Assertion A : English method of tunneling requires more time as compared to other methods of tunneling. Reason R : In English method of tunneling, the masons and excavators have to work alternately/ September 7, 2025 by Admin A. Both A and R are true and R is the correct explanation of A. B. Both A and R are true and R is not the correct explanation of A. C. A is true but R is false. D. A is false but R is true. ✅ The correct answer is option A.
Pick up the correct statement from the following ? September 7, 2025 by Admin A. The moment of inertia is calculated about the axis about which bending takes place B. If tensile stress is less than axial stress, the section experiences compressive stress C. If tensile stress is equal to axial stress, the section experiences compressive stress D. All the above ✅ The correct answer is option D.
static equations i.e. H V M = 0, to a determinate structure, we may By applying the determine_________________? September 7, 2025 by Admin A. Supporting reactions only B. Shear forces only C. Bending moments only D. All the above ✅ The correct answer is option D.
The correct sequence of drilling equipment for increasing size of holes in tunnels is________________? September 7, 2025 by Admin A. wagon drill, churn drill, shot drill B. wagon drill, shot drill, churn drill C. shot drill, churn drill, wagon drill D. churn drill, wagon drill, shot drill ✅ The correct answer is option A.
The maximum deflection of a simply supported beam of span L, carrying an isolated load at the centre of the span; flexural rigidity being EI, is______________? September 7, 2025 by Admin A. WL3/3EL B. WL3/8EL C. WL3/24EL D. WL3/48EL ✅ The correct answer is option D.
Ribs are used for strengthening and stiffening the liner plate for tunnels of diameter greater than_____________________? September 7, 2025 by Admin A. 2 m B. 3 m C. 4 m D. 5 m ✅ The correct answer is option B.
Pick up the correct statement from the following_______________? September 7, 2025 by Admin A. The structural member subjected to compression and whose dimensions are small as B. compared to its length, is called a stmt The vertical compression members are generally known as columns or stanchions C. Deflection in lateral direction of a long column, is generally known as buckling ✅ The correct answer is option D.
In compressed air tunneling, the volume of free air provided is______________? September 7, 2025 by Admin A. 6 mJ per second per m2 of face area B. 6 m3 per minute per m2 of face area C. 20 m3 per minute per m2 of face area D. 6 m3 per hour per m2 of face area ✅ The correct answer is option B.
Flat spiral springs_______________? September 7, 2025 by Admin A. Consist of uniform thin strips B. Are supported at outer end C. Are wound by applying a torque D. All the above ✅ The correct answer is option D.
If E, N, K and 1/m are modulus of elasticity, modulus of rigidity. Bulk modulus and Poisson ratio of the material, the following relationship holds good_______________? September 7, 2025 by Admin A. E = 3K (1 – 2/m) B. E = 2N (1 + 1/m) C. (3/2)K (1 – 2/m) = N (1 + 1/m) D. All the above ✅ The correct answer is option D.