The ratio of circumferential stress to the longitudinal stress in the walls of a cylindrical shell, due to flowing liquid, is (A) ½ (B) 1 (C) 1½ (D) 2

The ratio of circumferential stress to the longitudinal stress in the walls of a cylindrical shell, due 

to flowing liquid, is 

(A) ½ 

(B) 1 

(C) 1½ 

(D) 2 

by

1 Answer

Answer :

(D) 2 

by

Related questions

The stress in the wall of a cylinder in a direction normal to its longitudinal axis, due to a force acting along the circumference, is known as (A) Yield stress(B) Longitudinal stress (C) Hoop stress (D) Circumferential stress

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A thin cylindrical under internal pressure can fail along the a. Longitudinal joint b. Circumferential joint c. Longitudinal as well as circumferential joint d. None

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For the construction of R.C.C. slabs, columns, beams, walls, etc. the grade of concrete mix used, is (A) 1 : 3 : 6 (B) 1 : 1½ : 3 (C) 1 : 2 : 4 (D) 1 : 1 : 2

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The ratio of the tensile stress developed in the wall of a boiler in the circumferential direction to the tensile stress in the axial direction, is (A) 4 (B) 3 (C) 2 (D) 1

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Which welded joint used in the circumferential joint of a cylindrical pressure vessel is (i) Butt joint (ii) Lap joint (iii)Screwed joint (iv) None

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When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as (A) Steady flow (B) Turbulent flow (C) Vortex flow

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When a liquid is flowing through a pipe, the velocity of the liquid is (A) Maximum at the centre and minimum near the walls (B) Minimum at the centre and maximum near the walls (C) Zero at the centre and maximum near the walls (D) Maximum at the centre and zero near the walls

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There are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio of (A) 1 : 1½ : 2 (B) 2 : 1½ : 1 (C) 1 : 1 : 2(D) None of these

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If the natural moisture content, the liquid limit and plastic limit of a soil sample are stated as 30.5%, 42.5% and 22.5% respectively, the ratio of liquidity index and plastic index, is (A) (B) ½ (C) 2 (D) 2½

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In a thick cylindrical shell subjected to an internal pressure (p), the radial stress across the thickness of a cylinder is a) maximum at the outer surface and minimum at the inner surface b) maximum at the inner surface and minimum at the outer surface c) maximum at the inner surface and zero at the outer surface d) maximum at the outer surface and zero at the inner surface

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Design of a thin shell under pressure is done on the basis of a. Radial stress b. Longitudinal stress c. Hoop stress d. All the three stresses

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Which stress is the least in a thin shell a. Longitudinal stress b. Hoop stress c. Radial stress d. None

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Due to circumferential action of the spiral in a spirally reinforced column (A) Capacity of column is decreased (B) Ductility of column reduces (C) Capacity of column is decreased but ductility of column increases (D) Both the capacity of column and ductility of column increase

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Keeping the instrument height as 1½ m, length of staff 4 m, the up gradient of the ground 1 in 10, the sight on the up slope must be less than (A) 25 cm (B) 20 m (C) 45 m (D) 10 m

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For the construction of the retaining structures, the type of concrete mix to be used, is (A) 1 : 3 : 6 (B) 1 : 2 : 4 (C) 1 : 1½ : 3 (D) 1 : 4 : 8

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A pressure conduit laid underground, may not be subjected to (A) Internal pressure of water (B) Pressure due to external load (C) Longitudinal temperature stress (D) Longitudinal stresses due to unbalanced pressure to bends

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19. The water hammer in pipes occurs due to sudden change in the velocity of flowing liquid A) Agree B) Disagree

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The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v w = Specific weight of the flowing liquid) (A) 4 (B) 8 (C) 16 (D) 32

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Welded joint used in the longitudinal joint of a cylindrical pressure vessel is (i) Butt joint (ii) Lap joint (iii)Screwed joint (iv) None

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If W is the load on a circular slab of radius R, the maximum circumferential moment at the centre of the slab, is (A) WR²/16 (B) 2WR²/16 (C) 3WR²/16 (D) Zero

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The distance travelled by revolving the wheel of a vehicle more than its circumferential movement, is known as (A) Slip (B) Skid (C) Neither (a) nor (b) (D) Both (a) and (b)

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The ratio of average values of shear stresses produced on the bed and the banks of a channel due to flowing water is (A) Less than 1 (B) Equal to 1 (C) Greater than 1 (D) Equal to zero

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A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m² when it was laterally unconfmed. The failure plane was inclined to the horizontal plane at an angle of 45°. The values of cohesion and angle of internal friction for the soil are respectively (A) 0.5 N/mm² and 30° (B) 0.05 N/mm² and 0° (C) 0.2 N/mm² and 0° (D) 0.05 N/mm² and 45°

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When a thin cylindrical shell is subjected to an internal pressure, there will be a) a decrease in diameter and length of the shell b) an increase in diameter and length of the shell c) an increase in diameter and decrease in length of the shell d) a decrease in diameter and increase in length of the shell

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The intensity of direct longitudinal stress in the cross-section at any point distant r from the neutral axis, is proportional to (A) r (B) 1/r (C) r2 (D) 1/r²

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A beam is said to be of uniform strength, if (A) B.M. is same throughout the beam (B) Shear stress is same throughout the beam (C) Deflection is same throughout the beam (D) Bending stress is same at every section along its longitudinal axis

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If the tendon is placed at an eccentricity e below the centroidal axis of the longitudinal axis of a rectangular beam (sectional modulus Z and stressed load P in tendon) the stress at the extreme top edge (A) Is increased by PZ/e (B) Is increased by Pe/Z (C) Is decreased by Pe/Z (D) Remains unchanged

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If is the sectional area of a pre-stressed rectangular beam provided with a tendon pre-stressed by a force through its centroidal longitudinal axis, the compressive stress in concrete, is (A) P/A (B) A/P (C) P/2A (D) 2A/P

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If At is the area of steel cross-section, t is working stress, L is width of road and W is weight of slab per square metre, the spacing of the tie bars for a longitudinal joint, is (A) (100 At × t)/WL (B) 100 At/tWL (C) (100 WAt × t)/tL (D) 100 WL/At t

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If the width of a pavement slab is 7.5 m, thickness 20 cm and working stress 1400 kg/cm2 , spacing of 10 mm tie bars for the longitudinal joint, is (A) 10 cm (B) 20 cm (C) 30 cm (D) 40 cm

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