Civil Engineering :: UPSC Civil Service Exam Questions
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A cold drawn seamless steel tubing subject to internal pressure, has a diameter of 6 cm and wall thickness of 0.2 cm. The ultimate strength of steel is 3600 kg/cm2. The bursting pressure (in kg/cm2) is
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Which of the following factors are associated with the behaviour of sand mass during earthquake to cause liquefaction ?
1. Number of stress cycles
2. The frequency, and amplitude of vibration of waves generated by an earthquake
3. Characteristics of sand
4. Relative density
Select the correct answer using the codes given below : -
The ratio of total elongation of a bar of uniform cross-section produced under its own weight to the elongation produced by an external load equal to the weight of the bar is
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The figure refers to a channel section of uniform thickness of 1 cm used as a beam with the cross-sectional dimensions shown in cm units. If the Moment of Inertia of channel Ixx be equal to 246 cm4 and C be the shear centre, then the value of e in cm is equal to
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The shear force diagram of a beam is shown in the given figure. The absolute maximum bending moment in the beam is
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A locomotive has four pairs of driving wheels carrying an axle load of 24 x 104 N. The maximum load that can be pulled if the coefficient of friction is 1/6, is
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A bar of circular cross-section of diameter D is subjected to a torque T at B as shown in the figure given. What is the angle of twist at A?
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Consider the following statements regarding Plane Table surveying :
1. It is less accurate than chain surveying.
2. It is not necessary to do accurate centering of plane table for small scale survey.
3. Compass rule may be made use for adjusting the plane table transverse.
4. From the instrument station, resectors are drawn to plot the position of object in the field.
Of these statements : -
A pin-jointed tower truss is loaded as shown in the given figure. The force induced in the member DF is
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In a PERT network, the activity durations are given as to (optimistic), tp (pessimistic) and tm (most likely time). What is the variance of is activity ?
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