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Workshop Technology/Materials Paper Question Paper

Workshop Technology/Materials Paper

Course:

Institution: Kenya Medical Training College, Eldoret question papers

Exam Year:2012

MEDICAL TRAINING COLLEGE-ELDORET, DEPARTMENT OF MEDICAL ENGINEERING, WORKSHOP TECHNOLOGY/MATERIALS PAPER,1st YEAR SEMESTER I EXAMINATION, ACADEMIC YEAR 2011/2012 TIME:3 HOURS. INSTRUCTION: Answer ALL questions. 1. (a) With an aid of a sketch of iron/iron carbide equilibrium diagram, give the difference of the following. (i) Eutectoid (ii) Hypo-Eutectoid (iii) Hyper-Eutectoid (12 marks) (b) Explain how the following heat treatment processes are carried out. (i) Hardening. (ii) Annealing. (iii) Normalizing. (iv) Tempering. (8 marks) 2. (a) Explain what you understand by the following properties of materials. (i) Hardness. (ii) Malleability (iii) Ductility (iv) Brittleness (v) Toughness. (10 marks) (b) Give the difference between the two types of cast iron. (i) Grey cast iron (ii) White cast iron. (iii) What is ferrous metal? (iv) State what you understand by an alloy. (v) Which Non ferrous metal is white in colour, light, ductile and good conductor of heat. (10 marks) ........ page 1.......

Workshop Technology/Materials Paper Question Paper

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