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Plumbing Trade Theory Exam Guide

This document contains instructions for a plumbing trade theory examination given to artisan in plumbing students at Machakos University. The exam consists of 6 questions testing knowledge of plumbing tools, materials, safety, pipe installation, joints, and first aid. Students must answer any 5 of the 6 questions, which vary in number of marks from 3 to 20 marks. The exam covers a wide range of essential plumbing knowledge and skills.

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315 views2 pages

Plumbing Trade Theory Exam Guide

This document contains instructions for a plumbing trade theory examination given to artisan in plumbing students at Machakos University. The exam consists of 6 questions testing knowledge of plumbing tools, materials, safety, pipe installation, joints, and first aid. Students must answer any 5 of the 6 questions, which vary in number of marks from 3 to 20 marks. The exam covers a wide range of essential plumbing knowledge and skills.

Uploaded by

zakiahwachira
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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MACHAKOS UNIVERSITY

University Examination 2018/2019

SCHOOL OF ENGINEERING AND TECHNOLOGY


DEPARTMENT OF BUILDING AND CIVIL ENGINEERING
FIRST YEAR FIRST SEMESTER EXAMINATION FOR
ARTISAN IN PLUMBING
PLUMBING TRADE THEORY
DATE: 18/4/2019 TIME: 11:30 – 2:30 AM

INSTRUCTIONS:
This paper consists of SIX questions
Answer any FIVE questions
All questions carry equal marks
1. a) List down TWO main sources of water supply hence give TWO examples of
each. (4 marks)
b) By use of a neat diagram, show the process of a rain cycle. (6 marks)
c) Draw the following plumbing tools;
i) flat file
ii) hacksaw
iii) cold chisel
iv) ball pein hammer
v)tin snips (10 marks)
2. a) Name FIVE materials used in plumbing works. (5 marks)
b) Describe the following;
i) ferrous metals
i) non-ferrous metals. (4 marks)
c) Name THREE classes of galvanized iron (GI)pipes and state the colour code
for each. (6mks)
d) Name THREE classes of fire and give one example in each case. (5 marks)

Examination Irregularity is punishable by expulsion Page 1 of 2


3. a) List down SIX safety precautions to be observed in a plumbing workshop.
(6 marks)
b) Name and draw THREE joints on sheet metal. (9 marks)
c) State THREE constituents that causes fire hence draw a fire triangle.
(5 marks)
4. By means of a neat sketch, show the installation of a direct cold water supply from the
mains to the storage tank. (20 marks)
5. a) Draw the following joints used in pipe work;
i) screw joint
ii) autogenous welded joint. (6 marks)
b) Describe the following;
i) communication pipe
ii) service pipe
iii)rising main (9 marks)
c) List down FIVE categories of tools in plumbing. (5 marks)
6. a) State the importance of first aid to a victim. (4 marks)
b) List down FOUR simple steps to follow when administering first aid to a
victim. (8 marks)
c) Name FIVE materials used for pipe work in plumbing. (5 marks)
d) State the use of the following in a water installation;
i) gate valve
ii) tap. (3 marks)

Examination Irregularity is punishable by expulsion Page 2 of 2

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