VOLTAGE (POTENTIAL DIFFRENCE) Difference between points in electric field: the work done in moving a unit electric charge between two points in an electric field. Electric potential: electric potential expressed in volts. It is measured in volts. The instrument for measurement is a voltmeter. RESISTANCE Resistance is the opposition that a circuit, component, or …
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ELECTRIC CIRCUITS Electric circuit can be defined as the path provided for easy flow of electric current. It is for conversion of the electric current into useful purposes such as lighting and heating. Electric circuit is connected or fitted with devices that control and measure the current and energy used in the process. Simple electric …
DEFINITION OF MAINTENANCE Maintenance in engineering work is defined as the functions that should be carried out every day in order to keep the plant or any engineering equipment in good operating condition. Any breakdown in plant and engineering equipment is the result of inadequate maintenance of equipment. TYPES OF MAINTENANCE Predictive maintenance: This …
In order to work safely and conveniently on any work piece, it needs firmly secured. The devices used for holding these work piece firmly are called holding vices. Holding devices include the following: Vices Clamps Pliers VICES Vices are used for holding objects rigidly in position, so that desired operations can be carried out. …
METAL WORK- HAND TOOL – CUTTING AND DRIVING TOOLS CUTTING TOOLS Cutting tools are tools used for cutting materials by either sawing, filing, chiseling, scraping. Cutting tools include the following: Hacksaw Files Chisel Scraper Hacksaw The hacksaw consists of two parts: the frame and the blade. It is used mainly for cutting metals in …
METAL WORK- HAND TOOL – MARKING OUT AND MEASURING TOOLS Metal is one of the materials used in technology for construction and fabrication of devices. Metal as a material can be fabricated into various shapes and products. However, to be able to do that, you need appropriate tools. These tools are either hand tools or …
WOODWORK HAND TOOLS – BORING TOOLS, CUTTING TOOLS BORING TOOLS Boring tools are the tools used for making holes on wood. The major tzpes are The brace The bits Gimlet Bradawl THE BRACE: This is a tool used for holding and turning the drill bits or twist drill when drilling hole. There are two …
REVISION ___ is a universal language used for communication among technical people (a) Scaling (b) Technical drawing (c) Sketching (d) Oblique. Technical people include the following except (a) engineers (b) technicians (c) builders and draughtsman (d) lawyer Which of the following is not a drawing instrument (a) set squares (b) French curve (c) microscope (d) …
FLOORS This is a flat bottom surface in or on any structure. It is a rigid building assembly that divides space horizontally into stories. It forms the bottom of a room. It may consist of joist-supported wood planks or panels, decking or panels supported by wood or steel beams, a slab of stone or concrete on …
Types of building Bungalow: It is dwelling built in a style developed from that of a form of rural house in India. The original bungalow typically has one story, few rooms, and a maximum of cross drafts, with high ceilings, unusually large window and door openings, and verandas on all sides to shade the rooms …