Civil Engineering Basics Quiz

SSC Junior Engineer Exam - 2016 Notes

QID 201: For underwater structure construction, hydraulic lime is used.
QID 202: Tri-calcium aluminate in Portland cement reacts immediately with water and sets first.
QID 203: Rapid hardening cement achieves early strength due to a larger proportion of lime ground finer than normal cement.
QID 204: The percentage of water for normal consistency is 15% to 25%.

SSC Junior Engineer Exam - 2016 (General Engineering)

QID 205: The quality of free lime is determined by a soundness test of cement.
QID 206: Surface moisture causes sand to bulk.
QID 207: 50 kg cement bag requires 22.5 liters of water.
QID 208: All options regarding timber sawing methods are correct (tangential, quarter, and radial).
QID 209: For plywood manufacture, veneers are placed with grains of adjacent veneers at right angles.
QID 210: The portion of a brick without a triangular corner equal to half the width and length is called a king closer.
QID 211: The height of a wash basin sink above the floor is kept between 75 and 80 cm.
QID 212: All statements regarding earthwork calculation and excavation are correct.
QID 213: Earthwork of a highway can be calculated by considering the ground's longitudinal slope and a uniform gradient.
QID 214: All options for the area of a sloping surface of a protective embankment are correct (mid-section, trapezoidal, and prismoidal formula).
QID 215: A 1000 m long, 8 m wide, 15 cm thick cement concrete road over a 10 cm thick gravel sub-base has a cubic content of 1200 m3.
QID 216: Cross-sectional area of a canal embankment is (b1 + b2)h + 2Sh2, considering the sides.
QID 217: Setting out of works, site clearance, and dead men are not measured separately.
QID 218: No deduction is made for openings up to 0.1 sq.m or pipes with a cross-section not exceeding 100 sq cm.
QID 219: Omitted concrete cover in reinforced cement structures assumes a minimum of 25 mm or twice the bar diameter.
QID 220: 100 sq m 4 cm thick floor (1:2:4) needs 0.94 m3 of cement.
QID 221: The required slope correction for a chain of length L is h2 / 2L, where h is the difference in height.
QID 222: Correction per chain length of 100 links along α radians is 100α.
QID 223: In chain surveying, check lines are required for accuracy.
QID 224: An optical square is held with the left hand upright when taking offsets on the right side of chain line
QID 225: In the figure, a road bridge is represented symbolically.
QID 226: The axis of the bubble tube is parallel to the line of collimation when the bubble is central during levelling.
QID 227: Internal focusing telescopes use concave lenses for focusing.
QID 228: The difference in height between two pegs is 0.77 m.
QID 229: Contour interval is the constant vertical distance between adjacent contours.
QID 230: The direction of steepest slope on a contour is at right angles to the contour.
QID 231: Geologic cycle for soil formation is: weathering→ transportation → deposition → upheaval.
QID 232: Water content of soil, is the difference in weight before and after 24 hours drying at 105° to 110°C.
QID 233: Dry density (yd), bulk density (y), and water content (ω) relationship: yd = γ/(1+ω)
QID 234: Void ratio is the ratio of the volume of voids to the volume of solids, Porosity is volume of voids /gross volume of soil, and bulk density is the unit weight of the soil.
QID 235: Alcohol is used in manometers because it has a low vapor pressure.
QID 236: Viscosity is the fluid property of resistance to shear.
QID 237: Unit of kinematic viscosity is m²/s.
QID 238: The total pressure on a vertical sluice gate is 2000 kg.
QID 239: Metacentric height is the distance between the center of gravity of the body and metacentre.
QID 240: Difference in pressure across a liquid drop is 2T/r.
QID 241: Viscosity is the property of a liquid that opposes relative motion between its layers.
QID 242: Atmospheric pressure decreases with increasing altitude.
QID 243: A barometer is used to measure atmospheric pressure.
QID 244: Orifice plates can be used with Reynolds' number up to approximately 2000.
QID 245: Permanent wilting point is the stage when plants cannot extract enough water for survival.
QID 246: If field capacity is 25%, permanent wilting point is 15%, and dry unit weight is 1.5, with root zone depth at 80 cm, the storage capacity is 12 cm.
QID 247: Nagpur Conference recommends a 8.9 m width for national highways in hard rock cuttings.
QID 248: If L = length of rail and R = radius of curve, versine h = L²/8R.
QID 249: Manholes are provided at suitable intervals in sewer pipes.
QID 250: Max sewage flow = [(18 + √P) / (4 + √P)]q if q is avg sewage flow and P is population.
QID 251: A body is in equilibrium if there is no rotation about the center of gravity and no horizontal or vertical movement.
QID 252: Compressive stress is the normal force acting across the cross-section of the bar.
QID 253: Material is in plastic deformation at yield point.
QID 254: The safe load on a 200x200mm concrete column with 4 steel bars is 274 MN.
(More questions and answers are included in the document.)