Author: VideRime
Plane table accessories or equipments required to carry out survey
The instruments required to carry out the plane table survey are as follows: • Plane table: It consists of board, 750×600 mm and about 25 mm thick. It is mounted on a tripod. • Alidade: This is the instrument, about 45 cm long which is used on the plane table...
Short note on Dumpy level, its parts/components, neat sketch and details
Figure shows the sketch of a dumpy level. It is very simple, stable and easy to use. It consist of telescope, which is fixed with the supports and hence, it is not possible to rotate it about its own axis. A long bubble tube is attached to the top of...
Difference between Direct and Indirect methods of Contouring
S.No. Direct Method Indirect Method 1. In this method, the contours are directly located on the ground and the points of given contour are marked on the ground. In this method, levelling work is carried out in the field and location of contour points is done in the office. 2....
Define Under rigid, just rigid and over rigid trusses
Before we start, we all know that trusses classification is based on their rigidity. A under rigid truss is one in which number of members are not sufficient to maintain the stability of structure under external loading. Here if number of members (n) is less than (2j-3), the truss is...
Define Truss and list the assumptions made for the analysis of a truss
Truss may be defined as a structure made up of several bars joined together at their ends. These bars which are made up of angles or channel sections are called members of the truss. Various members of a truss are joined together byriveting, welding or by nuts and bolts. However,...
Explain free body diagram and draw the free body diagram of a ball of weight W placed on a horizontal surface
A body in equilibrium is subjected to a number of external forces and reactive forces, provided by the supports. The equilibrium of such bodies may be considered by removing the supports and replacing them by reactions, which they exert on the body. The body so isolated from the system is...
Difference between resultant and equilibrant and what do you understand by “A body is in Equilibrium”
If a number of forces are acting simultaneously on a particle, it is possible to find out a single force which could replace them i.e. which would produce the same effect as produced by all the given forces. This single force is called resultant force. This resultant force, causes the...
Composition/proportions of cement mortar for various uses
S.No. Nature of Work Mortar Type and Composition 1. Pointing work 1:1 to 1:2 cement sand mortar 2. Reinforced brickwork 1:3 cement sand mortar 3. Damp proof courses and cement concrete roads. 1:2 cement sand mortar 4. Thick joints in stone masonry. Hydraulic lime sand mortar (1:2 to 1:3) 5....
Different types of defects That appears in Timber
Defects in timber are normally caused by changing climatic conditions. Some important defects and diseases are : Star Shakes: These are radial splits which are starting from the bark, running in the planes of medullary rays, towards the center of the tree. These are caused due to rupture of tissues...
What is meant by Timber and what are the uses of Timber
Timber is an old age building material. The term ‘timber’ means the wood of sufficient size, which is suitable for engineering construction purpose. It is used in building construction in various locations such as beams, trusses, rafter, floors, roofs, doors, windows, poles, staircases, poles, and columns. The word Timber means...
Difference between Galvanized Iron (GI) and Asbestos cement (AC) sheets
Corrugated Galvanized Iron sheets (used in factories and workshops) Asbestos cement sheets Thatch coverings (in sheds) Patent tiles (Mangalore tiles) Wood Shingles Half round Country tiles Asbestos cement tiles S.No. Galvanized Corrugated Iron sheets (GI) Asbestos cement sheets (AC) 1. GI sheets are not easily break and handling of these...
Need a Google Adsense account for your blog or website owned by You
Now you are going to read this article it means that you have started your blog or website online and now you want to monetize your blog/website because you are getting thousands of visitors monthly from your rich content available in your site. Here, we are going to tell you...
Want to start a blog for passive income in Seven steps in 2020
Want to start a blog or website but you don’t know how to start so don’t worry I will tell you in a simple way and don’t think that it’s a scientist work. Now we will start the process, as you are reading this article then you must came up...