NAVTTC Auto Electrician case studies
NAVTTC Auto Electrician · Put your knowledge to work in context.
The NAVTTC Auto Electrician trade test is a competency assessment for candidates seeking recognition of automotive electrical skills under Pakistan's National Vocational Qualifications Framework (NVQF). It is intended for trainees of programs such as the Prime Minister's Youth Skills Development Program (PMYSDP) and experienced workers pursuing Recognition of Prior Learning (RPL). The NAVTTC Auto Electrician case studies are 5 cases and about 4,581 words.
1Charging Room, Acid Spill and a Grinder Spark
You are the senior auto electrician on duty in a workshop with a 3 m by 3 m battery-charging room that has one door and no mechanical ventilation. A 12 V, 100 Ah flooded lead-acid battery has been on a 10 A taper charger for four hours.
932 words, about 5 min2Ammeter Across the Horn
A 12 V light truck comes in with a 15 A horn fuse that blows the instant the horn button is pressed. A trainee sets a digital multimeter to the 10 A DC range and touches the probes across the two horn terminals, with the horn button held down, intending to measure current.
977 words, about 5 min3One Cell Down on a 100 Ah Battery
A customer brings in a 12 V, 100 Ah flooded lead-acid battery from a truck. It has been on a 4 A charger for 12 hours.
798 words, about 4 min4Charge Lamp Glows Under Load
A 12 V vehicle with a 90 A alternator and a new 70 Ah AGM battery comes in with a faintly glowing charge warning lamp at idle. At idle with no loads, battery voltage is 13.9 V.
878 words, about 4 min5Flat Battery After Three Days
A 12 V car with keyless entry, a telematics box and a dashcam wired to a fuse tap goes flat after 3 days. The battery is a 70 Ah AGM, 2 years old, and passes a load test at 9.7 V.
996 words, about 5 min