Basic Civil Engineering & Mechanics (BT-204) - Important Questions

Various types of doors and windows used in building construction

Purpose and different types of foundations / footings including RCC footings

Explain the physical and chemical properties/characteristics of concrete.

Explain characteristics of stones, methods of testing stones, and list types of stones used in building work

General principles to be observed in brick masonry construction

Various types of stone masonry with typical sketches

Define mortar and describe estimation of mortar requirement.

What are the constituent, desirable properties and types of Paints?

Define workability of concrete and explain the factors affecting workability.

Describe the concrete preparation procedure.

Discuss the compaction and curing process of concrete.

Short notes on shallow foundation, survey stations, remote sensing, geodetic surveying, free body diagram

Explain the meaning of levelling and describe reciprocal levelling in detail.

Find RLs of all points by Rise and Fall method with arithmetic check when the instrument is shifted after the fourth and eighth readings and the last reading is on a known BM.

Explain the individual components/parts of a theodolite with a neat sketch

With neat sketch explain the principle of positioning with GPS.

Explain with neat sketch traversing by the method of included angles and traversing by the method of direct angles.

Explain the auto level with a neat sketch

What is local attraction in surveying and how is it detected at a survey station?

Write short notes on magnetic declination, Bow's notation, plane tables, D-Alembert's principle and types of staircase.

Define true bearing and magnetic bearing, fore sight and back sight, local attraction, and errors in chain surveying.

Reduce consecutive staff readings from a known starting RL, enter in level book with checks, and determine gradient of the line.

Explain the description/parts of a dumpy level with a neat sketch

Illustrate the difference between Height of Collimation method and Rise and Fall method.

Explain the principle of remote sensing and its applications in construction and civil engineering including terrain analysis, site investigation and material inventories.

Compute area between chain line, irregular boundary and end offsets from given offsets at regular interval using i) Mid-Ordinate Rule ii) Average-Ordinate Rule iii) Trapezoidal Rule iv) Simpson's Rule.

Define contour and explain different methods of contouring.

What are contour lines and explain their properties/characteristics?

Write short notes on remote sensing, contour lines, types of surveying, EDM and survey stations.

Explain the Mid-ordinate rule, Average-ordinate rule, Trapezoidal rule and Simpson's rule for area computation with neat sketches.

Explain contour line, contour interval, horizontal interval and uses of contour maps.

Calculate volume of earthwork for level-ground embankment with given centre heights using trapezoidal and prismoidal formulae.

What are Survey Stations and How to select a Survey Station.

Calculate / determine forces in truss members using the method of joints.

Find the least value of $P$ to cause impending motion to the left for the system of blocks with coefficient of friction $0.20$ under each block.

Given the parallel efforts required to just move a body up inclined planes at two different angles, find the weight of the body and the coefficient of friction.

Write the steps for finding the resultant of a concurrent coplanar force system.

Explain concurrent and non-concurrent coplanar forces.

State the assumptions used in the method of joints.

Define the method of joints and method of sections to analyze a plane truss with example.

State and derive Lami's theorem and solve a problem using it.

Find the minimum and maximum force $F$ to hold a block in equilibrium on an inclined plane with static friction without slipping up or down.

Explain the difference between the method of joints and the method of sections.

Explain about the following Terms: Force Diagram and Bow's notations

Calculate / determine the moment of inertia of a plane lamina about a given axis

Draw the shear force and bending moment diagrams for a simply supported beam of span $L$ carrying U.D.L. of intensity $W$ over the entire span and find maximum shear force and bending moment.

Draw the shear force and bending moment diagrams for a simply supported beam carrying a distributed load plus a central concentrated point load (numerical).

Define / explain moment of inertia and radius of gyration

Write short notes on any two of: principal axes with example, product of inertia with example, moment of inertia of rectangular shape.

Provide the procedure to draw shear force and bending moment diagrams under point load, U.D.L. and couple.

Define and derive the parallel axis theorem

Explain support reactions and their types and explain shear force and bending moment for a cantilever beam.

Explain about the following Terms:

Draw the shear force and bending moment diagrams for a simply supported beam of span $L$ carrying a concentrated load $W$ at distance $a$ from the left support and $b$ from the right support.

Differentiate between moment of inertia and product of inertia.

State the D'Alembert's principle and its application.

State the assumptions used in simple bending and derive the bending equation.

Determine the diameter of rod $200\text{ m}$ long length vertically and subjected a axial pull of $325\text{ kN}$ at its lower end if its weight per cubic meter is $80\text{ kN}$ and working stress is $75\text{ MPa}$. Also determines the total elongation of rod. Take $E = 210\text{ GPa}$.

State work energy principle. A uniform cylinder of $125\text{mm}$ radius has a mass of $0.15\text{ kg}$ this cylinder rolls along the horizontal surface without slipping with a translation velocity of $20\text{cm/s}$. Determine its total kinetic energy.

What do you understand by reversible and irreversible machines? Explain with suitable examples.