NABTEB Refrigeration and Air-Conditioning Works Practical Questions Update
– NABTEB Refrigeration and Air-Conditioning Works Practical Questions –
NABTEB Refrigeration and Air-Conditioning Works Practical NABTEB Expo are out now on our website. In this article, I will show you past random repeated questions for free. All you need to do is to stay focused and follow this guide.
About NABTEB
The National Business and Technical Examinations Board was founded in 1992 to domesticate craft level examinations previously conducted by City & Guilds, Pittman’s, and the Royal Society of Arts throughout the United Kingdom in conformity with the principles of the National Policy on Education.
Its formation was the culmination of a 15-year evolutionary process in which FOUR Government Panels were established at various periods to assess the place and structure of public examinations in our educational system.
Mission
Develop as a Globally Recognized Assessment Body for Craftsmen and Technicians.
Vision
NABTEB is a vision-led, mission-driven public institution with the following vision: To be a Globally Recognised Assessment and Certification Body Preparing Candidates for the Workplace and Academic/Professional Excellence.
The management of the National Business and Technical Examinations Board (NABTEB) is yet to release the 2021 November/December NBC/NTC and ANBC/ANTC examinations results.
Candidates who intend to take part in the 2021 NABTEB GCE can learn how to check their results online.
NABTEB is one of the examination bodies set up by the Federal Government in 1992 to reduce the burden of conducting examinations, which involves a lot of technical and trade-related practicals.
The board conducts the National Technical Examination (NTC), National Business Certificate (NBC) and their respective advance level examinations (ANBC and ANTC).
NABTEB Refrigeration and Air-Conditioning Works Practical Questions
PAPER 1
1. (a) List three types of refrigerant controls that are commonly used in refrigeration
and air conditioning systems.
(b) (i) Sketch a capillary tube control.
(ii) State the application of the capillary tube control sketched in (b)(i).
(c) State three sources of financing an air conditioning and refrigeration business
costing 1.5 million naira.
2. (a) State four advantages an individual will have over partnering with another person
in the business of refrigeration and air conditioning.
(b) Sketch the vapour compression refrigeration system.
(c) label any three parts of the sketch in (b).
3. (a) State three properties of a refrigerant.
(b) List the cylinder colour code for each of the following:
(i) R – 134a;
(ii) R – 717;
(iii) R – 600wa.
PAPER 2
1. Using the material provided below, construct an evaporator suitable for 1/8 hp
refrigerator
(a) ¼ copper piper (½ roll);
(b) aluminium flat plate 1200mm x 1000 mm x 16 mm;
(c) mallet;
(d) rivet gun;
(e) rivet pin;
(f) punch;
(g) bending spring;
(h) snip;
(i) steel.
2. Using appropriate tools and equipment produce the following joints by brazing T, V, B
and K.
DISCLAIMER! These are not real NABTEB Refrigeration and Air-Conditioning Works Practical Questions, but likely repeated questions over the years to help candidates understand the nature of their examinations. Ensure to note every question provided on this page.
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