Masonry NCV Level 4 — Document

November 2019 — NCV Level 4 — Masonry

NCV Level 4 2019 NCV Engineering

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Q1— Section header —

1.10in the ANSWER BOOK.

1.1caused by internal or external stresses on the structure. wall tie roof anchor super glue

1.2abrasive green attach coat

1.3texturise stone and concrete. bush hammer rubber mallet wooden mallet chisel

1.4Raking is the process of compacting mortar between the bricks to a depth of 100 205 10 75

1.5The cement use 1. (NCV\

1.6provide support in tile joints. Plaster Screed Jointer Grout

1.7composed of two paper liners sandwiching a core, containing gypsum, starch, and some additives. Plaster board

1.8NE soil. cement

1.9mixture of clay and other natural materials. Glass tiles Ceramic tiles Galvanised tiles

1.10

Q2— Section header —

2.1FIGURE 1 below how the surface of the concrete slab that has been prepared by applying a spatter dash layer. FIGURE 1

2.1.1Why was spatter dash applied on the above concrete slab? (2\

2.1.2How do es one apply spatter dash coat on concrete? (4\

2.1.3Why is a bonding liquid added to spatter dash? (1\

2.1.4If the substrate is too dry it needs to be pre soak ed Explain the method of pre

2.2What is off shutter concrete (2\

2.3What are the following plastering tools used for:

2.3.1Wire brush

2.3.2straight edge

2.3.3Block brush

2.3.4Hand hawk

2.3.5

2.4Define wall chase (4\

2.5Briefly describe the procedure used to mix a gauge of plaster mortar by hand. (5\ [30]30

Q3— Section header —

3.1What is the datum level and how does it affect the level of the screed/topping? (4\

3.2Describe the process follow ed to perform a slump test and use neat sketches to illustrate the test and the measure of a true slump.

3.3List THREE steps in preparing substrate to receive the screed or topping. (3\

3.4How do es one clean the substrate before laying screed? (2\

3.5List FIVE steps in applying the slush coat. (5\

3.6How oes one remove grease from the substrate? (2\

3.7Compaction has a structural as well as an attractiveness function. Name FOUR types of compacting equipment that can be used on a large masonry site. (4\ [30] (12020524\30

Q4— Section header —

4.1Discuss why waste outlets and drains should be blocked with rags to prevent ingress of tile adhesive (6\

4.2Name and explain TWO groups of testing used to test walls for soundness before applying tiles. (10\

4.3Explain the importance of rem oving at least 80% of paint before the surfaces can be painted (10\

4.4Complete the following sentences y filling in the missing word or words. Write only the word or words next to the question number (4.4.1

4.4.4\in the ANSWER BOOK. After the screed has been cast, the surface is covered with ... (4.4.1\to retain moisture for ... (4.4.2\ . After this per

Mark Allocation

Total100 marks

Sections10 + 30 + 30 + 30 = 100 marks

Paper information

TitleDocument

SubjectMasonry

LevelNCV Level 4

Document typeQuestion paper

Year2019

MonthNovember

Pages6

Downloads2

Examination context

Decade2010s

Years ago7y

SeasonSpring (SH)

Start dayFriday

Exam periodNovember 2019

Days since exam2,535

About Masonry examination preparation

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A practical revision approach

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