87252. The ratio of total useful heat drop to the total isentropic heat drop, is called
87253. The pressure at which the steam leaves the nozzle is known as back pressure.
87254. A steel bar of 5 mm is heated from 15° C to 40° C and it is free to expand. The bar Will induce
87255. A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum normal stress will be
87256. Two shafts 'A' and 'B' transmit the same power. The speed of shaft 'A' is 250 r.p.m. and that of shaft 'B' is 300 r.p.m. The shaft 'B' has the greater diameter.
87257. The stress induced in a body, when suddenly loaded, is __________ the stress induced when the same load is applied gradually.
87258. For a beam, as shown in the below figure, the maximum deflection is .
87259. If the slenderness ratio for a column is 100, then it is said to be a __________ column.
87260. A masonry dam may fail due to
87261. In order to prevent crushing of masonry at the base of the dam, the maximum stress should be __________ the permissible stress of the soil.
87262. When a body is subjected to two equal and opposite pushes, as a result of which the body tends to reduce its length, the stress and strain induced is compressive.
87263. The bending moment at a point on a beam is the algebraic __________ of all the moments on either side of the point.
87264. The maximum diameter of the hole that can be punched from a plate of maximum shear stress 1/4th of its maximum crushing stress of punch, is equal to (where t = Thickness of the plate)
87265. Two closely coiled helical springs 'A' and 'B' are equal in all respects but the number of turns of spring 'A' is half that of spring 'B' The ratio of deflections in spring 'A' to spring 'B' is
87266. The deformation per unit length is called
87267. In the torsion equation the term J/R is called
87268. Strain resetters are used to
87269. The torque transmitted by a solid shaft of diameter (D) is (where τ = Maximum allowable shear stress)
87270. When a rectangular beam is loaded transversely, the maximum compressive stress is developed on the
87271. The point of contraflexure is a point where
87272. The simply supported beam 'A' of length l carries a central point load W. Another beam 'B' is loaded with a uniformly distributed load such that the total load on the beam is W. The ratio of maximum deflections between beams A and B is
87273. The maximum stress produced in a bar of tapering section is at
87274. The energy stored in a body when strained within elastic limit is known as
87275. In compression test, the fracture in cast iron specimen would occur along
87276. The bending stress in a beam is __________ section modulus.
87277. When shear force at a point is zero, then bending moment is __________ at that point.
87278. The maximum bending moment for the beam shown in the below figure, lies at a distance of __________ from the end B.
87279. When a bar is cooled to - 5°C, it will develop
87280. The limit of eccentricity is based upon no tension condition.
87281. In order to know whether a column is long or short, we must know its slenderness ratio.
87282. A composite shaft consisting of two stepped portions having spring constants k1 and k2 is held between two rigid supports at the ends. Its equivalent spring constant is
87283. Resilience is the
87284. If the depth is kept constant for a beam of uniform strength, then its width will vary in proportional to (where M = Bending moment)
87285. A concentrated load is one which
87286. If the tearing efficiency of a riveted joint is 50%, then ratio of rivet hole diameter to the pitch of rivets is
87287. The rectangular beam 'A' has length l, width b and depth d. Another beam 'B' has the same length and depth but width is double that of 'A'. The elastic strength of beam 'B' will be __________ as compared to beam A.
87288. In a simple bending of beams, the stress in the beam varies
87289. A beam supported at its both ends is not a simply supported beam.
87290. The stress at which the extension of the material takes place more quickly as compared to the increase in load, is called
87291. The strain energy stored in a solid circular shaft subjected to shear stress (τ) is (where C = Modulus of rigidity for the shaft material)
87292. When two main plates are kept in alignment butting each other and riveted with cover plate on both sides of the main plates with two rows of rivets in each main plate, the joint is known as __________ double cover butt joint.
87293. Whenever a material is loaded within elastic limit, stress is __________ strain.
87294. A load which is spread over a beam in such a manner that it varies uniformly over the whole length of abeam is called uniformly __________ load.
87295. Compression members always tend to buckle in the direction of the
87296. The maximum tangential stress in a thick cylindrical shell is always __________ the internal pressure acting on the shell.
87297. A thin spherical shell of diameter (d) and thickness (t) is subjected to an internal pressure (p). The stress in the shell material is
87298. Rivets are generally specified by
87299. Principle plane is a plane on which the shear stress is
87300. The bending moment in the centre of a simply supported beam carrying a uniformly distributed load of w per unit length is
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