Automotive Information Center: March 2015

Tuesday, 10 March 2015

How to Check Fuses

The purpose of a fuse is to stop higher than normal current from flowing on a circuit. A fuse is designed to protect equipment from getting damage and from overheating, and potentially causing a fire. There are generally 2 sizes of fuses, a chip-style fuse and a cylindrical fuse. The chip-style fuse, which is 1.25 by .25 inches (3.2 cm by .6 cm), is typically used in automobiles. The cylindrical fuse can be found in electrical equipment. Fuses can range in current rating from a fraction of an amp to hundreds of amps. There are also 2 types of fuses, fast-acting and slow-blow. Fast-acting fuses will blow very quickly when the current rating of the fuse is exceeded. Slow-blow fuses are designed to blow when there is a continued overload on the circuit, such as a short circuit. The slow-blow fuses are designed not to blow when there is a temporary current spike. Checking whether a fuse is good or bad is a very simple process and is something everyone should know how to do

Steps

1. Inspect the fuse. When a fuse is blown, you may see several indicators.

Check to see if the very fine wire in the fuse casing is broken with no discoloration to the casing. This most likely indicates that there is no major short on the circuit.

Look to see if the very fine wire in the fuse casing is broken with slight discoloration to the fuse casing. This, again, most likely indicates that there is no major short on the circuit.

Verify that the very fine wire in the fuse casing is broken and the casing is discolored. This indicates that there is a major short on the circuit.

2 Find a multimeter to use to check the fuse. A multimeter is a tool used frequently when working with electricity.

3. Set the multimeter to the Ohms setting.

Place 1 of the leads of the multimeter to 1 end of the fuse. Place the other lead of the multimeter to the other end of the fuse.
Read the multimeter. If the fuse is not broken, you will get a resistance reading on the multimeter. If the fuse is broken, you will not get any reading on the multimeter.

sumber : http://www.wikihow.com/

Monday, 9 March 2015

EDUCATIONAL INNOVATION of MOTORSPORTS & AUTOMOTIVE RACE (EIMARace2014)

Politeknik Kota Bharu tahun ini telah menghantar 2 pasukan iaitu, TS250 dan SS131 yang dianggotai seramai 12 orang pelajar dari kejuruteraan automotif bagi menyertai pertandingan perlumbaan kereta EIMARace 2014 yang bertempat di Litar Pulau Dato Sagor Perak. Pasukan Politeknik Kota Bharu yang diberi nama APONTEZ PKB SKULL GARAGE telah berjaya meraih JUARA KESELURUHAN bagi katogeri TS250 dan berada di kalangan 14 pasukan terbaik daripada 32 pasukan yang bertanding bagi katogeri SS131. Pertandingan ini dianjurkan oleh Malaysian Institute Japan Technology (MJIIT) dan Motorsport Association of Malaysia (MAM). Kategori pertandingan ini terbahagi kepada dua sesi iaitu sesi pembentangan analisa rekabentuk dan sesi perlumbaan sebenar. Sesi pembentangan diadakan pada 13-14 September di UTM International Campus dan diikuti pula sesi perlumbaan sebenar pada 17-19 Oktober 2014 di Litar Pulau Dato Sagor Perak. Ia merupakan pertandingan merekacipta dan membina sebuah kereta lumba yang berkonsepkan formula 1, berkuasakan enjin motosikal 4 lejang. Projek kereta lumba ini dihasilkan oleh pelajar tersebut dan dipantau oleh pengurus pasukan dan pensyarah-pensyarah yang terlibat dari Jabatan Kejuruteraan Mekanikal Automotif. Pertandingan ini diadakan bertujuan untuk memberi pendedahan teknikal ,menguji daya kreativiti dan kemahiran serta menjana idea-idea baru para pelajar dalam dunia teknologi motorsport khususnya dalam bidang kejuruteraan automotif. Implikasi dan impak daripada pertandingan ini akhirnya dapat diterjemahkan ke arah aspek pembangunan kejuruteraan automotif yang lebih baik dan bersesuaian dengan nama sebenar EIMARace iaitu Educational Innovation Of Motorsport & Automotif Race.