centre to centre spacing of pile should not be more than __where d is  the dia of pile shaft

1 Answer

Answer :

4d

Related questions

Description : The centre to centre spacing formation width for double line section is (a) 4725 mm (b) 5025 (c) 5330* (d) 5500

Last Answer : c) 5330*

Description : Centre to Centre spacing of formation for double railway line for Broad Gauge is a) 1676 mm b) 4725 mm c) 4265mm d) 5300 mm*

Last Answer : d) 5300 mm*

Description : For high level flush the nominal dia of flush pipe shall be (a) 32 mm* (b) 40 mm (c) 25 mm (d) None of these

Last Answer : a) 32 mm*

Description : What is the dia of thimble ? (i) 14-16 mm (ii) 16-18 mm* (iii) 18-20 mm (iv) None of the above

Last Answer : (ii) 16-18 mm*

Description : The diameter of hole for 20 dia rivet shall be a) 23 mm b) 18 mm c) 21.5 mm* d) 22 mm

Last Answer : c) 21.5 mm*

Description : The length of the countersunk head rivet shank is, when L = length of the rivet, G = length of grip in mm; D = Dia of rivet in mm a) L =G +0.5 D + 1mm for every 4 mm of grip or part thereof * b) b) L =G +0.5 D + 1mm c) L =G +0.5 D d) None of the above

Last Answer : a) L =G +0.5 D + 1mm for every 4 mm of grip or part thereof *

Description : he length of the snap head rivet shank is, when L = length of the rivet, G = length of grip in mm; D = Dia of rivet in mm a) L =G +1.5 D + 1mm for every 4 mm of grip or part thereof * b) b) L =G +0.5 D + 1mm c) L =G +0.5 D d) None of the above

Last Answer : a) L =G +1.5 D + 1mm for every 4 mm of grip or part thereof *

Description : A temporary enclosure in a river or Lake built around a working area for the purpose of excluding water during construction is known a) Caisson b) Augur c) Cofferdam * d) Sheet pile wall

Last Answer : c) Cofferdam *

Description : In a routine pile load test the test load is -- a) 1.25 times the design load b) 1.5 times the design load* c) 1.75 times the design load d) 2 times the design load

Last Answer : b) 1.5 times the design load*

Description : Bentonite is used in pile driving -- a) to facilitate pile driving b) to enable proper pile concreting c) to stabilize the bore hole walls* d) None of the above

Last Answer : c) to stabilize the bore hole walls*

Description : One of the following is a shallow foundation a) Pile foundation b) Raft foundation* c) Under reamed pile foundation d) Well foundation

Last Answer : b) Raft foundation*

Description : Spacing of Trolley refuges a) Every 100m b) If span is more than 100m, on each pier c) Ballasted deck bridges – every 50m d) All the above*

Last Answer : d) All the above*

Description : The spacing of tube wells should generally be more than ----------from the circle of influence a)10 metre b)50 metre c)100 metre* d) 500 metre

Last Answer : c)100 metre*

Description : Tray spacing in a distillation column of dia 10-12 ft. used in petroleum refinery may be around __________ inches. (A) 5 (B) 30 (C) 60 (D) 100

Last Answer : (B) 30

Description : In cement pressure grouting holes should be drilled at spacing in both direction at a) 150 – 500 mm b) 450 mm c) 500 – 750 mm* d) 1000 mm

Last Answer : c) 500 – 750 mm*

Description : For end bearing piles, the minimum spacing of piles of diameter ‘d’ shall be a) 3d b) 2d c) 2.5d* d) 5d

Last Answer : c) 2.5d*

Description : Rails used for A T Welding shall not normally be welded? (i) 20 years old . (ii) 30 years old (iii) 40 years old (iv) 50 years old*

Last Answer : iv) 50 years old*

Description : What is the validity after supervisors course (TW-3)? (i) Normally, supervisors shall not be required to undergo the course again. However, they may be sent for course on performance basis.* (ii) 2 years (iii) 5 Years (iv) 10 Years

Last Answer : (i) Normally, supervisors shall not be required to undergo the course again. However, they may be sent for course on performance basis.*

Description : The Frog of a brick is normally made on its a) Top face* b) Bottom face c) Longer face d) Shorter side

Last Answer : a) Top face*

Description : Callendar Hamilton spans are normally available maximum up to a) 60 ft. b) 100 ft. c) 150 ft. d) 200 ft.*

Last Answer : d) 200 ft.*

Description : Check rails should normally be provided where the radius is …. M or less in B.G. (a) 150m (b) 200m (c) 218m* (d) 240m

Last Answer : (c) 218m*

Description : Check rails should normally be provided where the radius is ……. M or less in B.G. (a) 150m (b) 200m (c) 208m* (d) 225m

Last Answer : (c) 208m*

Description : Maximum distance covered in a day by a Patrolman should not normally exceed q. 2 km. r. 5 km. s. 10 km. t. 20 km .*

Last Answer : t. 20 km

Description : The pile provided with one or more bulles in its vertical shaft, is generally known as (A) Under-ream pile (B) Friction pile (C) Bearing pile (D) Sheet pile

Last Answer : Option A

Description : 1. Which of the statements with regard to formation is correct (1) One of the Functions of the formation is to facilitate drainage (2) Width of bank for double railway line is 12.155 meters (3) Width of cutting for double railway track is 11. ... a) 2, 3, 5 b) 3, 4, 5* c) 2, 3, 4 d) 2, 4, 5

Last Answer : b) 3, 4, 5*

Description : While doing final location survey, the centre line is fully marked with pegs at --- metre distance (a) 10m (b) 20m* (c) 30m (d) 50m

Last Answer : (b) 20m*

Description : Marking on weld should be done (i) On centre of the rail head (ii) 10 mm below the top surface of rail head.* (iii) 10 mm above the bottom surface of rail head. (iv) None of the above

Last Answer : ii) 10 mm below the top surface of rail head.*

Description : Finished tolerance on 10 cm long st. edge at the centre on gauge side shall be? (i) ± 0.4 mm (ii) ± 0.1 mm (iii) ± 0.2 mm (iv) ± 0.3 mm*

Last Answer : iv) ± 0.3 mm*

Description : Finished tolerance on 1 Mt. st. edge at the centre on gauge side shall be? (i) ± 0.2 mm (ii) ± 0.3 mm (iii) ± 0.5 mm* (iv) ± 1.0 mm

Last Answer : (iii) ± 0.5 mm*

Description : Stop boards on either side of approaches of all unmanned level crossings shall be provided at -------------from the centre line of nearest track. a) 3meters b) 5 meters* c) 6 meters d) 10 meters

Last Answer : b) 5 meters*

Description : Minimum distance of duty hut from centre line of nearest track on BG is a) 2 meters b) 3 meters c) 4 meters d) 6 meters*

Last Answer : d) 6 meters*

Description : Minimum distance of gate post from centre line of nearest track on BG is a) 2 meters b) 3 meters* c) 4 meters d) 5 meters

Last Answer : b) 3 meters*

Description : On an unmanned level crossing stop board should be provided at a distance of --------- from the centre of nearest track a) 5 meters * b) 6 meters c) 3 meters d) 7.5 meters

Last Answer : a) 5 meters

Description : The minimum horizontal distances form centre of track to face of passenger platform coping for B.G. is ……. Mm (A) 1650 MM. (B) 1670 MM* (C)1676 MM (D) 1685 MM

Last Answer : (B) 1670 MM*

Description : The minimum centre to centre distance of a B.G. track in mid-section is ……….. mm (a) 4200 (b) 4265* (C) 4350 (d) 4000

Last Answer : (b) 4265*

Description : UCC is abbreviated for (a) Uncontrolled cement concrete (b) Unified Control Command (c) Unified Command Centre* (d) none of them

Last Answer : (c) Unified Command Centre*

Description : What is the minimum distance centre to centre of straight tracks for new works/alterations to existing works. a. 4265 mm. b.3660 mm. c.5300 mm.* d 4365 mm.

Last Answer : c.5300 mm.*

Description : A pile of length carrying a uniformly distributed load per metre length is suspended at the centre and from other two points 0.15 L from either end ; the maximum hogging moment will be (A) WL²/15 (B) WL²/30 (C) WL²/60 (D) WL²/90

Last Answer : Answer: Option D

Description : To ensure that the hogging bending moment at two points of suspension of a pile of length L equals the sagging moment at its centre, the distances of the points of suspension from either end, is (A) 0.107 L (B) 0.207 L (C) 0.307 L (D) 0.407 L

Last Answer : Answer: Option B

Description : A pile of length carrying a uniformly distributed load per metre length is suspended at two points, the maximum, B.M. at the centre of the pile or at the points of suspension, is (A) WL/8 (B) WL²/24 (C) WL²/47 (D) WL²/16

Last Answer : Answer: Option C

Description : Spacing of stirrups in a rectangular beam, is (A) Kept constant throughout the length (B) Decreased towards the centre of the beam (C) Increased at the ends (D) Increased at the centre of the beam

Last Answer : Answer: Option D

Description : The centre to centre spacing of vertical stirrups, in a rectangular beam, is (a) Increased towards the centre of the span of the beam (b) Decreased towards the centre of the span of the beam. (c) Increased at the ends. (d) None of these

Last Answer : (a) Increased towards the centre of the span of the beam

Description : Height of liquid in agitation tank is normally maintained equal to the tank diameter. However, if the tank is too tall and a large liquid hold up is desired, then two or more impellers mounted on the same shaft may be used. The ... where, D = impeller diameter) (A) 0.5 D (B) D (C) 1.5 D (D) 2 D

Last Answer : (B) D

Description : If the static deflection is 1.665×10 -3 m, calculate the critical speed of the shaft in rps. Centre of disc at 0.25m away from centre of axis of shaft. A. 8.64 B. 9.64 C. 10.64 D. 12.2

Last Answer : D. 12.2

Description : If the particle of a body vibrate along a circular arc, whose centre lies on the axis of the shaft then the body is said to have A) Transverse vibration B) Longitudinal vibration C) Torsional vibration D) None of the above

Last Answer : C) Torsional vibration

Description : In a shaft rotated by a couple, the shear force varies (A) From zero at the centre to a maximum at the circumference (B) From minimum at the centre of maximum at the circumference (C) From maximum at the centre to zero at the circumference (D) Equally throughout the section

Last Answer : (A) From zero at the centre to a maximum at the circumference

Description : The shear stress at any section of a shaft is maximum  (A) At the centre of the section  (B) At a distance r/2 from the centre  (C) At the top of the surface  (D) At a distance 3/4 r from the centre 

Last Answer : (C) At the top of the surface 

Description : For a solid or a hollow shaft subject to a twisting moment T, the torsional shearing stress t at a distance r from the centre will be (a) t = Tr/J (b) t = Tr (c) t = TJ/r (d) none of these

Last Answer : (a) t = Tr/J

Description : Stress in the cross section of a shaft at the centre ________ a. is zero b. decreases linearly to the maximum value of at outer surface c. both a. and b. d. none of the above

Last Answer : a. is zero

Description : The shear stress varies from centre to the surface of the shaft with (a) Uniform rate (b) Varying rate (c) Remains same (d) None of these

Last Answer : (a) Uniform rate