30101. Given figure shows a retaining wall of base width B1 and height H1 The sp. gravity of the material of construction is S. Further AB = BC = CD =
When the depth of storage increases from 0 to H1, the resultant force will move from
30102. A machine costs Rs. 16, 000. By constant rate of declining balance method of depreciation, its salvage value after an expected life of 3 years is Rs. 2, 000. The rate of depreciation is
30103. Consider the following statements regarding the longitude of a place.
It is determined by :
1. wireless time signals
2. transportation of chronometers
3. electric telegraph.
Of these statements :
30104. The outstand of the flange of built-up beams from the line of connection should not extend beyond:(where T is the thickness of flange and tw is the thickness of web)
30105. Consider the following statements :
In subsoil exploration programme the term "significant depth of exploration" is upto
1. the width of foundation
2. twice the width of foundation
3. the depth where the additional stress intensity is less than 20% of overburden pressure
4. the depth where the additional stress intensity is less than 10% of the overburden pressure
5. hard rock level.
Of these statements :
30106. Which one of the following statements is correct ? Compared to IFR conditions, the runaway capacity of a runway operating under VFR consitions
30107. He told me that he ......... going abroad.?
30108. The total observed runoff volume during a 4 hour storm with a uniform intensity of 2.8 cm/hr is 25.2 x 106 m3 from a basin of 280 km2 area. What is the average infiltration rate for the basin ?
30109. A car accelerates from rest to a speed of 10 m/s and the energy spent in doing this is E. If the car is further accelerated from 10 m/s to 20m/s, what is the amount of energy to be spent further ?
30110. The losses in prestress in pre-tensioning system are due to :
1. elastic deformation of concrete when wires are tensioned successively
2. friction
3. shrinkage and creep of concrete
Select the correct answer using the codes given below:
30111. Consider the following statements in relation to the given sketch :
1. Soil is partially saturated at degree of saturation = 60%
2. Void ratio = 40%
3. Water content = 30%
4. Saturated unit weight = 1.5 g/cc
Of these statements :
30112. A journey from work to home made by walking to the bus, travelling by bus to the station and completing the journey by train is regarded as
30113. Who among the following, took great interest in the preservation of the ancient monuments in India?
30114. A T-section is used as a simply supported beam with uniform loading. The maximum bending stress for a given load will occur at the
30115. If the width of a carriageway is 5.5 m, then what is it called ?
30116. The performance of a well is measured by its
30117. What is the prime objective of providing a point lock ?
30118. The velocity vector for a steady three-dimensional flow field is described as :
At point (1, 2, 3) what is the approximate value of the magnitude of the velocity?
30119. I did not see him ..........?
30120. In a closed traverse, the sum of south latitudes exceeds the sum of north latitudes and the sum of east departures exceeds the sum of west departures. The closing line will lie in the
30121. Creep of a material is a property indicated by
30122. The most accurate measurement of the lengths of long survey lines is made by using ?
30123. A saturated clay layer with single drainage face takes 4 years to attain 50% degree of consolidation. If the clay layer had double drainage, then the time required to attain 50% degree of consolidation is
30124. Consider the following statements :
Among the more common varieties of timber, namely, sal, mango and deodar,
1. sal is the strongest.
2. mango is the least durable.
3. deodar is the lightest.
Of these statements :
30125. Which one of the following tools is required to bend the rails for track maintenance ?
30126. On which one of the following concepts is the basic principle of structural design based ?
30127. Consider the following statements :
If two planes at right angles carry only shear stress of magnitude 'q', then the
1. diameter of Mohr's circle would equal 2q
2. centre of the Mohr's circle would lie at the origin
3. principal stresses are unlike and have magnitude 'q'
4. angle between the principal plane and the plane of maximum shear would be equal to 45° Of these statements :
30128. Two bodies of masses m1 and m2 are communicated by a light inextensible string passing over a small smooth fixed pulley; m1 > m2. What is the acceleration of the system ?
30129. Consider the following statements :
1. Butterfly valve is used for throttling and controlling flow rate.
2. Check valve is used in the discharge piping of a pump.
3. Air-relief valve is placed in the pipeline at the valleys to automatically vent the accumulated air in the system
4. Altitude valve is provided in user overhead tank.
Which of the statements given above are correct ?
30130. A beam of rectangular section 100 mm x 300 mm carries certain loads such that the Bending Moment at a section A is M ans at another section B it is (M + C).The distance between the sections A and B is 0.5 m and there are no external loads acting between the two sections. If the value of C is 10, 000 Nm, then the maximum shear stress is
30131. Consider the following statements :
If a simply supported beam of uniform cross-section is subjected to a clockwise moment at the left support and an equal anticlockwise moment at the right support, then the
1. B.M.D. will be in the shape of a rectangle.
2. S.F.D. will be a straight line coinciding with the base.
3. deflection curve will be in the shape of a circular arc.
Of these statements :
30132. Which one of the following related to domestic potable water quality is correct?
30133. Ampere hour is unit of?
30134. BOD is preferred to COD as an index of sewage concentration because
30135. Consider the following systems :
1. Trusses and purlins
2. Suspension system
3. Flat grid roof
4. Shells
When these are used in single deck industrial structures, the correct sequence in increasing order of spans will be
30136. A clay layer 3 m deep is sandwiched by a pervious material. The soil reaches 90% consolidation in 3 years. At another site, the same clay layer is bounded by impervious boundary at the bottom and sand at the top. What is the time taken by this layer to reach 90% settlement ?
30137. What is the distance through which the tongue rail moves laterally at the toe of the switch for movement of trains called ?
30138. Presence of which one of the following in water is the major cause of depression paralysis, blindness and/or birth defects ?
30139. A substance is coloured due to the absorption of?
30140. Force of buoyancy on a floating body equals
30141. Which one of the following statements is correct ?
Lug angles:
30142. Consider the following statements :
A : The collapse load found in the plastic analysis of a continuous beam is affected by sinking of supports.
B : Large elastic stresses are caused at the supports due to sinking of supports.
Of these statements :
30143. When a particular discharge is flowing in a horizontal pipe, a mercury-water U-tube manometer connccted to the entrance and throat of a venturimeter fitted in the pipe recorded a deflection of 25 cm. If the same discharge flowed through the same pipe kept at an inclination of 45° to the horizontal, then the corresponding deflection recorded by the U-tube manometer will be
30144. Where was the Birth Place of Islam?
30145. A grinding wheel rotates 3000 rpm. When power supply is cut off, the wheel stops completely in 10 seconds. What is the number of revolutions made by the wheel before coming to rest ?
30146. When is a masonry wall known as a shear wall ?
30147. A parabolic arch, symmetrical, with hinges at centre and ends, carries a point load P at distance x from left support. The arch has a span of 20 m and rise of 5 m. What is the value of x if the left hinge reaction is inclined with a slope of two vertical on one horizontal ?
30148. Energy in stars is produced by?
30149. Consider the following statements for the column with a bracket as shown in the figure :
1. Shear force is constant throughout.
2. Maximum moment in the column is P.e.
3. The compressive axial force in the column is 0.4. p.
Which of the statements given above is/are correct ?