Question: The number of independent equations to be satisfied for static equilibrium of a plane structure is__________________?

• 1. 1
• 2. 2
• 3. 3
• 4. 6

Question: To generate the j the column of the flexibility matrix________________?

• 1. a unit force is applied at coordinate j and the displacements are calculated at all coordinates
• 2. a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates
• 3. a unit force is applied at coordinate j and the forces are calculated at all coordinates
• 4. a unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates

Question: The force in AC of the truss shown in the given figure, is_________________?

• 1. 5t tension
• 2. 4t tension
• 3. 4t compression
• 4. 5t compression

Question: The maximum B.M. due to an isolated load in a three hinged parabolic arch, (span l and rise h) having one of its hinges at the crown, occurs on either side of the crown at a distance_______________?

• 1. l/4
• 2. h/4
• 3. l
• 4. l

Question: For calculating the permissible stress 0 y /[(1 + a(l/r)²] is the empirical formula, known as__________________?

• 1. Straight line formula
• 2. Parabolic formula
• 3. Perry’s formula
• 4. Rankine’s formula

Question: For beams breadth is constant__________________?

• 1. Depth d M
• 2. Depth d 3
• 3. Depth d
• 4. Depth d 1/M

Question: A short column (30 cm × 20 cm) carries a load P 1 at 4 cm on one side and another load P2at 8 cm on the other side along a principal section parallel to longer dimension. If the extreme intensity on either side is same, the ratio of P1 to P2 will be______

• 1. 2/3
• 2. 3/2
• 3. 8/5
• 4. 5/8

Question: To determine the force in BD of the truss shown in the given figure a section is passed through BD, CD and CE, and the moments are taken about________________?

• 1. A joint
• 2. B joint
• 3. C joint
• 4. D joint

Question: A simply supported beam which carries a uniformly distributed load has two equal overhangs. To have maximum B.M. produced in the beam least possible, the ratio of the length of the overhang to the total length of the beam, is_________________?

• 1. 0.207
• 2. 0.307
• 3. 0.407
• 4. 0.508

Question: If a solid shaft (diameter 20 cm, length 400 cm, N = 0.8 × 105 N/mm2) when subjected to a twisting moment, produces maximum shear stress of 50 N/mm 2, the angle of twist in radians, is_________________?

• 1. 0.001
• 2. 0.002
• 3. 0.0025
• 4. 0.003