Description : 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
Last Answer : (ii) Lap joint
Description : Out of the followings, which welded joint is more stronger (i) Butt joint (ii) Lap joint (iii)Screwed joint
Last Answer : (i) Butt joint
Description : Why are butt welded joints longitudinal joints ? i. High strength requirements ii. Low strength requirements iii. Low as well as high strength requirements iv. None
Last Answer : i. High strength requirements
Description : The name of the welded joint made by placing the plates edge to edge is (i) Fillet welded joint (ii) Butt welded joint (iii) Fillet-Butt welded joint (iv) None
Last Answer : (ii) Butt welded joint
Description : By overlapping the plates, which type of welded joint is made (i) Fillet welded joint (ii) Butt welded joint (iii) Fillet-Butt welded joint (iv) None
Last Answer : (i) Fillet welded joint
Description : Circumferential welded joint fails by i. Longitudinal stress ii. Radial stress iii. Hoop stress iv. None
Last Answer : i. Longitudinal stress
Description : The advantage of a welded joint over a riveted joint is (i) Introduce residual stresses (ii) Requires highly skilled labor and supervision (iii) Lighter in weight (iv) None
Last Answer : (iii) Lighter in weight
Description : Internal defects in a welded joint can be found by a process called (i) Tension test (ii) Visual inspection (iii) Radio graphing (iv) None
Last Answer : (iii) Radio graphing
Description : One which is applicable to a welded joint (i)Less rigidity (ii) Heavy (iii) Difficult process (iv) None
Last Answer : (iv) None
Description : Type of welded joint which do not exit (i) Groove type (ii) Spot type (iii)Plug type (iv) Surface type
Last Answer : (iv) Surface type
Description : Double full fillet welded joint cannot be used for a plate thickness greater than i. 1/8” ii. 3/8” iii. 5/8” iv. None
Last Answer : iii. 5/8”
Description : Single full fillet welded joint cannot be used for a plate thickness greater than i. 1/8” ii. 2/8” iii. 3/8” iv. None
Last Answer : iii. 3/8”
Description : Welded joint strength increases due to annealing by i. 6% ii. 10% iii. 14% iv. None
Last Answer : i. 6%
Description : Strength of a welded joint increases by radio graphing by i. 10 % ii. 12% iii. 15% iv. None
Last Answer : ii. 12%
Description : Joint which does not fall under lap joint category (i)Transverse fillet (ii) Parallel fillet (iii) Circular fillet (iv) None
Description : Lap welded joints used in circumferential joints because of ? i. High strength requirements ii. Low strength requirements iii. Low as well as high strength requirements
Last Answer : ii. Low strength requirements
Description : The angle of V-welded joint in a pressure vessel 30 to 45 0 40 to 55 0 55 to 70 0 None
Last Answer : 55 to 70 0
Description : The size of the weld in butt welded joint is equal to (a) 0.5 × Throat of weld (b) Throat of weld (c) 2 × Throat of weld (d) 2 × Throat of weld
Last Answer : (b) Throat of weld
Description : As per the Indian boiler regulation (IBR), the type of joint preferred for the circumferential joint is the __________ joint. (A) Butt (B) Lap (C) Welded (D) None of these
Last Answer : (B) Lap
Description : Longitudinal welded joint fails by Longitudinal stress Radial stress Hoop stress None
Last Answer : Hoop stress
Description : Pick out the wrong statement. (A) For a pressure vessel to be classified as 'thin vessel', the ratio of wall thickness to mean radius is less than 0.1 (B) For calculating forces and ... Maximum diameter of the opening provided in a pressure vessel, which does not require any compensation is 200 mm
Last Answer : Option B
Description : Term which is not applicable to a welded joint (i) Higher efficiency (ii)Easy process (iii) Faster process
Last Answer : (ii)Easy process
Description : Area under tension in a single transverse fillet lap weld is (i)0.707 tl (ii) 0.807 tl (iii) 400 tl (iv)None
Last Answer : (i)0.707 tl
Description : Lap welded joints are a. Rectangular b. Square c. Triangular d. None
Last Answer : c. Triangular
Description : Pick out the wrong statement. (A) Longer tubes are less expensive per unit heat transfer area as compared to shorter tubes (B) A cost index is merely a number for a given year ... butt welded joints are less expensive compared to lap welded joints, because squaring of plates is not necessary
Last Answer : (D) Plates with butt welded joints are less expensive compared to lap welded joints, because squaring of plates is not necessary
Description : Butt welds are under (i) Shear stress (ii) Compressive stress (iii) Tensile stress
Last Answer : (iii) Tensile stress
Description : Welded joints are a. Hinged joint b. Rigid joint c. Freely supported joint
Last Answer : b. Rigid joint
Description : Welded structures with respect to riveted joint is a. Weakened in tension b. Strengthened in tension c. No change in tension strength d. None
Last Answer : c. No change in tension strength
Description : The strength of a welded joint with respect to a riveted joint is a. Greater b. Smaller c. Equal d. None
Last Answer : a. Greater
Description : Efficiency of a welded joint with respect to a riveted joint is a. Smaller b. Equal c. Greater
Last Answer : c. Greater
Description : The following bracket is welded to the vertical column. The joint undergoes torsional stresses. a) True b) False
Last Answer : b) False
Description : The parallel fillet welded joint is designed for (a) tensile strength (b) compressive strength (c) bending strength (d) shear strength
Last Answer : (d) shear strength
Description : In transverse fillet welded joint, the size of weld is equal to (a) 0.5 × Throat of weld (b) Throat of weld (c) 2 × Throat of weld (d) 2 × Throat of weld
Last Answer : (c) 2 × Throat of weld
Description : A backing ring is used inside the pipe joint when making a (a) butt weld (b) fillet weld (c) sleeve weld (d) socket weld (e) tube weld.
Last Answer : (a) butt weld
Description : 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
Last Answer : c. Longitudinal as well as circumferential joint
Description : When two plates butt together and are riveted with two cover plates with two rows of rivets, the joint is known as (A) Lap joint (B) Butt joint (C) Single riveted single cover butt joint (D) Double riveted double cover butt joint
Last Answer : (D) Double riveted double cover butt joint
Description : Which of the following is preferred for riveting? (A) Lap joint (B) Butt joint (C) Either (A) or (B) (D) Neither (A) nor (B)
Last Answer : (B) Butt joint
Description : Parallel fillet welds are under (i) Shear stress (ii)Compressive stress (iii)Tensile stress (iv)None
Last Answer : (i) Shear stress
Description : Transverse fillet welds are under (i) Bending and shear stresses (ii)Compressive and torsion shear stresses (iii)Tensile and compressive stresses (iv)None
Last Answer : (iv)None
Description : Projection welding is (i) Electric arc welding (ii) Gas welding (iii)Spot welding (iv) None
Description : Quantity is not a part of the weld symbol (i)Dark circle (ii) Open circle (iii) Angle of weld (iv)Starting and stopping allowance for welding
Last Answer : (iv)Starting and stopping allowance for welding
Description : Term which is not a part of the weld symbol (i) Tail (ii) Arrow (iii) Temperature of welding (iv) None
Last Answer : (iii) Temperature of welding
Description : Quantity which is not a part of the weld symbol (i)Length of welding (ii) Weld is made in the welding shop (iii) Welding is on both sides (iv) Machine used in welding
Last Answer : (iv) Machine used in welding
Description : Different parts of a weld symbol are (i) Arrow, center line and back part (ii) Arrow, body line and length (iii) Arrow, body line and tail (iv)None
Last Answer : (iii) Arrow, body line and tail
Description : A weld symbol is necessary because of (i) Aesthetic sense (ii) Finishing (iii) Manufacturing (iv) None
Last Answer : (iii) Manufacturing
Description : In which case, molten metal is used to do welding? (i) Groove type (ii) spot type (iii) Plug type (iv) None
Last Answer : (iii) Plug type
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 : Painting of weld is done up to (i) 10 CM minimum both side of weld & on welded surface .* (ii) 15 CM minimum both side of weld & on welded surface (iii) 20 CM minimum both side of weld & on welded surface (iv) None of the above
Last Answer : (i) 10 CM minimum both side of weld & on welded surface .*
Description : If code of a fracture is OFW-422 then it means. (i) AT welding with transverse crack. (ii) Flash butt welding with transverse crack. (iii) At welding with horizontal crack.* (iv) None of the above.
Last Answer : (iii) At welding with horizontal crack.*
Description : Where Portion sample tests(test piece) should be conducted? (i) At desire by RDSO (ii) At Zonal CMT’s organisation or the Flash Butt Welding plant. * (iii) In RDSO campus (iv) As decided by in charge of the plant
Last Answer : At Zonal CMT’s organisation or the Flash Butt Welding plant.