Description : Forge welding involves heating of parts to elastic stage and joint is prepared by impact force. a) Yes b) No, it is done up to plastic stage c) Heating is done up to boiling point d) None of the listed
Last Answer : b) No, it is done up to plastic stage
Description : All welding processes require pressure along with heat. a) Yes b) No, fusion doesn’t require c) Can’t be stated d) None of the listed
Last Answer : b) No, fusion doesn’t require
Description : Which type of welding is generally used in automobile sector? a) Electric arc welding b) Electric resistance welding c) Gas welding d) Forge welding
Last Answer : b) Electric resistance welding
Description : In electrical resistance welding, distortion results from the use of improper (A) Clamping methods (B) Electrodes (C) Current (D) Filler material
Last Answer : (A) Clamping methods
Description : Pitch of coil is defined as axial distance in compressed state of the coil. a) Yes b) It is measured in uncompressed state c) It is same in uncompressed or compressed state d) None of the listed
Last Answer : b) It is measured in uncompressed state
Description : The longest leaf in a leaf spring is called centre leaf. a) It is called middle leaf b) It is called master leaf c) Yes d) None of the listed
Last Answer : b) It is called master leaf
Description : The helix angle is very small about 20. The spring is open coiled spring. a) Yes b) It is closed coiled spring c) That small angle isn’t possible d) None of the listed
Last Answer : b) It is closed coiled spring
Description : Deep groove ball bearings create a lot of noise. (a) Yes (b) Depends on the application (c) They create very less noise (d) No reference frame for comparison is mentioned
Last Answer : (c) They create very less noise
Description : Deep groove ball bearings creates a lot of noise. a) Yes b) They create very less noise c) Depends on the application d) No reference frame for comparison is mentioned
Last Answer : b) They create very less noise
Description : The electric arc welding is a type of ............. welding. (a) forge (b) fusion
Last Answer : b) fusion
Description : Projection welding is (i) Electric arc welding (ii) Gas welding (iii)Spot welding (iv) None
Last Answer : (iv) None
Description : Among gas and electric arc welding, which has the higher rate of heating? a) Gas welding b) Electric arc welding c) Gas welding and electric arc welding have equal rate of heating d) Cannot be determined
Last Answer : b) Electric arc welding
Description : Rails in the field are generally welded by using a) Thermit welding b) Gas welding c) Electric arc welding d) Forge welding
Last Answer : a) Thermit welding
Description : Which of the following are functions of flywheel? a) Store and release energy during work cycle b) Reduce power capacity of the electric motor c) Reduce amplitude of speed fluctuations d) All of the listed
Last Answer : d) All of the listed
Description : Resilience is defined as the property of material to absorb energy when deformed _________ and to release this energy when unloaded. a) Elastically b) Plastically c) Up to fracture point d) None of the listed
Last Answer : a) Elastically
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 : There is a problem of alignment in deep groove ball bearings. (a) Yes (b) No, it is self-aligning (c) It aligns itself only in some particular cases (d) Can’t be determined
Last Answer : (a) Yes
Description : There is problem of alignment in deep groove ball bearings. a) Yes b) No, it is self-aligning c) It aligns itself only in some particular cases d) Can’t be determined
Last Answer : a) Yes
Description : Bending stress in graduated length leaves are more than that in full length leaves. a) Yes b) No c) In some cases d) Can’t be stated
Last Answer : b) No
Description : Spiral spring is quite rigid. a) Yes b) No it is flexible c) It is of moderate rigidity d) Rigidity can’t be determined
Last Answer : b) No it is flexible
Description : The load shared by each spring is inversely proportional to the cross section of wire. a) Yes b) No, it is directly proportional c) It is proportional to its square d) It is proportional to its square root
Last Answer : b) No, it is directly proportional
Description : Taper is made cotter and slot on both the side. A. Yes B. No
Last Answer : B. No
Description : A knuckle joint can be used in valve mechanism of a reciprocating engine. a) Yes b) No c) Yes but there are stress probles d) No as it is very dangerous to use
Description : Knuckle Joint can’t be used to connect two intersecting rods. a) Yes b) No, it can’t be used c) It can be used with some modificatios d) It is expensive and hence isn’t used
Last Answer : b) No, it can’t be used
Description : Set screws are subjected to tensile forces only. a) Yes b) No, they are subjected to compressive forces only c) Both compressive and tensile d) Can’t be determined
Last Answer : b) No, they are subjected to compressive forces only
Description : Does shaft has to be shifted i axial direction to remove clamp coupling. a) Yes b) No
Description : Does ASME Standard take into consideration shock and fatigue factors? a) Yes b) No
Description : Which type of threads is recommended for fluctuating loads? a) Fine threads b) Coarse Threads c) Either of fine or coarse d) None of the listed
Last Answer : a) Fine threads
Description : Material of construction of the electrode used in the electric resistance welding is (A) Stainless steel (B) Graphite (C) Copper (D) Steel
Last Answer : Option C
Description : Heating and cooling in welding is a. Even b. Non-even c. Cannot say d. None
Last Answer : b. Non-even
Description : Welding requires a. Non-skilled worker b. Skilled worker c. Any worker
Last Answer : b. Skilled worker
Description : Process of welding with respect to riveting takes a. More time b. Less time c. Same time d. None
Last Answer : b. Less time
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 : In gas welding which of the following is generally used? a) Oxygen-Hydrogen b) Oxygen-Acetylene c) Oxygen-Hydrogen or Oxygen-Acetylene d) None of the mentioned
Last Answer : c) Oxygen-Hydrogen or Oxygen-Acetylene
Description : Thickness of plate is required more in welding than in riveting. a) True b) False
Last Answer : b) False
Description : In a fusion welding process, (a) only heat is used (b) only pressure is used (c) combination of heat and pressure is used (d) none of these
Last Answer : (a) only heat is used
Description : Maximum carbon content in welding is usually limited to a) 0.22% b) 0.8% c) 1.5% d) 2%
Last Answer : a) 0.22%
Description : An antifriction bearing consists of (a) rolling elements (b) races (c) cages (d) all of the listed
Last Answer : (d) all of the listed
Description : Which of the following cannot tolerate misalignment? (a) Angular contact bearing (b) Cylinder roller bearing (c) Thrust ball bearings (d) All of the listed
Last Answer : (d) All of the listed
Description : The listed life of a rolling bearing, in a catalog is the, (a) minimum expected life (b) maximum expected life (c) average life (d) none of the mentioned
Last Answer : (a) minimum expected life
Description : Footstep bearing is an axial load bearing. a) True b) Thrust load c) Shear load d) None of the listed
Last Answer : b) Thrust load
Description : In the expression of dynamic load capacity P=XVF(r) + YF(a), V stands for ? a) Race rotation factor b) Radial factor c) Thrust factor d) None of the listed
Last Answer : a) Race rotation factor
Description : Which of the following is expression for stribeck equation?(Number of balls=z)? a) C=kd2z/5 b) C=kd2z/15 c) C=kd2z/10 d) None of the listed
Last Answer : a) C=kd2z/5
Description : Static load is defined as the load acting on the bearing when shaft is _____ a) Stationary b) Rotating at rpm
Last Answer : a) Stationary
Description : Which of the following cannot tolerate misalignment? a) Angular contact bearing b) Cylinder roller bearing c) Thrust ball bearings d) All of the listed
Description : Which of the following cannot take radial load? a) Cylindrical Roller bearing b) Taper roller bearing c) Thrust ball bearing d) None of the listed
Last Answer : c) Thrust ball bearing