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Trade Theory Question Paper

Trade Theory

Course:

Institution: Nyeri Technical Training Institute question papers

Exam Year:2011

Nyeri Technical Training Institute
Department Of Automotive Engineering
Craft In Motor Vehicle Mechanics
CAT 3 Term II
Instructions
Attempt all questions

Q1. (a) Which material make the following
i) engine block
ii) cylinder head (2 marks)
b) Name at least 3 parts of a crankshaft.
(3 marks)
c) List 3 functions of a flywheel.
(3 marks)
d) Using a well labelled diagram show the parts of piston assembly.
(4 marks)

Q2.) What are the two main arrangements of engine valves.
(2 marks)
b) From (a) above draw either of the valve arrangement and name all parts.
( 5 marks)

Q. 3 a) Define the following engine performance terminologies.
i) stroke
ii) swept volume
iii) volumetric efficiency
iv) torque
(5 marks)
b) with aid of a well labeled diagram explain the operation of a four stroke cycle engine.
(7 marks)

Trade Theory Question Paper

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