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. |
In electrical resistance welding when the current passes through the metal, the greatest resistance is |
| A. | At the surface |
| B. | Through the metals to be welded |
| C. | At the point of contact of the metal to be welded |
| D. | At the point where electrode contacts the metal |
| E. | None of the above |
| Answer» D. At the point where electrode contacts the metal | |
| 2. |
Teeth of a hacksaw are |
| A. | In a single plane |
| B. | Parting off |
| C. | Bent in one direction only |
| D. | Bent alternately in opposite directions |
| Answer» E. | |
| 3. |
Low helix drills are used for machining |
| A. | Brass |
| B. | bronze |
| C. | bakelite |
| D. | Any of the above |
| E. | Parting off |
| Answer» E. Parting off | |
| 4. |
For resistance welding |
| A. | Voltage is low and current is high |
| B. | Voltage is high and current is low |
| C. | Both voltage and current are high |
| D. | Both voltage and current are low |
| E. | None of the above |
| Answer» B. Voltage is high and current is low | |
| 5. |
Two 3 mm thick MS sheets are to be welded. Electrodes of 16, 12, 10 Nos, are available which one would you choose. |
| A. | 16 |
| B. | 12 |
| C. | 10 |
| D. | Any of the above |
| E. | None of the above |
| Answer» D. Any of the above | |
| 6. |
The function of a transducer is |
| A. | To decodify the input signal |
| B. | To convert the primary signal into a more useful quantity usually an electrical impulse |
| C. | To amplify the input signal |
| D. | To codify the input signal |
| E. | To modify the input signal |
| Answer» C. To amplify the input signal | |
| 7. |
Which is not a part of shaper? |
| A. | Vernier caliper |
| B. | Table |
| C. | Cross slide |
| D. | Ram |
| E. | Tool head |
| Answer» D. Ram | |
| 8. |
Flange wrinkling is a defect associated with |
| A. | Cold heating |
| B. | Cold rolling |
| C. | Deep drawing |
| D. | Die casting |
| E. | None of the above |
| Answer» D. Die casting | |
| 9. |
Post cleaning is done in case of brazed joints to |
| A. | Prevent corrosion |
| B. | Remove scale |
| C. | Strengthen the joint |
| D. | Increase the strength of the joint |
| E. | All of the above |
| Answer» B. Remove scale | |
| 10. |
In a steel plant the product of a blast furnace is |
| A. | Cast steel |
| B. | Pig iron |
| C. | Ingot |
| D. | Mild steel |
| E. | Cast iron |
| Answer» C. Ingot | |
| 11. |
Cutting speed in turning operation for aluminium is |
| A. | 30 m/min |
| B. | 15 m/min |
| C. | 200 m/min |
| D. | 400 m/min |
| E. | 1000 m/min |
| Answer» D. 400 m/min | |
| 12. |
In a power hacksaw machine blade the number of teeth per inch are generally |
| A. | 10 -- 12 |
| B. | 4 -- 6 |
| C. | 20 -- 24 |
| D. | 12 -- 20 |
| E. | 24 -- 32 |
| Answer» C. 20 -- 24 | |
| 13. |
Plate liners used between the vice-jaw and the work piece are made of |
| A. | Copper or Tin |
| B. | Mild steel |
| C. | Parting off |
| D. | Hard steel |
| Answer» B. Mild steel | |
| 14. |
A sinebar is used to measure |
| A. | Surface roughness |
| B. | Gear profiles |
| C. | Internal tapers |
| D. | External tapers |
| E. | All of the above |
| Answer» E. All of the above | |
| 15. |
Automobile gears are generally manufactured by |
| A. | Extrusion |
| B. | Die casting |
| C. | Stamping |
| D. | Rolling |
| E. | Hobbing |
| Answer» F. | |
| 16. |
Shanks of taper drills are provided standard taper known as |
| A. | Jarno and Reed taper |
| B. | Morse taper |
| C. | Brown and Sharpe taper |
| D. | Chapman taper |
| E. | Sellers taper |
| Answer» C. Brown and Sharpe taper | |
| 17. |
Usual thickness of a hacksaw blade is |
| A. | 1 mm |
| B. | Parting off |
| C. | 0.7 mm |
| D. | 0.4 mm |
| Answer» D. 0.4 mm | |
| 18. |
In electro chemical machining the metal is removed by |
| A. | Molecular transfer |
| B. | Ionic bombardment |
| C. | Collimated light rays |
| D. | Ultraviolet rays |
| E. | Dissolution in electrolyte solution |
| Answer» F. | |
| 19. |
Antioch is |
| A. | A soft soldering process |
| B. | A process for making porous moulds |
| C. | An instrument for measurement of porosity of sand |
| D. | A process for removal of excess solder from joints |
| E. | A hand tool used for repairing moulds |
| Answer» E. A hand tool used for repairing moulds | |
| 20. |
In theory of metal cutting the shear plane angle is the angle between |
| A. | Shear plane and tool axis |
| B. | Shear plane and job surface |
| C. | Shear plane and tool surface |
| D. | Shear plane and horizontal plane |
| E. | Shear plane and verticalplane |
| Answer» C. Shear plane and tool surface | |
| 21. |
For aluminum casting to be turned on a lathe, which chuck would be preferred? |
| A. | Four jaw independent chuck |
| B. | Pneumatic chuck |
| C. | Collet chuck |
| D. | Three jaw self-centring chuck |
| E. | Face plane |
| Answer» B. Pneumatic chuck | |
| 22. |
A gate is the |
| A. | Vent hole to allow for the hot gases to escape |
| B. | Channel for the flow of excess molten material |
| C. | Passage through which metal rises when the mould is filled |
| D. | Passage through which metal is poured into the mould |
| E. | Passage that finally leads molten metal from the runner into the mould cavity |
| Answer» F. | |
| 23. |
A bleed type relay is generally used in |
| A. | Pneumatic systems |
| B. | Electrical systems |
| C. | Electronic systems |
| D. | Mechanical systems |
| E. | None of the above |
| Answer» B. Electrical systems | |
| 24. |
The property of sand due to which it clings to the sides of a moulding box, is called |
| A. | permeability |
| B. | adhesiveness |
| C. | electron affinity |
| D. | cohesiveness |
| E. | Parting off |
| Answer» C. electron affinity | |
| 25. |
Load cells are used |
| A. | For the measurement of weight |
| B. | For pile driving |
| C. | For the measurement of strain |
| D. | For the measurement of stress |
| E. | For the measurement bearing capacity of soils |
| Answer» B. For pile driving | |
| 26. |
Lathe bed is usually made of |
| A. | Cast iron |
| B. | Satellite |
| C. | Alloy steel |
| D. | Mild steel |
| E. | High speed steel |
| Answer» B. Satellite | |
| 27. |
Machinability is affected by |
| A. | tool geometry and material |
| B. | cutting fluids |
| C. | regidity of tool and machine |
| D. | All of the above |
| E. | Parting off |
| Answer» E. Parting off | |
| 28. |
The capacity of cupola is usually in the range |
| A. | 500 tons to 1000 tons |
| B. | 100 to 250 tons |
| C. | 10 tons 10 100 tons |
| D. | 250 tons to 400 tons |
| Answer» E. | |
| 29. |
For the soldering of galvanized iron the flux used is |
| A. | Hydrochloric acid |
| B. | Zinc oxide |
| C. | Muriatic acid |
| D. | Ammonium chloride |
| E. | None of the above |
| Answer» D. Ammonium chloride | |
| 30. |
Thermistors are |
| A. | Clad metals used in accurate measurement of temperature changes |
| B. | Semi-conductor materials having large negative coefficient of resistance |
| C. | Materials highly sensitive to temperature changes |
| D. | Used for measurement of thermal properties |
| E. | Bimetallic strips used in thermometers |
| Answer» B. Semi-conductor materials having large negative coefficient of resistance | |
| 31. |
A step cone pulley is provided on a lathe to |
| A. | To reverse the spindle rotation |
| B. | To drive the lead screw |
| C. | For taper turning |
| D. | Reduce power consumption |
| E. | To change spindle speeds |
| Answer» F. | |
| 32. |
In a sine bar the standard length is measured from |
| A. | Edge to edge |
| B. | Between inner circumference of two buttons |
| C. | Between out circumference of two buttons |
| D. | Between the centers of two buttons |
| E. | Any of the above |
| Answer» E. Any of the above | |
| 33. |
Which one of the following is known as trarmel? |
| A. | A pair of steel legs joined by a screw and nut |
| B. | A steel bar and two sliding legs which can be adjusted |
| C. | A divider with a spring |
| D. | None of the above |
| E. | Short rule |
| Answer» C. A divider with a spring | |
| 34. |
A point angle of 135 - 150? on twist drills is used for drilling |
| A. | Mild steel |
| B. | Hard steels and nickel alloys |
| C. | Cast iron |
| D. | Bakelite |
| E. | Plastics |
| Answer» C. Cast iron | |
| 35. |
A non-consumable electrode is used in |
| A. | Gas welding |
| B. | DC arc welding |
| C. | AC arc welding |
| D. | Argon arc welding |
| E. | None of the above |
| Answer» E. None of the above | |
| 36. |
Helical grooves are provided on a drill bit |
| A. | To provide long cutting edge |
| B. | To guide the cutting top |
| C. | To reduce the cost of the drill bit |
| D. | To provide a passage for the coolant |
| E. | To remove chips |
| Answer» F. | |
| 37. |
Usual width of a hacksaw blade is |
| A. | 15 mm |
| B. | Parting off |
| C. | 10 mm and above |
| D. | 12.7 mm |
| Answer» F. | |
| 38. |
Which of the folliwjng is not an abrading process? |
| A. | Grinding |
| B. | Lapping |
| C. | Tumbling |
| D. | Honing |
| E. | Parting off |
| Answer» D. Honing | |
| 39. |
Joggled welded joints are used |
| A. | For heavy loading where the upper surface of both pieces must be in the same plane |
| B. | For jobs subjected to fatigue stresses |
| C. | For joining two dissimilar metals |
| D. | For joining two materials of different thicknesses |
| E. | For light loading where the upper surface of both pieces must be in contact |
| Answer» B. For jobs subjected to fatigue stresses | |
| 40. |
In sand moulding the bottom flask is called |
| A. | Drag |
| B. | Riddle |
| C. | Cope |
| D. | Fillet |
| E. | Check |
| Answer» B. Riddle | |
| 41. |
The smallest thickness that can be measured by a slip gauge is |
| A. | 0.01 mm |
| B. | 1.001 mm |
| C. | 0.001 mm |
| D. | 1 mm |
| E. | 0.1 mm |
| Answer» C. 0.001 mm | |
| 42. |
The bit of solder iron is generally made of |
| A. | Copper |
| B. | Cast iron |
| C. | High speed steel |
| D. | Stainless steel |
| E. | Mild steel |
| Answer» B. Cast iron | |
| 43. |
Depth of cut is normally |
| A. | Parting off |
| B. | more for roughing operation and less for finishing operation |
| C. | less for roughing operation and more for finishing operation |
| D. | same for roughing as well as finishing operations |
| Answer» C. less for roughing operation and more for finishing operation | |
| 44. |
Cutting speed of three tool materials, viz : H.S.S., carbide and ceramic for a given work materials and fixed tool life will increase in this order |
| A. | carbide H.S.S. ceramic |
| B. | Carbide ceramic H.S.S. |
| C. | H.S.S. carbide ceramic |
| D. | None of the above |
| E. | Parting off |
| Answer» D. None of the above | |
| 45. |
The shape of chips during broaching operation is |
| A. | Short helical |
| B. | Continuous |
| C. | Small fragments |
| D. | Long-helical |
| E. | Closed spirals |
| Answer» F. | |
| 46. |
A soldering iron is used mainly to |
| A. | Heat the metal |
| B. | Melt the solder |
| C. | Heat the flux |
| D. | None of these |
| E. | None of the above |
| Answer» C. Heat the flux | |
| 47. |
The pieces of material that are removed when punching holes in tape are known as |
| A. | Cermets |
| B. | Fillings |
| C. | Circles |
| D. | Clad |
| E. | Burrs |
| Answer» E. Burrs | |
| 48. |
Plug rolling is used to |
| A. | Reduce the wall thickness and increase the diameter of tubes already made |
| B. | Remove out of roundness of pipes |
| C. | Increase the wall thickness of pipes at ends |
| D. | Reduce the diameter of pipe |
| E. | Cut threads at the ends of pipes |
| Answer» B. Remove out of roundness of pipes | |
| 49. |
Which one of the following is not a part of micrometer |
| A. | Sleeve |
| B. | Spindle |
| C. | Thimble |
| D. | Anvil |
| E. | Beam |
| Answer» F. | |
| 50. |
A diamond point chisel is used for |
| A. | V-shaped grooves |
| B. | Spherical surfaces |
| C. | Flat surfaces |
| D. | Convex surfaces |
| E. | Round surfaces |
| Answer» B. Spherical surfaces | |