30301. A circular sewer of diameter 1 m carries storm water to a depth of 0.75 m. The hydraulic radius is approximately
30302. If the staff intercept on a staff located at 100 m from the level for five division deviation of the bubble is 0.050 m and if the length of one division of the bubble is 2 mm, then the radius of curvature of the bubble is 0.050 m and if the length of one division of the bubble is 2 mm, then the radius of curvature of the bubble tube is
30303. If the magnitude of the resultant of two forces F and 2F acting at a point O is 50 N, and the included angle between F and 2F is 90°, then what is the magnitude of F ?
30304. Consider the following assumptions in the analysis of a plane truss
1. The individual members are straight.
2. The individual members are connected by frictionless hinges.
3. The loads and reactions act only at the joints.
Of these assumptions :
30305. In a shear test on cohesionless soils, if the initial void ratio is less than the critical void ratio, the sample will :
30306. Active earth pressure per metre length on the retaining wall with a smooth vertical back as shown in the given figure will be
30307. Which of the following rules are used in choosing the repeating variables in dimensional analysis :
1. Repeating variables should include the dependent variables
2. Repeating variables should contain all primary units used in describing the variables in the problem
3. Repeating variables should combine among themselves.
4. Repeating variables should not contain the dependent variables.
Select the correct answer using the codes given below :
30308. The proportion of second moment of area about the centroidal axis to second moment of area about the base of a rectangle will be
30309. Mean precipitation over an area is best obtained from gauged amounts by
30310. Loses deposits are formed by
30311. If the time required for 60% consolidation of a remoulded soil sample of clay with single drainage is t, then what is the time required to consolidate the same sample of clay with the same degree of consolidation but with double drainage ?
30312. Biochemical catalysts are?
30313. The principle of virtual work states that the virtual work is zero for
30314. A uniform beam of span l carries a uniformly distributed load W per unit length as shown in the figure. The supports are at a distance of x from either end. What is the condition for the maximum bending moment in the beam to be as small as possible?
30315. Which is the National Game of China?
30316. The stable plant dye is?
30317. A circle of radius 7 m has a standard error of 0.02 m on the radius. The standard error of its area is
30318. Geethu purchased 12 pencils and 8 pens for Rs.124. Neethu purchased 5 pencils and 10 pens for Rs.105, from the same trader, at the same rate. What is the price of one pencil?
30319. When was Buddhism founded?
30320. Consider the following properties :
1. The sum of the three sides is always greater than the circumference of the great circle.
2. The sum of the three angles is less than six right angles and greater than two right angles.
3. The sum of the sides is greawter than the third side.
4. The smaller angle is opposite the smaller side and vice versa.
The propoerties of spherical triangles would include
30321. On which one of the following factors, does strength of concrete depend primarily ?
30322. When a load crosses a through type Pratt truss in the direction left to right, the nature of force in any diagonal member in the left half of the span would :
30323. The double-line field book is most commonly used for recording
30324. The wood preservative "Creosote" is derived from
30325. To determine the length of a bridge proposed to be built across a wide river, the surveying method of choice would be
30326. Which one of the following statements is correct ?
Maximum service volume of a road is defined as the total number of vehicles that
30327. The pressure gradient in the direction of flow is equal to the :
30328. When the strain in a material increases with time under sustained constant stress, the phenomenon is known as
30329. An upward hydraulic gradient i of a certain magnitude will initiate the phenomenon of boiling in granular soils. The magnitude of this gradient is
30330. Well-graded dense saturated sands have high shear strength because :
30331. Consider the following statements :
A critical activity in a CPM network has
1. The longest duration of all activities
2. zero total float
3. zero for float
4. The shortest duration of all activities
which one of the statements given above are correct ?
30332. Which one of the following is the correct statement ? A heterotroph is an organism that obtains
30333. Which one of the following sections performs better on the ductility criterion ?
30334. Westergaard's formula for vertical stress gives greater value of stress than that by the Boussinesq's formula, when r/z exceeds :
30335. A round steel bar of overall length 40 cm consists of two equal portions of 29 cm each having diameters of 10 cm and 8 cm respectively. If the rod is subjected to a tensile load of 10 tones, the elongation will be given by :(E = 2 x 106 kg/cm2)
30336. In the cantilever beam shown in the figure, what is the percentage of bending moment at l/2 with respect to the maximum bending moment at the fixed support ?
30337. Which one of the following is the correct statement ? The strength of timber :
30338. A and B are two traverse stations free from local attraction errors. If the true bearing of a line AB is 89°, and the magnetic declination at point A is 1° West, then the magnetic bearing of the line BA would be
30339. For a fully saturated clay Skempton's pore pressure parameter B is
30340. What is the correct sequence of the following metals in the decreasing order of their Poission's ratio ?
(a) Aluminium
(b) Cast iron
(c) Steel
Select the correct answer using the code given below :
30341. A symmetrical channel section is made of a material which is equally strong in tension and compression. It is used as a simply supported beam with its web horizontal to carry vertical loads. It will
30342. A machine costing Rs. 8, 500 will have a scrap value of Rs. 300. Machines of this class have a working hour average life of 25, 000 hours. What will be the depreciation charge at the end of the first year, if the machine is operated for a total of 1500 hours ? (use straight line method of depreciation)
30343. The limits of percentage p of the longitudinal reinforcement in a column is
30344. Figure shows the forces acting on a body. Each square is 3 cm x 3 cm. If F1 = 30 N, F2 = 15 N, F3 = 25 N and F4 = 20 N, the resultant force and the moment about point O, respectively, are
30345. Skin helps us to:?
30346. In the truss shown in the given figure which one of the following members has no force induced in it ?
30347. Consider the following statements :
A : An isotropic material is always homogeneous.
R : An isotropic material is one in which all the properties are the same in all the directions
at every point.
Of these statements :
30348. The ratio of pressures between two points A and B located respectively at depths 0.5 m, and 2 m below a constant level of water in a tank is
30349. The acceleration of a particle starting from rest varies with time according to the relation a = - sω2 sin ωt
What is the displacement of this particle at a time t ?
30350. For which one of the following purposes is the double mass curve used ?