MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 815 Mcqs, each offering curated multiple-choice questions to sharpen your Production Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 551. |
In a drilling machine having six spindle speeds if first five speeds are 458, 605, 800, 1055 and 1390 rpm, the next higher speed would be |
| A. | 1760 rpm |
| B. | 1500 rpm |
| C. | 1830 rpm |
| D. | 1630 rpm |
| E. | 1440 rpm |
| Answer» D. 1630 rpm | |
| 552. |
The horizontal force required to slide the tail stock would be |
| A. | 1000 kg |
| B. | 648.84 kg |
| C. | 100 kg |
| D. | 148.84 kg |
| E. | 500 kg |
| Answer» E. 500 kg | |
| 553. |
A pattern maker's contraction rule accounts for |
| A. | All materials of the pattern |
| B. | All materials to be cast |
| C. | Only shrinkage allowance |
| D. | Only shrinkage, draft and distortion allowances |
| E. | All pattern allowances |
| Answer» D. Only shrinkage, draft and distortion allowances | |
| 554. |
The surface speed of regulating wheel in case of centreless grinding is |
| A. | 1500 - 1800 M/min |
| B. | 15 - 75 M/min |
| C. | 1000 - 1500 M/min |
| D. | 100 - 500 M/min |
| E. | 500 - 800 M/min |
| Answer» C. 1000 - 1500 M/min | |
| 555. |
In abrasive jet machining the achievable tolerances are nearly |
| A. | 500 |
| B. | 1 |
| C. | 0.1 |
| D. | 250 |
| E. | 50 |
| Answer» F. | |
| 556. |
The cemented carbide tools are generally poor in |
| A. | Compression |
| B. | Tension |
| C. | Shear |
| D. | Torsion |
| E. | None of the above |
| Answer» D. Torsion | |
| 557. |
Which one of the following methods cannot be used for turning internal tapers? |
| A. | Tail stock offset |
| B. | Cross slide |
| C. | Compound slide |
| D. | All of the above |
| E. | None of the above |
| Answer» B. Cross slide | |
| 558. |
For mild steel work piece using carbide tool, the temperature at which maximum materials is removed is |
| A. | 200?C |
| B. | 275?C |
| C. | 100?C |
| D. | Near zero deg centigrade |
| E. | Below room temperature |
| Answer» C. 100?C | |
| 559. |
Which of the following process is preferred for the welding of grey cast iron? |
| A. | Oxy-acetylene |
| B. | Thermit |
| C. | MIG |
| D. | TIG |
| E. | Submerged arc |
| Answer» B. Thermit | |
| 560. |
Which of the following is an accessory for lathe machine? |
| A. | Lead screw |
| B. | Cone pulley |
| C. | Tool post |
| D. | Coolant pump |
| E. | None of the above |
| Answer» E. None of the above | |
| 561. |
Size of a shaper is generally specified by |
| A. | Length, breadth and height of machine |
| B. | Maximum travel of cutting tool |
| C. | Weight of the machine |
| D. | Quick return ratio |
| E. | The area of machined surface per hour |
| Answer» C. Weight of the machine | |
| 562. |
Simple indexing using a dividing head of turn ratio 40 for 6 division would be |
| A. | 14 holes in 21 hole circle plate |
| B. | 26 holes in 21 hole circle plate |
| C. | 6 turns and holes in 21 hole circle plate |
| D. | 6 turns and 14 holes in 30 hole circle plate |
| E. | 6 turns |
| Answer» D. 6 turns and 14 holes in 30 hole circle plate | |
| 563. |
Music wire |
| A. | Is a standard wire for gauge determination |
| B. | Is a resistance wire used in instruments |
| C. | Is fine wire used in musical instruments manufacture springs |
| D. | None of above |
| E. | Is a carbon steel wire used to manufacture springs |
| Answer» F. | |
| 564. |
Gear made by sand casting are used in |
| A. | Automobiles |
| B. | Toys |
| C. | Diesel locomotives |
| D. | Concrete mixers |
| E. | Machine tools |
| Answer» E. Machine tools | |
| 565. |
Loams sand generally has |
| A. | 50% clay and 18% moisture |
| B. | 60% clay and 30% moisture |
| C. | 34% clay and 5% moisture |
| D. | 70% clay and 30% moisture |
| E. | 40% clay and 10% moisture |
| Answer» B. 60% clay and 30% moisture | |
| 566. |
Which of the following centre is used for holding hollow jobs on a lathe? |
| A. | Oil groove centre |
| B. | Revolving centre |
| C. | Half centre |
| D. | Square centre |
| E. | Pipe centre |
| Answer» F. | |
| 567. |
The purpose of using a core in moulding is |
| A. | To produce sound casting |
| B. | To permit uniform flow of metal during moulding |
| C. | To enable easy removal of pattern |
| D. | To produce chilled surface |
| E. | To provide desired recesses in casting |
| Answer» F. | |
| 568. |
In a cupola |
| A. | Wind box and tap hole are at the same level |
| B. | Slag spout is below tape hole |
| C. | Slag spout is above wind box |
| D. | Tape hole is below wind box |
| E. | Tape hole is above wind box |
| Answer» E. Tape hole is above wind box | |
| 569. |
Which of the following is not a chipless machining process? |
| A. | Rolling |
| B. | Grinding |
| C. | Extruding |
| D. | Die casting |
| E. | Cold heading |
| Answer» C. Extruding | |
| 570. |
In EDM, the erosion of metal occurs due to |
| A. | Eddy current generated on the metal surface |
| B. | Highly ionised electrolyte impinging on the metal surface |
| C. | Chemical erosion |
| D. | Rapidly recurring spark discharges impinging against the surface of work piece |
| E. | Molecular transfer |
| Answer» E. Molecular transfer | |
| 571. |
The tool used for punching small indentations/establishing points for divider is termed as |
| A. | Solid punch |
| B. | Parting off |
| C. | Hollow punch |
| D. | Prick punch |
| Answer» F. | |
| 572. |
All of the following are metal cleaning methods EXCEPT |
| A. | Parting off |
| B. | Phosphatizing |
| C. | Knurling |
| D. | Abrasion blasting |
| E. | Tumbling |
| Answer» D. Abrasion blasting | |
| 573. |
How wire anemometers are generally used to |
| A. | Measure thermal conductivity of solids |
| B. | Measure pressure of fluids |
| C. | Measure temperature of moving fluid |
| D. | Measure velocity of air steam |
| E. | Measure magnetic properties |
| Answer» E. Measure magnetic properties | |
| 574. |
Which of the following process needs high current for its operation? |
| A. | Electro chemical machining |
| B. | Ultrasonic machining |
| C. | Abrasive machining |
| D. | Electron beam machining |
| E. | Electric discharge machining |
| Answer» B. Ultrasonic machining | |
| 575. |
Continuous chips |
| A. | Are easily disposable |
| B. | Sintering |
| C. | Cause good surface finish |
| D. | Waste power due to heat generation |
| E. | Do not require cooling |
| Answer» E. Do not require cooling | |
| 576. |
A micron is |
| A. | 0.01 mm |
| B. | 0.1 mm |
| C. | 1 mm |
| D. | 0.0001 mm |
| E. | 0.001 mm |
| Answer» F. | |
| 577. |
For short-distance transmission, the methods of transmission that can be used is |
| A. | Hydraulic |
| B. | Pneumatic |
| C. | Electric and electronic |
| D. | Any of the above |
| E. | None of the above |
| Answer» E. None of the above | |
| 578. |
In a shrink rule the graduations are |
| A. | Slightly longer than the regular graduations |
| B. | Same as regular graduations |
| C. | Slightly shorter than the regular graduations |
| D. | None of the above |
| Answer» B. Same as regular graduations | |
| 579. |
In automatic control systems what could be the source of process disturbances? |
| A. | Changes in supply |
| B. | Changes in demand |
| C. | Changes in environmental and other associated variables |
| D. | Change in set point |
| E. | Any of the above |
| Answer» F. | |
| 580. |
Which one of the following is a natural abrasive? |
| A. | Alundum |
| B. | Corundum |
| C. | Boron carbide |
| D. | Carborundum |
| E. | None of the above |
| Answer» C. Boron carbide | |
| 581. |
Fetling of castings is done to |
| A. | Fill the void by welding |
| B. | Smoothen surfaces |
| C. | Remove the extra material from castings |
| D. | To remove internal stresses from castings |
| E. | To produce uniformly cooled castings. |
| Answer» D. To remove internal stresses from castings | |
| 582. |
Bellows are |
| A. | Used in foundry for cleaning the casting |
| B. | Used in foundry for blowing loose sand from cavities and surface of the mould |
| C. | Used in foundry for smoothening and cleaning out depression in the mould |
| D. | Used in foundry for repairing the moulds |
| E. | Used in foundry for moistening the mould |
| Answer» C. Used in foundry for smoothening and cleaning out depression in the mould | |
| 583. |
The maximum peripheral speed of a grinding wheel is limited by |
| A. | The work material |
| B. | The diameter of the wheel |
| C. | The frive limitations |
| D. | The size of the work piece |
| E. | The kind of bond used in the wheel |
| Answer» F. | |
| 584. |
During planning the chips produced are in the form of |
| A. | closed spirals |
| B. | long helics |
| C. | Parting off |
| D. | spinters |
| E. | fragments |
| Answer» F. | |
| 585. |
Choose the incorrect statements. A coolant should be |
| A. | Good lubricant |
| B. | Generally not provided |
| C. | Harmless to operator and machine |
| D. | Transparent |
| E. | Light in weight |
| Answer» F. | |
| 586. |
The moisture content of wood used for patterns should be |
| A. | More than 25% |
| B. | Zero |
| C. | More than 20% |
| D. | Less than 15% |
| E. | 1% |
| Answer» E. 1% | |
| 587. |
In a lathe power feed is generally not available for |
| A. | Lead screw |
| B. | Carriage |
| C. | Cross slide |
| D. | Compound slide |
| E. | All of the above |
| Answer» E. All of the above | |
| 588. |
A sprue is |
| A. | A process of cleaning castings |
| B. | A chemical added to molten materials to get sound castings |
| C. | A tool used in mould repairing |
| D. | A special type of non-ferrous core used in centrifugal castings only |
| E. | A vertical passage through the cope and connecting the pouring basin to the runner or gate |
| Answer» F. | |
| 589. |
The coefficient of friction between chip and tool is the variable. It can be reduced by |
| A. | Reducing the width of tool |
| B. | Reducing the depth of cut |
| C. | Reducing the effective rake angle |
| D. | None of these |
| E. | None of the above |
| Answer» D. None of these | |
| 590. |
Greater proportion of heat in a cutting operation is produced in the region of |
| A. | tool-chip interface |
| B. | shearing plane of chip |
| C. | tool and work piece contact |
| D. | None of the above |
| E. | Parting off |
| Answer» C. tool and work piece contact | |
| 591. |
A collimated light beam is used for producing heat in |
| A. | Percussion welding |
| B. | TIG welding |
| C. | Plasma welding |
| D. | MIG welding |
| E. | Laser welding |
| Answer» F. | |
| 592. |
Toole life cannot be defined as |
| A. | number of minutes after which tool failed |
| B. | machine time in minutes for which tool performed satisfactorily |
| C. | average length of cut per cutting edge |
| D. | None of the above |
| E. | Parting off |
| Answer» B. machine time in minutes for which tool performed satisfactorily | |
| 593. |
In following operations are to be performed on a job, which one would be performed first |
| A. | Tapping |
| B. | Sport facing |
| C. | Boring |
| D. | Drilling |
| E. | Counter sinking |
| Answer» E. Counter sinking | |
| 594. |
A 12 mm drilling machine means |
| A. | It can drill holes in 12 mm thick plates |
| B. | It can drill holes maximum 12 mm in diameter |
| C. | It can be used for crilling holes having cross-sectional area of 12 sq mm |
| D. | All of the above |
| E. | None of the above |
| Answer» C. It can be used for crilling holes having cross-sectional area of 12 sq mm | |
| 595. |
Which one of the following methods can be used for turning external tapers only? |
| A. | Form tool |
| B. | Tail stock offset |
| C. | Reamer |
| D. | Compound rest |
| E. | Taper attachment |
| Answer» C. Reamer | |
| 596. |
A Bick iron is made of |
| A. | High speed steel |
| B. | Tool steel and hardened |
| C. | While cast iron |
| D. | Parting off |
| Answer» D. Parting off | |
| 597. |
A time switch is |
| A. | A switch which operates for a fixed time only |
| B. | A switch which gets energised with time |
| C. | A 24 hour timing device used to open and close electric circuits according to time of day on a continually repeating schedule |
| D. | A switch with records timings of operation of a circuit |
| E. | None of the above |
| Answer» D. A switch with records timings of operation of a circuit | |
| 598. |
Continuous chips in ductile metals is promoted by |
| A. | Small rake angle |
| B. | Reduce the wall thickness and increase the diameter of tubes already made |
| C. | Low cutting speed |
| D. | Insufficient cooling |
| E. | Rine feed |
| Answer» F. | |
| 599. |
Which of the following is a process of chipless machining? |
| A. | Gear shaving |
| B. | Honing |
| C. | Broaching |
| D. | Hobbing |
| E. | Cold heading |
| Answer» F. | |
| 600. |
Which of the following press is best suited for embossing? |
| A. | Knuckle joint press |
| B. | Toggle action press |
| C. | Double action press |
| D. | None of the above |
| E. | Parting off |
| Answer» B. Toggle action press | |