301. The hoop stress in a riveted cylindrical shell of diameter (d), thickness (t) and subjected to an internal pressure (p) is (where η = Efficiency of the riveted joint) ✅ The correct answer is option B.
302. In a thick cylindrical shell subjected to an internal pressure (p), the tangential stress is always a tensile stress where as the radial stress is a compressive stress Correct Incorrect ✅ The correct answer is option A.
303. The ultimate tensile stress for mild steel is __________ the ultimate compressive stress. equal to less than more than ✅ The correct answer is option C.
304. When there is a sudden increase or decrease in shear force diagram between any two points, it indicates that there is a point load at the two points no loading between the two points uniformly distributed load between the two points uniformly varying load ✅ The correct answer is option A.
305. In watches, the spring is used to absorb shocks and vibrations. Yes No ✅ The correct answer is option B.
306. A beam of T-section is subjected to a shear force of F. The maximum shear force will occur at the top of the section bottom of the section neutral axis of the section junction of web and fl ✅ The correct answer is option C.
307. The section modulus of a circular section about an axis through its C.G., is πd2/4 πd2/16 πd3/16 πd3/32 ✅ The correct answer is option D.
308. A thick cylindrical shell having ro and ri as outer and inner radii, is subjected to an internal pressure (p). The minimum tangential stress at the outer surface of the shell is ✅ The correct answer is option C.
309. The actual neutral axis of a reinforced cement concrete beam is based on the principle that the moment of areas of compression and tension zones at the neutral axis are equal. Agree Disagree ✅ The correct answer is option A.
310. According to Euler’s column theory, the crippling load of a column is given by p = π2 EI/Cl2 In this equation, the value of C for a column with both ends hinged, is 1-Apr 1-Feb 1 2 ✅ The correct answer is option C.