Tec0150:Mechanical Workshop Practise Question Paper
Tec0150:Mechanical Workshop Practise
Course:Diploma In Agriculture
Institution: Meru University Of Science And Technology question papers
Exam Year:2012
QUESTION ONE – 30 MARKS
a. Name four safety hazards in a workshop. (2 Marks) b. Differentiate between ferrous and non ferrous metals and state five properties of non ferrous metals. (7 Marks) c. i. Draw and label the parts of any three tools commonly used in a workshop. (3 Marks) ii. Draw and label the parts of a micrometer screw gauge. (4 Marks) d. With aid of neat sketches describe the principle of electric arc welding. (4 Marks) e. Describe the procedure of cutting external threads on a workpiece. (3 Marks) f. i. Briefly describe with aid of neat diagrams four types of riveted joints. (4 Marks) ii. Name three types of grinding machines and state three methods of preventing corrosion. (3 Marks)
QUESTION TWO – 15 MARKS
a. By use of neat sketches outline three types of flames produced in gas welding. (6 Marks) b. Describe giving two examples three categories of measurement and state four types of inspection gauges. (9 Marks) QUESTION THREE – 15 MARKS
a. i. Explain the procedure of cutting internal threads on a workpiece. (4 Marks) ii. State four raw materials for rivets and two advantages of riveted joints. (6 Marks) b. A grinding wheel is specified per BS 1814:1952 as follows: A.60.N.8.V, outline the specification. (5 Marks)
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QUESTION FOUR – 15 MARKS
a. With aid of neat sketches, differentiate between spot facing and counter sinking. (7 Marks) b. Explain the following properties of materials: (8 Marks) i. Toughness ii. Brittleness iii. Malleability iv. Plasticity
QUESTION FIVE – 15 MARKS
a. State giving two examples in each case any three classes of fire. (6 Marks) b. i. Explain the following: (6 Marks) Cathodic prevention Phosphating Chromising ii. Name any three agricultural equipments. (3 Marks)
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