101. A beam of square section of side 'a' is plane in the following way :
Case I: with two sides horizontal
Case II: with a diagonal horizontal
The ratio of the section modulus of Case I that of Case II is
102. Consider the following statements :
1. Tests on cement paste to determine initial and final setting times are done at normal consistency condition.
2. Low heat cement has a high percentage to tricalcium aluminate.
3. High early strength portland cement contains a larger percentage of tricalcium silicate and a lower percentage of dicalcium silicate.
Which of these statements are correct ?
103. What is the vertical deflection of joint C of the frame shown in figure ?
104. In consolidation testing, curve fitting method is used to determine
105. Consider the following types of soil tests :
1. California bearing ratio
2. Consolidation
3. Unconfined compression
The soil tests required to be done in the case of undisturbed samples include
106. A cantilever beam AB, fixed at A and carrying a load W at the free end B, is found to deflect by δ at the mid-point of AB. The deflection of B due to a load W/2 at the mid-point will be
107. A plan of an area drawn with the original scale of 1 cm = 10 m, has shrunk such that a line, originally 15 cm long on the plan, measures now 14.5 cm. The shrunk scale is given by 1 cm equal to
108. In a tree, the cambium layer is situated between :
109. Two closed thin vessels, one cylindrical and the other spherical with equal internal diameter and wall thickness are subjected to equal internal fluid.pressure. The ratio of hope stresses in the cylindrical to that of spherical vessels is
110. Who is the first woman won the medal in Olympics?
111. For a partially saturated soil, Δu the increase in pore water pressure, when no drainage is permitted, is expressed as (where A and B are Skempton's pore pressure parameters and Δσ1 and Δσ3 are major and minor principal stress increments)
112. Chalukya ruler, Pulakesin II defeated?
113. A compound bar consisting of material A and B is tightly secured at the ends. The coefficients of thermal expansion of A is more than that of B. When the temperature is increased the stresses induced will be
114. Couple M is applied at C on a simply supported beam AB. What is the maximum shear force for the beam ?
115. At a certain point in a structural member, there are perpendicular stresses 80 N/mm2 and 20 N/mm2, both tensile. What is the equivalent stress in simple tension, according to the maximum principal strain theory ? (Poisson's ratio = 0.25)
116. Duration along the critical path defines which of the following ?
1. Shortest duration needed
2. Shortest duration permissible
3. Longest duration needed
4. Longest duration permissible
Select the correct answer using the code given below :
117. A cantilever of constant depth carries a uniformly distributed load on the whole span. To make the maximum stress at all sections the same, the breadth of the section at a distance x from the free end should be proportional to
118. Consider the following parameters related to a rotary intersection :
1. Width of the weaving section.
2. Length of the weaving section.
3. Proportion of weaving traffic.
4. Weaving angle.
5. Width of the carriageway at entry.
Capacity is generally expressed in terms of
119. Consider the following statements :
I. The intersection of the first and last ray in funicular diagram is on the line of action of the resultant.
II. Intersection of first and last ray in polar diagram gives the magnitude of the resultant.
Of these statements :
120. What is value of stress at the base CC for the bar shown in the given figure ?
121. The frame shown in the given figure has
122. Following data are given for two soil samples A and B :
Sample A : Void ratio = 1, total volume = 1 m3
Sample B : Void ratio = 2, total volume = 1 m3.
The two samples are mixed and compacted in a mould to a volume of 1 m3. Which one of the following figures correctly indicates the porosity of the compacted soil ?
123. The laboratory tests on a sample yielded the following results :
Plasticity index : 32 %
Liquidity index : - 0.15,
Activity number: 1.58.
Which of the following inferences can be drawn ?
1. The soil is very stiff.
2. The soil is medium soft.
3. The soil is highly plastic.
4. The soil is medium plastic.
5. The soil is active.
Select the correct answer using the codes given below :
124. The compacting factor test of cement concrete determines its
125. The depreciation charges for a machine are thirty paise per working hour. The machine has a scrap value of Rs 2, 000 and a working hour average life of 24000 hours. What is the purchase price of the machine ?