100+ Free DIT Welder Practice Questions

Pass your Uganda DIT Workers' PAS / Occupational Test - Welder exam on the first try — instant access, no signup required.

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2026 Statistics

Key Facts: DIT Welder Exam

150,000 UGX

DIT Assessment Fee

DIT Uganda Guidelines

65%

Passing Score

DIT Uganda Guidelines

100

Written Questions

Workers' PAS Practice

2 hours

Written Time Limit

DIT Assessment

Lifetime

Credential Validity

UVQF

Trades

Domain

Registry

The Uganda DIT Workers' PAS Welder assessment evaluates both theoretical knowledge and practical craftsmanship. The written theory test consists of 100 multiple-choice questions with a passing mark of 65%. Focused on the Uganda Vocational Qualifications Framework (UVQF), it provides informal and formal sector metal fabrication workers with official recognition. The assessment fee is 150,000 UGX, registered at accredited TVET/DIT centers.

Sample DIT Welder Practice Questions

Try these sample questions to test your DIT Welder exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1What is the primary purpose of wearing a leather apron during welding operations?

A.To keep the welder's clothes clean from dust

B.To protect the torso from sparks, hot slag, and intense heat

C.To reduce the weight of the welding helmet

D.To improve electrical conductivity between the welder and the ground

Explanation: A leather apron is a critical personal protective equipment (PPE) item that protects the welder's body and clothing from flying sparks, hot spatter, slag, and radiant heat during welding and cutting.

2Which of the following filter lens shades is generally recommended as the minimum protection for Shielded Metal Arc Welding (SMAW) with a 3.2 mm electrode?

A.Shade 4

B.Shade 7

C.Shade 10

D.Shade 14

Explanation: For standard manual metal arc welding (SMAW) using electrodes around 3.2 mm (operating at typical currents of 75-160 amps), a Shade 10 filter lens is the recommended minimum to protect the eyes from harmful ultraviolet (UV) and infrared (IR) radiation.

3Why is it highly dangerous to perform electric arc welding while standing on a wet floor?

A.The moisture will cause the welding machine to produce excessive spatter

B.Wet floors increase the risk of a fatal electric shock because water is a good conductor

C.The water will evaporate and contaminate the shielding gas around the weld pool

D.The welding cable insulation will immediately dissolve in water

Explanation: Water significantly lowers electrical resistance, allowing current to flow easily. If a welder stands on a wet floor, any accidental contact with live electrical components (like the electrode holder) creates a direct path for current to flow through the body to the ground, causing severe or fatal electric shock.

4What is the critical safety rule before welding or cutting a container that previously held oil, fuel, or chemicals?

A.Preheat the container to 200 degrees Celsius to burn off any residue

B.Thoroughly clean, purge, and vent the container, then verify it is gas-free

C.Welding can proceed immediately if you use a low-hydrogen electrode

D.Fill the container with pure oxygen to prevent carbon monoxide formation

Explanation: Welding or cutting closed or uncleaned containers is a major cause of fatal explosions in workshops. The heat from the arc will vaporize residual liquids, creating an explosive gas mixture. The container must be cleaned, purged with an inert gas or filled with water, and vented/tested before hot work.

5Why is natural ventilation often insufficient in a busy welding workshop?

A.It cools down the welding machine too quickly

B.It cannot remove heavy toxic fumes and gases generated by welding, which can accumulate in breathing zones

C.It increases the humidity in the workshop, causing electrodes to rust

D.It causes the welding arc to blow out constantly

Explanation: Welding produces airborne particulates, metal oxides, and gases (such as ozone, nitrogen oxides, and carbon monoxide) that can be toxic if inhaled. Natural ventilation rarely provides sufficient air movement to disperse these fumes from the welder's breathing zone, requiring local exhaust ventilation (LEV).

6How should high-pressure gas cylinders be stored when they are not in active use?

A.Lying horizontally on the workshop floor to prevent them from falling

B.Stored vertically, secured with chains or straps, and with safety caps screwed on

C.Stacked on top of each other in a dry corner of the workshop

D.Suspended from the ceiling using wire ropes to save floor space

Explanation: Gas cylinders must always be stored in an upright position, secured firmly to a wall or cylinder trolley to prevent falling, which could shear off the valve and turn the cylinder into a dangerous rocket. The valve protection cap must remain in place during storage.

7According to standard industrial gas cylinder color coding (BS/EN standards used in Uganda), what color is an Oxygen cylinder?

A.Red

B.Blue

C.Black

D.Maroon

Explanation: Under British and European standard color coding widely used in Ugandan industry, industrial oxygen cylinders are colored black (or have a white shoulder/body configuration on newer standards). This distinguishes them from flammable gases.

8What is the standard color code for Acetylene cylinders used in oxy-fuel welding?

A.Maroon

B.Yellow

C.Green

D.Grey

Explanation: Acetylene cylinders are color-coded maroon (or brownish-red) to make them easily identifiable as containing a highly flammable and unstable gas that requires special handling.

9To prevent fires in a welding workshop, what is the minimum recommended distance that flammable materials (such as wood, paper, or fuel) should be kept from the welding area?

A.1 meter

B.3 meters

C.5 meters

D.10 meters

Explanation: Hot sparks from welding and cutting can fly a considerable distance (up to 10 meters or 35 feet) and remain hot enough to ignite dry combustibles. All flammable materials should be removed from this radius, or protected with fire-resistant blankets.

10What is the correct immediate first aid action for a welder who suffers a minor thermal burn on their arm from touching hot metal?

A.Apply engine oil or grease to the burn to keep it moist

B.Cool the burn area under clean, cold running water for at least 10 to 20 minutes

C.Break any blisters immediately to release the trapped fluid

D.Wrap the burn tightly with a dry wool cloth

Explanation: The standard first aid for minor thermal burns is to cool the skin immediately under cold, clean running water for 10-20 minutes. This dissipates the heat from the tissue, reduces pain, and limits the depth of the burn. Never use grease, oils, or butter, which trap heat and cause infection.

About the DIT Welder Exam

DIT Uganda occupational assessment for welders covering welding processes, joints and safety theory with a practical weld test.

Questions

100 scored questions

Time Limit

2 hours

Passing Score

65%

Exam Fee

150,000 UGX (Directorate of Industrial Training (DIT), Uganda)

DIT Welder Exam Content Outline

25%

Welding Safety & Health

Workshop hazards, PPE, gas cylinder safety, electric shock prevention, ventilation, and emergency procedures.

25%

Materials & Joint Preparation

Metal characteristics, joint designs (butt, lap, tee, corner, edge), beveling, cleaning, fit-up, and tacking.

35%

Welding Processes & Equipment Setup

SMAW, GMAW, GTAW, and oxy-fuel welding/cutting. Polarity settings, electrode selection, and shielding gas configurations.

15%

Quality Control, Defects & Testing

Visual inspection criteria, weld defect identification (porosity, undercut, cracking), corrective actions, and testing methods.

How to Pass the DIT Welder Exam

What You Need to Know

Passing score: 65%
Exam length: 100 questions
Time limit: 2 hours
Exam fee: 150,000 UGX

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

DIT Welder Study Tips from Top Performers

1Prioritize safety regulations: Know the proper shade numbers for welding lenses, ventilation requirements, and gas cylinder safety.

2Master joint configurations: Study correct root gaps, root faces, and bevel angles for butt, lap, tee, corner, and edge joints.

3Understand electrode classifications: Learn how to read AWS codes like E6010 (deep penetration, fast-freeze) and E7018 (low-hydrogen, fill-freeze) which are widely tested.

4Learn to identify defects: Be able to recognize undercut, porosity, slag inclusion, lack of fusion, and cracking, and know how current settings affect these defects.

5Practice calculations: Study current settings (amperage) relative to electrode diameters (e.g., 2.5mm vs. 3.2mm) and material thicknesses.

Frequently Asked Questions

What is the Directorate of Industrial Training (DIT) Workers' PAS?

The Workers' Practically Acquired Skills (Workers' PAS) is a competency-based assessment and certification program managed by the Directorate of Industrial Training (DIT) in Uganda. It allows experienced welders who learned their trade informally (on-the-job, apprenticeships) or through short TVET courses to have their skills formally assessed, verified, and certified under the Uganda Vocational Qualifications Framework (UVQF).

What is the fee for the Uganda DIT Welder assessment?

The standard DIT assessment fee for the Worker's PAS is 150,000 UGX. This fee covers registration, written testing, and practical skill assessment. Candidates register and pay through accredited DIT assessment centers or TVET institutions across Uganda.

What is the passing score for the DIT Welder written exam?

To be certified as competent, candidates generally need to achieve a score of 65% or higher on the written theory component, along with successfully demonstrating practical tasks during the hands-on trade test (e.g., preparing joints, executing clean welds, and observing safety protocols).

How many questions are on the written test and how long is it?

The written exam features 100 multiple-choice questions covering welding processes, metal preparation, safety, and defect inspection. You are allowed 2 hours to complete the test.

Where can I take the Uganda DIT Welder test?

Assessments are conducted at accredited DIT assessment centers, TVET institutions, and technical colleges throughout Uganda. Candidates should submit their application forms, passport-sized photos, and fees directly to their local center.