List two examples of sprays and describe how they are used in everyday life.

Plastic pellets (store) in a hopper at the top of the machine.The pieces of plastic (transfer) from the hopper into a cylinder.The plastic (propel) along the cylinder by a rotating screw.The heaters around the cylinder (raise) the temperature of the plastic.As a result, the soft, warm plastic softens and (flow) more easily.The plastic (force) under pressure through a small nozzle.