MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Valve analysis is particularly of interest when |
| A. | jobbing work economics are involved |
| B. | production is on large scale |
| C. | only few components are involved |
| D. | costly equipment is used |
| Answer» C. only few components are involved | |
| 2. |
For handling materials during manufacture of cement, a __________ is widely used. |
| A. | belt conveyor |
| B. | bucket conveyor |
| C. | fork lift truck |
| D. | overhead crane |
| Answer» C. fork lift truck | |
| 3. |
Process layout is also known as |
| A. | analyticallayout |
| B. | synthetic layout |
| C. | static product layout |
| D. | none of these |
| Answer» B. synthetic layout | |
| 4. |
When the dimension is expressed as , then the tolerance is |
| A. | 0.035 mm |
| B. | 0.025 mm |
| C. | 0.01 mm |
| D. | 0.06 mm |
| Answer» E. | |
| 5. |
In product layout |
| A. | specialised and strict supervision is required |
| B. | machines can not be used to their maximum capacity |
| C. | manufacturing cost rises with a fall in the volume of production |
| D. | all of the above |
| Answer» E. | |
| 6. |
A critical activity has |
| A. | maximum slack |
| B. | minimum slack |
| C. | zero slack |
| D. | average slack |
| Answer» D. average slack | |
| 7. |
In a functional organisation |
| A. | quality of work is better |
| B. | wastage of material is minimum |
| C. | specialised knowledge and guidance to individual worker is provided |
| D. | all of the above |
| Answer» E. | |
| 8. |
The purpose of micromotion study is to |
| A. | assist in finding out the most efficient way of doing work |
| B. | train the individual operator regarding the motion economy principles |
| C. | help in collecting the motion time data for synthetic time standards |
| D. | all of the above |
| Answer» E. | |
| 9. |
Sampling method of determining standard time is profitable for long cycle operation. |
| A. | Correct |
| B. | Incorrect |
| Answer» B. Incorrect | |
| 10. |
Break even analysis is a |
| A. | short term analysis |
| B. | long term analysis |
| C. | average of short and long term analysis |
| D. | any one of these |
| Answer» B. long term analysis | |
| 11. |
The vertical welding do not require plate edge preparation upto 16 mm thickness. |
| A. | Correct |
| B. | Incorrect |
| Answer» B. Incorrect | |
| 12. |
The dowels are |
| A. | wooden nails |
| B. | box nails |
| C. | wire nails |
| D. | none of these |
| Answer» B. box nails | |
| 13. |
In arc welding, the temperature of heat produced by the electric arc is of the order of |
| A. | 3000 C to 4000 C |
| B. | 4000 C to 5000 C |
| C. | 5000 C to 6000 C |
| D. | 6000 C to 7000 C |
| Answer» E. | |
| 14. |
A basic shaft is one whose |
| A. | lower deviation is zero |
| B. | upper deviation is zero |
| C. | lower and upper deviations are zero |
| D. | none of these |
| Answer» C. lower and upper deviations are zero | |
| 15. |
The casting method adopted for ornaments and toys of non-ferrous alloys, is |
| A. | permanent mould casting |
| B. | slush casting |
| C. | die casting |
| D. | centrifugal casting |
| Answer» C. die casting | |
| 16. |
A file with 20 teeth in 25 mm is called |
| A. | rough file |
| B. | bastard file |
| C. | second cut file |
| D. | smooth file |
| Answer» B. bastard file | |
| 17. |
The flux commonly used in brazing is |
| A. | zinc chloride |
| B. | ammonium chloride |
| C. | rosin plus alcohol |
| D. | borax |
| Answer» E. | |
| 18. |
The increase in hardness due to cold working, is called |
| A. | age-hardening |
| B. | work-hardening |
| C. | induction hardening |
| D. | flame hardening |
| Answer» C. induction hardening | |
| 19. |
In a cold chamber die casting machine |
| A. | melting pot is separate from the machine |
| B. | melting pot is an integral part of the machine |
| C. | melting pot may have any location |
| D. | low temperature and pressure is used |
| Answer» B. melting pot is an integral part of the machine | |
| 20. |
When two pieces of different metals are to be welded by projection welding, then the projection should be made on the metal piece having __________ conductivity. |
| A. | lower |
| B. | higher |
| Answer» C. | |
| 21. |
Shift is a casting defect which |
| A. | results in a mismatching of the top and bottom parts of a casting |
| B. | results in general enlargement of a casting |
| C. | occurs near the ingates as rough lumps on the surface of a casting |
| D. | occurs as sand patches on the upper surface of a casting |
| Answer» B. results in general enlargement of a casting | |
| 22. |
Which one of the following material will require the largest size of riser for the same size of casting? |
| A. | Aluminium |
| B. | Cast iron |
| C. | Steel |
| D. | Copper |
| Answer» D. Copper | |
| 23. |
The consumable electrode is used in |
| A. | carbon arc welding |
| B. | submerged arc welding |
| C. | TIG arc welding |
| D. | MIG arc welding |
| Answer» E. | |
| 24. |
The operation of cutting a sheet of metal in a straight line along the length, is known as |
| A. | plunging |
| B. | notching |
| C. | slitting |
| D. | forming |
| Answer» D. forming | |
| 25. |
Forming is the operation of removing metal to the desired shape from the edge of a plate. |
| A. | Correct |
| B. | Incorrect |
| Answer» C. | |
| 26. |
The parts of circular cross-section which are symmetrical about the axis of rotation are made by |
| A. | hot forging |
| B. | hot spinning |
| C. | hot extrusion |
| D. | hot drawing |
| Answer» C. hot extrusion | |
| 27. |
Scribing block is used to |
| A. | hold the round bars during marking |
| B. | check the trueness of flat surfaces |
| C. | locate the centres of round bars |
| D. | check the surface roughness |
| Answer» D. check the surface roughness | |
| 28. |
Neutral flame is usd to weld |
| A. | steel |
| B. | cast iron |
| C. | copper |
| D. | all of these |
| Answer» E. | |
| 29. |
V-block is used to |
| A. | check the trueness of flat surfaces |
| B. | locate centres of round rods |
| C. | check the surface roughness |
| D. | none of these |
| Answer» E. | |
| 30. |
A diamond pointed chisel is used for cutting |
| A. | flat surfaces |
| B. | grooves |
| C. | keyways |
| D. | V-shaped grooves |
| Answer» E. | |
| 31. |
The length of hacksaw blade is the distance between the outside edges of the holes which fits over the pins. |
| A. | Agree |
| B. | Disagree |
| Answer» B. Disagree | |
| 32. |
In electric resistance welding, pressure is applied just after the completion of current. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 33. |
In permanent mould casting method |
| A. | molten metal is poured in a metallic mould, retained in the mould long enough for the outer skin to solidify and finally mould is turned over to remove molten metal still in molten condition |
| B. | molten metal is poured and allowed to solidify while the mould is revolving |
| C. | molten metal is forced into mould under high pressure |
| D. | none of the above |
| Answer» E. | |
| 34. |
A progressive limit gauge has |
| A. | 'Go' and 'Not go' member on the same side of the gauge |
| B. | separate 'Go' and 'Not go' members |
| C. | 'Go' member at one end and 'Not go' member at the other end |
| D. | none of the above |
| Answer» B. separate 'Go' and 'Not go' members | |
| 35. |
Riddle is used for |
| A. | smoothing and cleaning out depressions in the mould |
| B. | cleaning the moulding sand |
| C. | moistening the sand around the edge before removing pattern |
| D. | reinforcement of sand in the top part of moulding box |
| Answer» C. moistening the sand around the edge before removing pattern | |
| 36. |
In a __________ , the molten metal is poured and allowed to solidify while the mould is revolving. |
| A. | die casting method |
| B. | slush casting method |
| C. | permanent mould casting method |
| D. | centrifugal casting method |
| Answer» E. | |
| 37. |
A file with 50 - 60 teeth in 25 mm is called bastard file. |
| A. | True |
| B. | False |
| Answer» C. | |
| 38. |
During cold working process |
| A. | grain structure is distorted |
| B. | strength and hardness of metal increases |
| C. | close dimensional tolerance can be maintained |
| D. | all of the above |
| Answer» E. | |
| 39. |
In fore-hand welding, the angle between the welding torch and the work is __________ as compared to back-hand welding. |
| A. | same |
| B. | less |
| C. | more |
| Answer» D. | |
| 40. |
The advantage of thermit welding is that |
| A. | all parts of the weld section are molten at the same time |
| B. | weld cools almost uniformly |
| C. | results in a minimum problem with internal residual stresses |
| D. | all of the above |
| Answer» E. | |
| 41. |
In back-hand welding, the angle between the welding rod and the work is __________ as compared to fore-hand welding. |
| A. | same |
| B. | less |
| C. | more |
| Answer» B. less | |
| 42. |
When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by |
| A. | washing it with water |
| B. | rubbing on wood |
| C. | washing it with dilute acid |
| D. | using file card |
| Answer» E. | |
| 43. |
Lap joints are employed on plates having thickness |
| A. | less than 3 mm |
| B. | 5 to 10 mm |
| C. | 12.5 mm |
| D. | above 25 mm |
| Answer» B. 5 to 10 mm | |
| 44. |
A large electrode is used in un-shielded arc welding. |
| A. | Correct |
| B. | Incorrect |
| Answer» B. Incorrect | |
| 45. |
Fin is a casting defect which is due to thin projections of metal not intended as a part of casting. |
| A. | Correct |
| B. | Incorrect |
| Answer» B. Incorrect | |
| 46. |
The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as |
| A. | hot piercing |
| B. | extrusion |
| C. | cold peening |
| D. | cold heading |
| Answer» D. cold heading | |
| 47. |
The process of increasing the cross-section of a bar at the expense of its length, is called |
| A. | drawing down |
| B. | upsetting |
| C. | spinning |
| D. | peening |
| Answer» C. spinning | |
| 48. |
In TIG arc welding, the welding zone is shielded by an atmosphere of |
| A. | helium gas |
| B. | argon gas |
| C. | either (a) or (b) |
| D. | none of these |
| Answer» D. none of these | |
| 49. |
Slick is used for repairing and finishing the mould. |
| A. | Correct |
| B. | Incorrect |
| Answer» B. Incorrect | |
| 50. |
The maximum flame temperature occurs |
| A. | at the outer cone |
| B. | at the inner cone |
| C. | between the outer and inner cone |
| D. | at the torch tip |
| Answer» C. between the outer and inner cone | |