MARINE ENGINEERING, AUTOMATION & CONTROL SYSTEMS –I ( T 2112)

SECTION – A
1.Draw & label a simple stress-strain curve for an elastic body and define Hook’s law. (14)
2.Explain (i) Stress, (ii) Strain, (iii) Compressive force/stress, (iv) Tensile force/stress (14)
3.(a) Explain the terms Hardness, Ductility, Malleability & Melting Point. (10)
(b) Give an example to show the failure of materials of a marine equipment or ships structure
under fatigue stress/force. (4)
SECTION- B
4.Give one example each, to show the failure of materials of a marine equipment or ships structure
under tension, compressive & shear stress/force. (14)
5.(a) With help of simple sketch explain a hydraulic equipment used on board ship. (8)
(b) Explain the routine maintenance/checks to be carried out on the hydraulic equipments/
systems. (6)
6.(a) Describe the resistance to flow/loss of energy of fluid due to bends, friction & valves. (10)
(b) Explain the terms sensible heat & latent heat. (4)
SECTION – C
7. Explain the following terms with respect to Crude oil (Mineral oil) & Product cargoes. (14)
(a) Density
(b) Flammability
(c) Viscosity
(d) Cargo heating
(e) Fractional distillation
8. (a) What is an IOPP certificate & what is its validity. (4)
(b)Name the equipments/records/certificates surveyed/checked during IOPP survey. (5)
(c) What action should be taken in case of an oil spill during cargo/bunkering operation? (5)