Description : A bracket is shown welded to a vertical column by means of two fillet welds. The bending stress induced in the welds can be given by a) My/I b) 2My/I c) My/2I d) None of the listed
Last Answer : a) My/I
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 : The helical spring ad wire of helical torsion spring, both are subjected to torsional shear stresses. a) True b) False
Last Answer : b) False
Description : If a circular shaft is welded to the plate by means of circumferential fillet, then the shaft is subjected to torsional moment M. If throat of weld is t, then torsional shear stress is given by a) M/2πtr2 b) M/πtr2 c) M/4πtr2 d) None of the listed
Last Answer : a) M/2πtr2
Description : Torsional shear stresses are induced in the spring wire when (A) spring is under compression (B) spring is under tension (C) both (A) and (B) (D) none of the above
Last Answer : (C) both (A) and (B)
Description : Which of the following stresses can be determined using Mohr's circle method? a. Torsional stress b. Bending stress c. Principal stress d. All of the above
Last Answer : c. Principal stress
Description : Which of the following statements are true about eccentrically loaded circular base? a) All bolts are symmetrically spaced with equal angle on either side of vertical b) Bolts are not preloaded c) Bearing is rigid d) Dowel pins are used to relieve stresses
Last Answer : a) All bolts are symmetrically spaced with equal angle on either side of vertical
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 : 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 : 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 : Welded joint used in the longitudinal joint of a cylindrical pressure vessel is (i) Butt joint (ii) Lap joint (iii)Screwed joint (iv) None
Last Answer : (i) Butt joint
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 : 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 : Term which is not applicable to a welded joint (i) Higher efficiency (ii)Easy process (iii) Faster process
Last Answer : (ii)Easy process
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 : Out of the followings, which welded joint is more stronger (i) Butt joint (ii) Lap joint (iii)Screwed joint
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 : Circumferential welded joint fails by i. Longitudinal stress ii. Radial stress iii. Hoop stress iv. None
Last Answer : i. Longitudinal stress
Description : Longitudinal welded joint fails by Longitudinal stress Radial stress Hoop stress None
Last Answer : Hoop stress
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 : 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 : 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 : The capacity of welded structures to damp vibrations is quite good. a) True b) False
Description : The hub is treated as a solid shaft while calculating torsional shear stress in the hub. a) True b) False
Description : Cotter joint is employed when the members are subjected to which sort of stresses? a) Axial tensile b) Axial compressive c) Axial tensile or compressive d) None of the above
Last Answer : c) Axial tensile or compressive
Description : Cotter joint is used when the members are subjected to which type of stresses? a) Axial tensile b) Axial compressive c) Axial tensile or compressive d) None of the mentioned
Description : Stress concentration is defined as the localization of high stresses due to irregularities present in the component and no changes of the cross section. a) True b) False
Description : Cotter joint is used in bicycle to join pedal with sprocket wheels. A. True B. False
Last Answer : A. True
Description : Cotter joint is a permanent fastening. a) true b) false
Last Answer : b) false
Description : Cotter joint is going to be use to connect the two rods for torque transmission purpose. a) True b) False
Description : Cotter joint is connected to parallel roads . A. True B. False
Last Answer : B. False
Description : Cotter joint can be used to connect two rods for torque transmission purpose. true /false. a) True b) False
Description : The real application of knuckle joint is used to connect three rods - two with forks and a third with the eye. A. True B. False
Description : The knuckle joint is used two joint between the tie bars in roof trusses. A. True B. False
Description : Knuckle Joint is used to connect the two rods whose axes are coincide or intersect and lies in the same plane. A. True B. False
Description : A knuckle joint is also called socket pin joint. a) True b) False
Description : A knuckle joint is unsuitable for two rotating shafts, which transmit torque a) True b) False
Last Answer : a) True
Description : Cotter joint can be used to connect two rods for torque transmission purpose. a) True b) False
Description : Can the cotter joint be used to connect slide spindle and fork of valve mechanism? a) True b) False
Description : The principle of wedge action is used in cotter joint. a) True b) False