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This  wrote  up is a detail of the processes for the physical realization of the  design and construction  of mobile deep freezer. It is divided into chapters which discussed expensively the practical  refrigeration cycle  with  rull attention  given to design factors working principals and choice of material.  Also considered... Continue Reading

In the society at large Technology is fast replacing the crude method of carrying out work and has been making room for employment. Besides, it has also caught the attention of the youths who will prefer to work in a company with technological operations than one with man-power operations. This project can be used to convey materials... Continue Reading

INTRODUCTION   REFRIGERATION Refrigeration is a branch of science that deals with the process of removing heat from a substance or space in order to make it cooler. Refrigerator is defined as a device that is used in cooling the internal temperature below the room temperature (that is between 250C to 300C). Generally, however, for a space or... Continue Reading

This Nylon sealing and cutting machine has an added advantage of making 800 sealed bags per hour.  The constructional machines were sourced locally. The machine can cut and seal Nylon at a affordable cost.  The constructional size of 31 cm x 7.5cm x 12.4 which comprises the following component.  The sealing and cutting filament, the... Continue Reading

INTRODUCTION  The production of bench shearing machines to reduce, alleviate and probably eliminate suffering, time, money, wastage of material and more especially the need for technological break through and self reliance has been a major concern of the federal government. Metal shearing and shaping has been a tiring problem in the society from... Continue Reading

INTRODUCTION This project of fabrication of single face pressurized kerosene cooker is a copied design. It is a manually operated type of stove, which has the capacity of supplying heat energy at high and low temperature. The type of stove so designed here do the industrial type with one burner.  Since the introduction of this pressurized... Continue Reading

This project has been design and fabricated with special economical needs for small scale baking industries, wholesalers and distributors who impact this type of baking even from outside the country to su0pply the customers. And in view of the scarcity and high cost of gas and electricity in the country and also smoke release when using... Continue Reading

The aim of this paper is to get a best performance by an ice block/cube making machine of refrigeration with suitable time. In present day hotels, resort and bar require more ice in very less time. So, to solve this problem and control the required time to ice formation, we construct an ice cube making machine. In present days, in market... Continue Reading

Among various efforts pursued to produce fuel efficient vehicles, light weight engineering (i.e. the use of low-density structurally-efficient materials, the application of advanced manufacturing and joining technologies and the design of highly-integrated, multi-functional components/sub-assemblies) plays a prominent role. In the present... Continue Reading

 INTRODUCTION Nigeria is an agricultural nation. Melon (Citrullus Vulgaris) is widely cultivated in Nigeria, among other seedlings during the planting season yearly. Several tones of the melon seeds are gathered each harvesting period but only very low percentage of the total harvest are dried by atmospheric draught and bagged for storage. High... Continue Reading

This Machine is design and fabricate as a prerequisite for the award of a Higher National Diploma. We sketch different designs which after consideration of many factors like the machine efficiency, the cost of materials e.t.c before we finally embark on this machine. The machine major component are the shaft, the inner barrel, the outer... Continue Reading

The project work titled Design and construction of a metal detector. When fully design and implemented would be able to detect any metallic material that is passing or coming close. This function would serve as a security check for dangerous metallic material as an alarm. Going by the sophisticated means of armed rubbers adopt these days... Continue Reading

Company background and overview Anbessa City Bus Service Enterprise is the largest City Public Transportation Company in  Ethiopia established immediately after the Italian invasion in 1943 by collecting old vehicles  and garage equipment from the invader. At the time its name was Public Transport and guided  by Italians and other foreigners.... Continue Reading

When it comes to construction projects, landscaping work, and gardening, you need the right kind of equipment to finish tasks speedily and easily. One piece of equipment you would need is a motorised wheelbarrow. This is intended to carry bulky materials and heavy loads. There are a lot of equipments that can be used these days for... Continue Reading

CHAPTER ONE 1.0 INTRODUCTION 1.1 Statement of the Problems 1.2 Objectives of the Study 1.3 Scope & Limitations of the study 1.4 Specifications the following abbreviations are used CHAPTER TWO LITERATURE REVIEW CHAPTER THREE MATERIALS AND METHOD CHAPTER FOUR DESIGN AND IMPLEMENTATION CHAPTER FIVE SUMMARY, CONCLUSION AND RECOMMENDATION... Continue Reading

A 1.25KVA (2000W) inverter generator was designed, constructed and certified Ok. In this project, the design of the inverter generator  is aimed at satisfying the need of converting, a D.C source of supply (12v battery) to an A.C voltage of 220v. The inverter range of output is between 200-220v. Since the inverter was designed to step-up... Continue Reading

The main objective of this project was to ensure a proper security to car being parked in garage against theft or an intruder. The circuit uses three NE555 timers; one of the NE555 was wired as a monostable oscillator and remaining two were wired as tone generator and amplified to obtain a maximum audible sound. However, pin 2 of the... Continue Reading

When it comes to construction projects, landscaping work, and gardening, you need the right kind of equipment to finish tasks speedily and easily. One piece of equipment you would need is a motorised wheelbarrow. This is intended to carry bulky materials and heavy loads. There are a lot of equipments that can be used these days for... Continue Reading

  This project is concerned with the fabrication of as a single face pressurized kerosene cooker. The report shows the possible way in which the above mentioned can be designed, fabricated and maintained.  Its also shows the strength and properties of the materials it is made of.  Defects of the equipment can come through inability to... Continue Reading

This work on the construction and fabrication of a mobile deep freezer revolves around the concept of refrigeration. The concept of refrigeration revolves around the reverse Carnot cycle. This is  a cycle involving isentropic expansion (at the throttling valve), isothermal expansion (at the evaporator), isentropic compression (at the... Continue Reading

  Mechanical Engineering Department of the named Institute has many non – operational malhiues. Sequel to the fact, maintenance was poorly excuted which resulted to the breakdown deep freezer. Quality and effectiveness of machine maintenance were well observed. Also, a minimized maintenance and a highly successful  repair was... Continue Reading

Books are used recoding of what is happening or event that has already taken place which can be storing information it is useful and for the information that such books contained not to cost it support to be properly kept and these can be done when those books are kept in a cool dry place and a place free from rodents and insects... Continue Reading

This work is an attempt evolve a quicker and easier method of achieving Transportation. This will no doubt save considering human labour and time wasted involved in traditional manual method of transportation. To achieve this, preliminary experiment was first carried out to determine the optimum speed of the motor vehicle. Various design... Continue Reading

PREFACE The electrical popcorn machine is a device for preparing especial popcorn for the human consumption. The device in produced to help the masses to be self valiance in this are of down trodden economy. This project work is divided into five chapters, chapter one; the introduction discusses the relevance of the project work, problems it is... Continue Reading

The aim of this project is to design and fabricate a bench shearing machine which can complete favorably with the imported ones. this machine is designed and fabricate, using our cheap and available materials. Some qualities such as durability, reliability and portability are guaranteed. It is functional and can cut or shear a metal of up... Continue Reading