MCQOPTIONS
Saved Bookmarks
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. |
In instrumentation a correction is |
| A. | Reading-error |
| B. | Range of error-degree of correctness |
| C. | The revision applied to the indicated value so that the final result obtained improves the worth of the result |
| D. | Lowest value of input which does not indicate the result |
| E. | An error |
| Answer» D. Lowest value of input which does not indicate the result | |
| 2. |
Plain and butt welds may be used on materials upto approximately |
| A. | 100 mm thick |
| B. | 75 mm thick |
| C. | 50 mm thick |
| D. | 40 mm thick |
| E. | 25 mm thick |
| Answer» F. | |
| 3. |
In production work where several castings are required |
| A. | Parting off |
| B. | match plate patterns are used |
| C. | split patterns are used |
| D. | loose piece patterns are used |
| E. | gated patterns are used |
| Answer» F. | |
| 4. |
Gear tooth vernier is used to measure |
| A. | Pitch line thickness of gear tooth |
| B. | Addendum and dedendum |
| C. | Gear tooth thickness |
| D. | Module |
| E. | Gear tooth profile |
| Answer» B. Addendum and dedendum | |
| 5. |
Which one of the following methods is generally not used in welding of chromium molybdenum steels |
| A. | 100 mm thick |
| B. | Thermit |
| C. | Submerged arc |
| D. | Oxyacetylene |
| E. | Resistance |
| Answer» F. | |
| 6. |
The function of a chip breaker in a cutting tool is |
| A. | To provide smooth path for long chips |
| B. | To get long curled chips |
| C. | To break the chips into short segrments |
| D. | To remove chips from bed |
| E. | None of the above |
| Answer» D. To remove chips from bed | |
| 7. |
A stub tooth is one that is |
| A. | Thicker in proportion to its length than involute tooth |
| B. | Smaller in proportion to its length than the involute tooth |
| C. | None of these |
| D. | Vernier caliper |
| E. | Same as involute tooth |
| Answer» C. None of these | |
| 8. |
In which of the following welding process, flux is used in the form of granules? |
| A. | Submerged arc welding |
| B. | Gas arc welding |
| C. | DC arc welding |
| D. | Argon arc welding |
| E. | All of the above |
| Answer» B. Gas arc welding | |
| 9. |
Which of the following is the most rapid quenching medium? |
| A. | Solution of caustic soda |
| B. | High flash point oil |
| C. | Parting off |
| D. | Air |
| E. | Water |
| Answer» B. High flash point oil | |
| 10. |
Which of the following is not a part of gating system? |
| A. | Vents |
| B. | Pouring basin |
| C. | Sprue |
| D. | Gates and riser |
| E. | Parting off |
| Answer» B. Pouring basin | |
| 11. |
For the measurement of viscosity the transduction method could be |
| A. | Electron tube |
| B. | Magneto-electric |
| C. | Photoelectric |
| D. | Radioactive |
| E. | Capacitive |
| Answer» F. | |
| 12. |
The function of a coolant in a metal cutting operation is |
| A. | To cool the job |
| B. | To cool the tool |
| C. | To reduce the friction at cutting point |
| D. | To obtain bright shining surface on the job |
| E. | None of the above |
| Answer» D. To obtain bright shining surface on the job | |
| 13. |
A rammer is |
| A. | A measuring tool |
| B. | A tool used in powder metallurgy for shaping the mixture |
| C. | A tool used in foundry to pack the sand in mould |
| D. | A tool used in press work to lift the pressed components |
| E. | A tool used n welding for cleaning purpose |
| Answer» D. A tool used in press work to lift the pressed components | |
| 14. |
Hardness of work surface affects honing by |
| A. | varying the rate of stock removal |
| B. | poor surface finish |
| C. | coolant consumption |
| D. | All of the above |
| E. | Parting off |
| Answer» B. poor surface finish | |
| 15. |
What multiple of basic unit is 'atto'? |
| A. | 10--18 |
| B. | 10--15 |
| C. | 10--12 |
| D. | 10--20 |
| E. | 10--9 |
| Answer» B. 10--15 | |
| 16. |
In deriving relationship between thickness ratio, angle of shear plane and tool rake angle, which assumption is not required in orthogonal cutting |
| A. | tool cuts at constant speed |
| B. | the edge of the cutting tool is larger than width of the chip |
| C. | the width of chip is larger than its thickness |
| D. | None of the above |
| E. | Parting off |
| Answer» B. the edge of the cutting tool is larger than width of the chip | |
| 17. |
In electrical resistance welding cleaning of metals to be welded |
| A. | Is immaterial |
| B. | Is important |
| C. | Can be neglected |
| D. | Does not have any effect on the welding |
| E. | None of the above |
| Answer» C. Can be neglected | |
| 18. |
Which one of the following is not a vector quantity? |
| A. | Acceleration |
| B. | Impulse |
| C. | Time |
| D. | Force |
| E. | Momentum |
| Answer» D. Force | |
| 19. |
Machining allowance in case of die casting is |
| A. | Same as in other methods of casting |
| B. | Generally not provided |
| C. | Small |
| D. | Very small |
| E. | Large |
| Answer» C. Small | |
| 20. |
When small castings are to be produced in large numbers, the type of pattern generally used is |
| A. | Split pattern |
| B. | Loose piece pattern |
| C. | Sweep pattern |
| D. | Match-plate pattern |
| E. | Solid pattern |
| Answer» E. Solid pattern | |
| 21. |
Device used in the fitting shop used for holding round bars during marking/centre drilling thin faces is known as |
| A. | Parting off |
| B. | Bench vice |
| C. | Surface plate |
| D. | V-block |
| Answer» F. | |
| 22. |
Permeability of a foundry sand is |
| A. | Capacity to hold moisture |
| B. | The ability of sand to withstand high temperatures |
| C. | Distribution of binder in sand |
| D. | Porosity to permit the escape of gases |
| E. | Fineness of sand |
| Answer» E. Fineness of sand | |
| 23. |
Which one of the following is an angle measuring device? |
| A. | Hermaphrodite caliper |
| B. | Divider |
| C. | Sine bar |
| D. | Angle iron |
| E. | Trammel |
| Answer» D. Angle iron | |
| 24. |
Zinc chloride finds application in |
| A. | Soft soldering |
| B. | Post weld cleaning |
| C. | Thermit welding |
| D. | TIG welding |
| E. | Brazing |
| Answer» B. Post weld cleaning | |
| 25. |
The type of grains usually preferred for moulding sand are |
| A. | Cylindrical |
| B. | Hemishperical |
| C. | Cubical |
| D. | Round |
| E. | Sharp irregular shaped |
| Answer» F. | |
| 26. |
With electronic circuits the accuracy that can be expected from scanners will lie in the range of |
| A. | 25 to 50% |
| B. | 5 to 10% |
| C. | 20 to 25% |
| D. | 10 to 17.5% |
| E. | 0.1 to 1% |
| Answer» F. | |
| 27. |
The process of cutting thin gears from metal sheets is known as |
| A. | Extruding |
| B. | Punching |
| C. | Stamping |
| D. | Sintering |
| E. | Rolling |
| Answer» D. Sintering | |
| 28. |
C-14 steel indicates plain carbon steel containing carbon percentage |
| A. | 14 |
| B. | 1.4 |
| C. | 0.14 |
| D. | 0.1 to 0.8 |
| E. | 1 to 1.8 |
| Answer» E. 1 to 1.8 | |
| 29. |
The counteract the increased sulphur percentage |
| A. | Carbon is added |
| B. | Manganese is added |
| C. | Phosphorous is added |
| D. | Oxidising agents are added |
| E. | None of the above |
| Answer» C. Phosphorous is added | |
| 30. |
The collapsible tubes for tooth pastes are made by |
| A. | rolling |
| B. | die casting |
| C. | extruding |
| D. | drawing |
| E. | Parting off |
| Answer» D. drawing | |
| 31. |
A drill will not cut when |
| A. | helix pitch is small |
| B. | lip angle is zero |
| C. | point angle is 118? |
| D. | helix pitch is large |
| E. | Parting off |
| Answer» C. point angle is 118? | |
| 32. |
A standard ground drill for use on mild steel has a point angle of |
| A. | 80? |
| B. | 118? |
| C. | 30? |
| D. | 138? |
| E. | 60? |
| Answer» C. 30? | |
| 33. |
The bonding of a rubber sheet with a metal is done by |
| A. | Induction welding |
| B. | Melting rubber in metal |
| C. | Welding |
| D. | High frequency dielectric heating |
| E. | Adhesive bonding |
| Answer» F. | |
| 34. |
Standard taper generally used on milling machine spindles is |
| A. | Seller's taper |
| B. | Morse taper |
| C. | Brown and Sharpe taper |
| D. | Chapman taper |
| E. | Jarno and Reed taper |
| Answer» D. Chapman taper | |
| 35. |
Which of the following is very hard grade? |
| A. | Parting off |
| B. | A - E |
| C. | G - K |
| D. | T - Z |
| E. | L - O |
| Answer» E. L - O | |
| 36. |
Stellite is a non-ferrous cast alloy containing |
| A. | Nickel, cobalt and chromium |
| B. | Tungsten, chromium and cobalt |
| C. | Molybdenum and vanadium |
| D. | Cobalt and manganese |
| E. | Nickel, lead and zinc |
| Answer» C. Molybdenum and vanadium | |
| 37. |
Which of the following process has the highest metal removal rate (mm33/min) |
| A. | Chemical machining |
| B. | Electron beam machining |
| C. | Laser beam machining |
| D. | Ultrasonic machining |
| E. | Abrasive machining |
| Answer» E. Abrasive machining | |
| 38. |
A strain gauge is a |
| A. | sensor |
| B. | recording device |
| C. | Parting off |
| D. | measuring device |
| E. | comparator |
| Answer» B. recording device | |
| 39. |
Dial indicator is a |
| A. | comparator |
| B. | recording device |
| C. | transducer |
| D. | sensor |
| E. | Parting off |
| Answer» B. recording device | |
| 40. |
In shell moulding, the dimensional accuracy that can be expected is |
| A. | 0.001 to 0.002 mm/mm |
| B. | 1 mm/mm |
| C. | 0.003 to 0.005 mm/mm |
| D. | 0.1 mm to 0.3 mm |
| E. | 0.3 mm to 0.5 mm |
| Answer» D. 0.1 mm to 0.3 mm | |
| 41. |
Ultrasonic machine is best suited for |
| A. | Non-ferrous metal |
| B. | Spongy materials |
| C. | Brittle materials |
| D. | Dielectrics |
| E. | Amorphous solids |
| Answer» D. Dielectrics | |
| 42. |
The length of hacksaw blades is |
| A. | Parting off |
| B. | 200 - 300 mm |
| C. | 300 mm - 400 mm |
| D. | 150 mm - 250 mm |
| Answer» C. 300 mm - 400 mm | |
| 43. |
A half nut is |
| A. | A double start nut for a quick shift |
| B. | Mechanism that locks the lathe carriage to the lead screw for thread cutting |
| C. | Nut with half the standard pitch |
| D. | Damaged nut |
| E. | Nut manufactured in parts |
| Answer» C. Nut with half the standard pitch | |
| 44. |
A rack is gear of |
| A. | Infinite pitch |
| B. | Infinite module |
| C. | Infinite diameter |
| D. | Infinite number of teeth |
| E. | None of the above |
| Answer» E. None of the above | |
| 45. |
A special form of piercing in which the entire contour is not cut, is known as |
| A. | Lancing |
| B. | Notching |
| C. | Trimming |
| D. | Slotting |
| E. | None of the above |
| Answer» B. Notching | |
| 46. |
In gas welding, the welding rods of 30 mm diameter are available. What will be the maximum thickness of material that can be welded with this rod? |
| A. | 3 mm |
| B. | 25 mm |
| C. | 12 mm |
| D. | 6 mm |
| E. | 30 mm |
| Answer» B. 25 mm | |
| 47. |
Burnishing operation is done with the help of |
| A. | Abrasives |
| B. | Dielectrics |
| C. | Balls |
| D. | Lubricating oils |
| E. | Any of the above |
| Answer» D. Lubricating oils | |
| 48. |
Trepanning tool is used on |
| A. | Milling machine |
| B. | Planers |
| C. | Lathes |
| D. | Power presses |
| E. | Cold heading machine |
| Answer» C. Lathes | |
| 49. |
Steel balls are required in large quantities. Which process would you select for the manufacture? |
| A. | Cold heading |
| B. | Turning on a Capstan of Turret lathe |
| C. | Casting |
| D. | Turning on a lathe |
| E. | Turning on a automatic lathe |
| Answer» B. Turning on a Capstan of Turret lathe | |
| 50. |
Carbon tool steels generally loose their hardness above |
| A. | 50?C |
| B. | 200?C |
| C. | 100?C |
| D. | Parting off |
| E. | 125?C |
| Answer» C. 100?C | |