101. The focal length of the object glass of a tacheometer is 200 mm, the distance between the vertical axis of the tachometer and the optical centre of the object glass is 100 mm and the spacing between the upper and lower line of the diaphragm axis is 4 mm. With the line of collima-tion perfectly horizontal, the staff intercepts are 1 m (top), 2 m (middle), and 3 m (bottom). The horizontal distance (m) between the staff and the instrument station is
102. Allowable average shear stress in an un-stiffened web for beams made of steel of grade 250 N/mm2 is :
103. The superelevation needed for a vehicle travelling at a speed of 60 kmph on a curve of radius 128 m on a surface with a coefficient of friction of 0.15 is :
104. The plastic modulus of a section is 4.8 x 10-4 m3. The shape factor is 1.2. The plastic moment capacity of the section is 120 kN.m. The yield stress of the material is
105. A propped cantilever beam in shown in the below figure. The plastic moment capacity of the beam is M0. The collapse load P is
106. The removal of dissolved organic matter occurs in
107. The toughness index of clayey soils is given by
108. A cantilever beam is shown in the below figure. The moment to be applied at free end for zero vertical deflection at that point is
109. The order or the flexibility matrix for a structure is,
110. The Bowen ratio is defined as :
111. Water flows at a depth of 0.1 m with a velocity of 6 m/s in a rectangular channel. The alternate dpeth is
112. Two footings, one circular and the other square, are founded on the surface of a purely cohesionless soil. The diameter of the circular footing is same as that of the side of the square footing. The ratio of their ultimate bearing capcities is
113. An isochrone is a line on the basin map
114. Muskingum method for routing of flood
115. A frame ABCD is supported by a roller at A and is on a hinge at C as shown below
The reaction at the roller end A is given by
116. On an immersed body in a flowing fluid the lift force is :
117. In a section, shear centre is a point through which, if the resultant load passes, the section will not be subjected to any
118. Which one of the following conditions, both elastic and plastic methods of analysis of indeterminate structures have to satisfy ?
119. During the reign of which of the following emperors was the artillery most perfect and numerous?
120. Bituminous materials are used in highway construction primarily because of their :
121. The comparison between pumps operating in series and in parallel is :
122. At highway stretches where the required overtaking sight distance cannot be provided, it is necessary to incorporate in such sections the following :
123. A pile of 0.50 m diameter and of length 10 m is embedded in a deposit of clay. The un-drained strength parameters of the clay are cohesion = 60 kN/m2 and the angle in internal friction = 0. The skin friction capacity (kN) of the pile for an adhesion factor of 0.6, is
124. A roundabout is provided with an average entry width of 8.4 m, width of weaving section as 14 m, and length of the weaving section between channelizing islands as 35 m. The crossing traffic and total traffic on the weaving section are 1000 and 2000 PCU per hour respectively. The nearest rounded capacity of the roundabout (in PCU per hour) is
125. The shape of the STOP sign according to IRC:67-2001 is