MECHANICAL AND AUTOMOTIVE ENGINEERING DEPARTMENT
CAT 1
TECHNICAL DRAWING
MPT524J1
1. Outline briefly any four ways a person can use to take care of drawing instrument. (4 Marks)
2. Explain briefly any two-safety precaution one can observe while using drawing instruments.
(2 Marks)
3. Draw line AB 100mm and divide it into of 1:2:4. (3 Marks)
4. Construct a parallelogram ABCD if angle DAB=120⁰ and AB=60mm, AD=30.
(3 Marks)
5. Make free hand sketch of the following tools;
(i) Ball pein hammer
(ii) Scriber (4 Marks)
6. Construct a regular hexagon of side 30 mm. (5 Marks)
7. State four types of assembly drawing. (4 Marks)
8. Using symbols, differentiate between first angle and third angle projection. (5 Marks)
MECHANICAL AND AUTOMOTIVE ENGINEERING DEPARTMENT
CAT 2
TECHNICAL DRAWING
MPT524J1
9. Fig. 1 below shows the orthographic views of a machined block in first angle. Draw the
isometric projection of the component. Include the major dimensions.
Fig.1: machine part
(15 marks)
10. Fig. 2 shows front view of two unequal cylindrical pipes intersecting each other
perpendicularly. Copy the given view and draw the following in third angle projection:
a) Plan
b) Curve of interpenetration
c) Surface development of the smaller cylinder. (15 Marks)
MECHANICAL AND AUTOMOTIVE ENGINEERING DEPARTMENT
CAT I
WORKSHOP TECHNOLOGY
MPL624M2
1. Sketch a twist drill and name its different parts. (6 marks)
2. Discuss the process of cutting external threads on rods Using a die (6 marks)
3. Discuss SIX welding defects (6 marks)
4. State TWO applications of nuts and bolts (2 marks)
5. Draw a bolt and label major parts (2 marks)
6. Differentiate welding and soldering (4 marks)
7. With help of neat diagram, describe the following as done on a lathe machine. (4 marks)
i) Straight Turning
ii) Facing
MECHANICAL AND AUTOMOTIVE ENGINEERING DEPARTMENT
CAT 2
WORKSHOP TECHNOLOGY
MPL624M2
1. State TWO Types of finishing processes (2 Marks)
2. Describe the elements of proper housekeeping. (4 Marks)
3. Illustrate floor inspection and state its advantages and disadvantages (6 Marks)
4. Explain any care and maintenance of files (6 Marks)
5. Sketch a hacksaw and label all the parts (6 Marks)
6. Describe the following filling techniques using sketches (6 Marks)
i) Cross filling
ii) Draw filling
MECHANICAL AND AUTOMOTIVE ENGINEERING DEPARTMENT
CAT 1
SERVICE BRAKING SYSTEM
AET524M2
1. State three functions of braking system (3 Marks)
2. Illustrate two differences between leading and trailing shoes (3 Marks)
3. Name two advantages o disk brake over drum brakes (3 Marks)
4. List four common defects in braking systems and their causes (3 Marks)
5. Sate the primary functions of a master cylinder (3 Marks)
6. State four advantages of hydraulic braking system (3 Marks)
7. List four qualities of brake fluid (3 Marks)
8. Sketch the layout of hydraulic braking system (3 Marks)
9. List four qualities of material used in brake lining (3 Marks)
10. State three advantages of drum brake system (3 Marks)
MECHANICAL AND AUTOMOTIVE ENGINEERING DEPARTMENT
CAT 2
SERVICE BRAKING SYSTEM
AET524M2
1. Using a well labeled sketch describe explain the operation of a Twin leading shoe brakes
(5
marks)
2. With aid of well labeled diagram explain construction and operation of a tandem master
cylinder (5 marks)
3. List and explain the function of Four main components of a drum braking system in a
vehicle. (5 Marks)
4. Outline the bleeding process of hydraulic braking system. (5 marks)
5. State four safety practices to be observed while servicing the vehicle braking system
(5
marks)
6. With aid of a well labeled diagram explain construction and operation of disk brakes system.
(5 marks)
MECHANICAL AND AUTOMOTIVE ENGINEERING DEPARTMENT
CAT 1
SERVICE BRAKING SYSTEM
AMC524M1
1. Explain the difference between disk brakes and drum brakes (5 marks)
2. List six main components of a typical hydraulic braking system (5 marks)
3. What are some common maintenance procedure or a drum braking system and why they are
important (5 marks)
4. List and explain the basic components of a drum braking system in a vehicle (5 marks)
5. State two properties and two roles of the brake fluid (5 marks)
6. List three advantages of drum braking system (5 marks)
MECHANICAL AND AUTOMOTIVE ENGINEERING DEPARTMENT
CAT 2
SERVICE BRAKING SYSTEM
AMC524M1
1. Describe the procedure used to repair a leaking hydraulic pipe in the hydraulic brake system
of a vehicle. (10 marks)
2. Describe the procedure followed during cleaning of drum brakes shoes. (10 marks)
3. The tandem master cylinder is one type of the brake cylinders. Outline the steps involved in
inspecting a faulty tandem master cylinder. (10 marks)
MECHANICAL AND AUTOMOTIVE ENGINEERING DEPARTMENT
CAT 1
ELECTRICAL AND ELECTRONICS PRINCIPLES
MVE424M1 & MCM424M1
1. State Ohm’s law. (3 marks)
2. List four main components of an electrical circuits. (4 marks)
3. Define the following terms; (6 marks)
a. Current
b. Resistance
c. Power
4. If a resistor has a resistance of 100ohms and a voltage of 50V is applied across it. What is the current
passing through the resistor? (7 marks)
5. The resistance of 500m wire of cross-sectional area 2.6mm2 is 5ohms. Determine the resistivity of the
wire in milliohm/meter. (5 marks)
6. Find the resistance of 1km of copper cable having a diameter of 10mm. If the resistivity of copper is
0.017x10-6 ohm/meter. (5 marks)
MECHANICAL AND AUTOMOTIVE ENGINEERING DEPARTMENT
CAT 2
ELECTRICAL AND ELECTRONICS PRINCIPLES
MVE424M1 & MCM424M1
1. Briefly explain how dc voltage is produced by dry cells using a diagram. (5 Marks)
2. If a resistor has a resistance of 100 ohms and a voltage of 50 volts is applied across it,
what is the current passing through the resistor? (3 Marks)
3. How does doubling the resistance in a circuit affect the current, assuming the voltage
remains constant? (4 Marks)
4. What is the fundamental difference between DC and AC circuits? (3 Marks)
5. What is the primary advantage of using AC over DC (Direct Current) for long-distance
power transmission? (2 Marks)
6. Explain the concept of electrical resistivity and how it differs from electrical resistance.
(4
Marks)
7. Define impedance in AC circuits. (2 Marks)
MECHANICAL AND AUTOMOTIVE ENGINEERING DEPARTMENT
CAT 1
SERVICE BRAKING SYSTEM
AMC524J1
1. State Four advantages of air brakes. (3 marks)
2. Outline four requirements of the friction lining material used in vehicle braking?
(3
marks)
3. Define brake fade, and state how it can be prevented? (3 marks)
4. State the purpose of the anti-lock brake system (ABS) (3 marks)
5. State four advantages of disc brakes over drum brakes. (3 marks)
6. State the main function of a master cylinder in the braking system. (3 Marks)
7. State the purpose of the brake boosters in a hydraulic braking system (3 Marks)
8. State four qualities of a brake fluid. (3 marks)
9. State four signs of power brake problems. (3 marks)
10. Sketch the layout of a hydraulic braking system and label four major parts (3 marks)
