MCQOPTIONS
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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.
| 651. |
Which one of the following cannot be used as a moulding material |
| A. | Wood |
| B. | Cement |
| C. | Glass |
| D. | Paper |
| E. | Rubber |
| Answer» D. Paper | |
| 652. |
The chisels used in sheet metal work have |
| A. | Rounded cutting edge |
| B. | Straight cutting edge |
| C. | Any of (A) or (B) |
| D. | Parting off |
| Answer» B. Straight cutting edge | |
| 653. |
Surveying tapes are generally made of |
| A. | Invar |
| B. | Nichrome |
| C. | Constantan |
| D. | Nicheloy |
| E. | Muntz metal |
| Answer» B. Nichrome | |
| 654. |
Out of the following materials which one will have lowest temperature of freezing? |
| A. | Copper |
| B. | Zinc |
| C. | Gold |
| D. | Lead |
| E. | Tungsten |
| Answer» E. Tungsten | |
| 655. |
The processes used for the machining of sintered and tungsten carbide is |
| A. | Grinding process |
| B. | Electroforming process |
| C. | Explosive forming process |
| D. | Turning process |
| E. | None of the above |
| Answer» C. Explosive forming process | |
| 656. |
A good cutting action is indicated by |
| A. | High cutting ratio |
| B. | Low cutting ratio |
| C. | Low chip reduction coefficient |
| D. | None of the above |
| E. | Bakelite |
| Answer» C. Low chip reduction coefficient | |
| 657. |
Which of the following process connot be carried out on lathe machine? |
| A. | Notching |
| B. | Riveting |
| C. | Punching |
| D. | Blanking |
| E. | All of the above |
| Answer» C. Punching | |
| 658. |
Preferred numbers are the numbers in |
| A. | arithmetic progression |
| B. | Parting off |
| C. | harmonic progression |
| D. | Logarithmic progression |
| E. | geometric progression |
| Answer» F. | |
| 659. |
Severe quenching may lead to |
| A. | superficial hardness |
| B. | blow holes |
| C. | formation of cracks |
| D. | warping |
| E. | Parting off |
| Answer» D. warping | |
| 660. |
The temperature scanning system are used |
| A. | Where temperature control at a point is important |
| B. | Where temperature difference between two points is important |
| C. | Where system is capable of working without temperature control |
| D. | Where monitoring of a relatively large number of temperatures is needed |
| E. | None of the above |
| Answer» E. None of the above | |
| 661. |
Loading of grinding wheel occurs when |
| A. | Parting off |
| B. | part of grinding surface gives way |
| C. | long cracks develop on grinding wheel from centre to outer diameter |
| D. | abrasive grains become clogged with particles of metal being ground |
| E. | follow cavities are formed on the surface of grinding wheel |
| Answer» E. follow cavities are formed on the surface of grinding wheel | |
| 662. |
Which of the following operations is known as 'sweating' |
| A. | Tinning the two surfaces to be joined, applying flux and heating |
| B. | Heating two surfaces to be joined, to the high temperature in presence of flux |
| C. | Heating two surfaces at low temperature |
| D. | Joining of two surfaces without use of flux |
| E. | None of the above |
| Answer» B. Heating two surfaces to be joined, to the high temperature in presence of flux | |
| 663. |
For the measurement of velocity, the transduction method could be |
| A. | Capacitive |
| B. | Inductive |
| C. | Magneto-electric |
| D. | Photoelectric |
| E. | Any of the above |
| Answer» F. | |
| 664. |
The selection of non-traditional machining process for a particular application depends on |
| A. | Physical parameters of the process |
| B. | Shspes to be machined |
| C. | Process capability |
| D. | Economics |
| E. | All of the above |
| Answer» F. | |
| 665. |
Generally the pattern used in manufacturing cast iron pipes are |
| A. | Solid pattern |
| B. | Match-plate pattern |
| C. | Split pattern |
| D. | Sweep pattern |
| E. | None of the above |
| Answer» F. | |
| 666. |
Draft allowance on castings is generally |
| A. | 20 - 30 mm/M |
| B. | 5 - 10 mm/M |
| C. | 2 - 5 mm/M |
| D. | 10 - 15 mm/M |
| E. | 1 - 2 mm/M |
| Answer» E. 1 - 2 mm/M | |
| 667. |
A blunt tool is used in |
| A. | knurling |
| B. | piercing |
| C. | Parting off |
| D. | gear shaving |
| E. | hot spinning. |
| Answer» F. | |
| 668. |
Which of the following non-traditional machining process will have inferior surface finish as compared to the remaining processes? |
| A. | Electro discharge machining |
| B. | Plasma arc machining |
| C. | Electron beam machining |
| D. | Chemical machining |
| E. | Ultrasonic machining |
| Answer» C. Electron beam machining | |
| 669. |
Green sand moulds are |
| A. | Painted with green paint |
| B. | Made out of green coloured sand |
| C. | Green in colour |
| D. | Made from damp moulding sand |
| E. | Skin dried moulds |
| Answer» D. Made from damp moulding sand | |
| 670. |
A massometer is |
| A. | An instrument for the measurement of mass |
| B. | An instrument of measurement of specific gravity of flowing fluids |
| C. | An instrument for the measurement of mass of fluid flowing through a pipes |
| D. | An instrument used for measuring mass of free flowing solids through conveyor pipes |
| E. | None of the above |
| Answer» E. None of the above | |
| 671. |
The fuel used in pit furnace is generally |
| A. | Charcoal |
| B. | Wood |
| C. | Coke |
| D. | Coal |
| E. | Oil |
| Answer» D. Coal | |
| 672. |
Continuous chips may be formed while machining |
| A. | Ductile material |
| B. | Non-ferrous material |
| C. | Hard material |
| D. | Tough material |
| E. | Brittle materials |
| Answer» B. Non-ferrous material | |
| 673. |
The cutting speed is usually low in case of |
| A. | Soft material |
| B. | Regular shaped materials |
| C. | Castings |
| D. | Stepped shafts |
| E. | None of the above |
| Answer» D. Stepped shafts | |
| 674. |
Which of the following material connot be forged? |
| A. | Cast iron |
| B. | Low carbon steel |
| C. | Dead mild steel |
| D. | Eutectoid steel |
| E. | Carbon chrome steel |
| Answer» B. Low carbon steel | |
| 675. |
The linear characteristics of valve is |
| A. | In which the length of valve is more than 10 times the width |
| B. | In which the longest parameter of valve is not less than 20 times the widest part of the valve |
| C. | In which the valve steam operates linearly |
| D. | One in which the flow is directly proportional to the valve lift |
| E. | None of the above |
| Answer» E. None of the above | |
| 676. |
Carbon tool steel are broadly classified into two categories as |
| A. | hard and soft |
| B. | warping and non-warping |
| C. | Parting off |
| D. | water hardening and oil hardening |
| E. | hard and brittle |
| Answer» E. hard and brittle | |
| 677. |
Sweep patterns are used for |
| A. | Tiny objects |
| B. | Objects of circular shapes |
| C. | Elliptical objects |
| D. | Rectangular objects |
| E. | Irregularly shaped objects |
| Answer» C. Elliptical objects | |
| 678. |
The type of bearing suitable for high temperature applications where lubrication is impossible and where corrosion or chermical action limits choice of material, would be |
| A. | Carbon graphite bearing |
| B. | Needle bearing |
| C. | Aluminium bearing |
| D. | Cast iron bearing |
| E. | Jewel bearing |
| Answer» B. Needle bearing | |
| 679. |
Discontinuous chip in ductile material is produced because of |
| A. | Insufficient cooling |
| B. | Sharp cutting edge |
| C. | Sintering |
| D. | Low friction |
| E. | Large rake angle |
| Answer» B. Sharp cutting edge | |
| 680. |
The facting sand used in foundry generally consists of |
| A. | Alumina, clay and silica |
| B. | Aluminium and silica |
| C. | Silica and clay |
| D. | Alumina and clay |
| E. | Silica and binder |
| Answer» D. Alumina and clay | |
| 681. |
Which of the following is not true for diamond? |
| A. | Parting off |
| B. | If the hardest substance known |
| C. | Expensive to be shaped |
| D. | It is ductile |
| E. | It is also used as a cutting tool |
| Answer» E. It is also used as a cutting tool | |
| 682. |
For cylindrical grinding the peripheral speed will be of the order of |
| A. | 800 m/min |
| B. | 180 m/min |
| C. | 9000 m/min |
| D. | 18000 m/min |
| E. | 1800 m/min |
| Answer» F. | |
| 683. |
Solder contains |
| A. | Lead and tin |
| B. | Lead and silver |
| C. | Silver and nickel |
| D. | Nickel and lead |
| E. | Tin and silver |
| Answer» B. Lead and silver | |
| 684. |
A swab is |
| A. | A tool used in foundry for moistening the sand |
| B. | A pneumatic tools |
| C. | A tool used in foundry for repairing the mould |
| D. | A tool used in foundry for smoothening the mould |
| E. | A tool used on shaper |
| Answer» B. A pneumatic tools | |
| 685. |
In power presses bolster plate is used to |
| A. | Parting off |
| B. | mount the press tool |
| C. | cut the edges |
| D. | eject the pressed component |
| E. | position the piece |
| Answer» C. cut the edges | |
| 686. |
Thermocouples are generally used for accurate temperature measurement upto |
| A. | 1000?C |
| B. | 200?C |
| C. | 100?C |
| D. | 1600?C |
| E. | 500?C |
| Answer» E. 500?C | |
| 687. |
Ablation mechanism is used in which of the following machining process? |
| A. | Water jet machining |
| B. | Chemical machining |
| C. | Laser beam machining |
| D. | Ultrasonic machining |
| E. | Electron beam machining |
| Answer» C. Laser beam machining | |
| 688. |
Railway rails are generally made of |
| A. | Mild steel |
| B. | Alloys steel containing 0.8 to 0.9% carbon |
| C. | High carbon steel |
| D. | Medium carbon steel |
| E. | Deam mild steel |
| Answer» C. High carbon steel | |
| 689. |
Angle plate is |
| A. | Used for measurement of angles |
| B. | Used for cutting angles on jobs on shaper |
| C. | Used for holding angular jobs in milling machine. |
| D. | Cast iron jig used to hold work in a vertical position of layout or machining |
| E. | None of above |
| Answer» B. Used for cutting angles on jobs on shaper | |
| 690. |
The cutting tool is |
| A. | Goose neck tool |
| B. | Parting tool |
| C. | Threading tool |
| D. | Boring tool |
| E. | Drilling tool |
| Answer» C. Threading tool | |
| 691. |
A photo-electric device in which the resistance of the metal changes directly proportional to the ligh striking on it is known as |
| A. | Photo-cell |
| B. | Photo-emission |
| C. | Photo-voltaic cell |
| D. | Photo-conductive cell |
| E. | None of the above |
| Answer» E. None of the above | |
| 692. |
Abrasive GC indicates |
| A. | White Al2O3 |
| B. | Parting off |
| C. | Al2O3 |
| D. | Green grit SiC |
| E. | SiC |
| Answer» E. SiC | |
| 693. |
Hardness tester used for determining the hardness of a core is bearly identical to which of the following? |
| A. | Vickers hardness tester |
| B. | Rockwell hardness tester |
| C. | Brinell hardness tester |
| D. | Shore's scleroscope |
| E. | Parting off |
| Answer» D. Shore's scleroscope | |
| 694. |
True centrifugal casting is used to |
| A. | Get accurate castings |
| B. | Get chilled castings |
| C. | Get dynamically balanced castings |
| D. | Get statistically balanced castings |
| E. | Cast objects symmetrical about an axis |
| Answer» F. | |
| 695. |
Back rake angle while turning brass is |
| A. | 5? |
| B. | 10? |
| C. | Parting off |
| D. | 22? |
| E. | 0? |
| Answer» F. | |
| 696. |
Spot facing is |
| A. | Localised machining of a component |
| B. | None of above |
| C. | A spot prepared on shaper or milling machine |
| D. | Machining of a spot to fit other parts |
| E. | Mahining of spol on the surface of a part to furnish a flat bearing or the head of a holt or nut |
| Answer» F. | |
| 697. |
Which of the following is gear finishing process? |
| A. | Gear lapping |
| B. | Gear shaving |
| C. | Gear grinding |
| D. | All of the above |
| E. | None of the above |
| Answer» E. None of the above | |
| 698. |
A plug gauge is used for measuring |
| A. | Spherical holes |
| B. | None of above |
| C. | Screw threads |
| D. | Cylindrical bores |
| E. | Taper bores |
| Answer» E. Taper bores | |
| 699. |
Point angle of 135 to 150? is used on drills while drilling |
| A. | hard steels |
| B. | nickel alloys |
| C. | thin sheet metals |
| D. | Any of the above |
| E. | Parting off |
| Answer» E. Parting off | |
| 700. |
In case of turning or milling, the surface roughness is expected to be in the range ( |
| A. | 20 to 50 |
| B. | 5 to 15 |
| C. | 50 to 100 |
| D. | 100 to 250 |
| E. | 250 to 500 |
| Answer» E. 250 to 500 | |