Direction: In the following question consists of two statements Assertion(A) and Reason(R). You have to read the statements carefully and select the answers to these questions using the options below.
Assertion (A): a material is incompressible if its poissions ratio is 0.5
Reason(R): the bulk modulus K is related to modulus of elasticity E and to poissons ratio as per well known relationship.
The detachment of the paint film from the surface is known as
For a prestressed concrete beam, a minimum clear spacing between group of cables should be
A fixed beam beam of span 4 m is loaded with uniformly distributed load of 1.5 kN/m throughout the span. If during the loading, left support rotates clockwise by 0.001 rad then fixed end moment of left end is [Take EI = 1 × 1010 N-cm2]
Zigzag deposition and movement of sand on a sea beach is called as
Consider the following statements regarding notches:
Which of the above statements are CORRECT?
During a laboratory consolidation test with double-drainage system, a 20 mm thick clay sample underwent 90% consolidation in 10 minutes. If another sample of the same soil is tested with single drainage with all other conditions remaining same, what would be the time required for it to undergo 90% consolidation?
In chain surveying, perpendiculars to the chain line are set out by
Consider the following statements:
1. Most colloidal particles in water are negatively charged.
2. The surface charge on colloidal particles is the major contributor to their stability.
Which of these statement is/are correct?
Consider the following statements regarding tensile test diagram for carbon steel with varying carbon contents :
As the carbon content increases
Which of the above statements are CORRECT?
Two point loads 2X and X spaced 3 m apart cross a girder of 9 m span. If the maximum bending moment occurring on the girder is 48 kNm, then the value of X is
A simply supported beam (diamond cross-section) of span 6 m is subjected to a uniformly distributed load throughout its length. The length of plastic hinge (in m) is
The effective height of a masonry wall of height H restrained fully at its top and partially at its bottom is
A cantilever beam is subjected to total a uniformly distributed load W over its whole length L and a concentrated upward force W at the mid span. The deflection at free end is
Mohr’s stress circle helps in determining which of the following?
Which of the above statements is(are) CORRECT?
Which of the following methods can be adopted while tunneling in soft soils?
For a pre–tensioned beam, Young’s modulus of steel and concrete are 200 GPa and 35 GPa, respectively. If the ultimate shrinkage strain and ultimate creep coefficient are 200 microns and 1.6, respectively, what is the level of sustained stress in concrete at the level of ‘steel’. If the loss due to creep is three times the loss due to shrinkage.
Consider the following statements:
Which of the above statements is/are correct?
For the same number of bolts, the maximum efficiency is achieved in
Consider the following statements:
Which of the above statements are CORRECT?
Considers the following statement regarding Load Path Safety.
Which of the following statements are correct?
The cubes and cylinders are stored under water or placed in constant temperature at 100% relative humidity before testing
Consider the following statements
Which of the above statements are correct.
A beam with a cantilever arm BC supporting a freely supported end span CD is shown below. The shear force (in tonnes) at A due to a uniformly distributed dead load of intensity 2 t/m covering the entire span ABCD will be
A fillet-welded joint of 8 mm size weld is shown in the figure. The permissible stress in the fillet weld is 120 MPa. The safe load that can be transmitted by the joint is
While designing a combined footing, the resultant of the column loads passes through the centre of gravity of the footing so that the net soil pressure obtained is:
For a linear elastic structure, minimization of potential energy yields
The consistency of saturated soil is mainly affected by