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.
| 251. |
Fine sand is used for preparing the moulds for |
| A. | Symmetrical castings |
| B. | Large castings |
| C. | Small castings |
| D. | Non-ferrous castings |
| E. | Centrifugal castings |
| Answer» D. Non-ferrous castings | |
| 252. |
Kind of tools used to undercut corners on a job that is to be hardened and ground is |
| A. | Vee shaped tool |
| B. | Form tool |
| C. | Knurling tool |
| D. | Roundnose tool |
| E. | Parting tool |
| Answer» E. Parting tool | |
| 253. |
Relief angle on HSS tools usually vary from |
| A. | 11 to 15? |
| B. | 22 to 27? |
| C. | 16 to 150? |
| D. | 28 to 30? |
| E. | 3 to 10? |
| Answer» F. | |
| 254. |
Which one of the following is supposed to be least accurate? |
| A. | Surface plate |
| B. | Air gauge |
| C. | Optical projector |
| D. | Vernier micrometer |
| E. | Steel scale |
| Answer» F. | |
| 255. |
Which one of the following measuring instruments is supposed to be most accurate? |
| A. | Micrometer |
| B. | Vernier dial gauge |
| C. | Optical projector |
| D. | Steel scale |
| E. | Vernier caliper |
| Answer» D. Steel scale | |
| 256. |
Which process is used for manufacturing the body of a carburettor? |
| A. | Die casting |
| B. | Fine sand casting |
| C. | Electro forming |
| D. | Sintering |
| E. | Metal spraying |
| Answer» B. Fine sand casting | |
| 257. |
The silver point temperature is |
| A. | 760?C |
| B. | 1500.5?C |
| C. | 500?C |
| D. | 960.5?C |
| E. | 1100.5?C |
| Answer» E. 1100.5?C | |
| 258. |
A Bourdon tube is generally made of |
| A. | Monel metal |
| B. | Beryllium copper alloy |
| C. | Phosphor bronze |
| D. | Stainless steel |
| E. | Any of the above |
| Answer» F. | |
| 259. |
If a drill has different lengths of cutting edges |
| A. | Cutting edge will be over size |
| B. | The drilled hole will be rough |
| C. | The drilled hole will not be circular |
| D. | The drilled hole will be smooth |
| E. | Cutting edge will become blunt rapidly |
| Answer» F. | |
| 260. |
Spiral flutes are provided on drill bits to |
| A. | Help from the cutting edge of the drill point |
| B. | Curl the chip tightly for easier removal |
| C. | Provide passage for coolant supply |
| D. | All of the above |
| E. | None of the above |
| Answer» E. None of the above | |
| 261. |
A hot chisel is one which is |
| A. | Spherical surfaces |
| B. | None of these |
| C. | Used to cut cold materials |
| D. | Used to cut red hot materials |
| E. | Red hot |
| Answer» E. Red hot | |
| 262. |
With HSS tools the maximum safe operating temperature is of the order of |
| A. | 200?C |
| B. | 440?C |
| C. | 640?C |
| D. | 540?C |
| E. | 340?C |
| Answer» E. 340?C | |
| 263. |
Marform is |
| A. | Is a foming process on lathe in which movement of tool is neither governed by cross slide nor by compound slide |
| B. | A work holding device in which plane of rotation can be changed while working |
| C. | A darwing process that forms metal sheet by using a movable steel punch and a rubber headed ram |
| D. | Is a forming tool and on lathe machine to generate spherical surfaces |
| E. | Is a gauge used to check regular surfaces |
| Answer» D. Is a forming tool and on lathe machine to generate spherical surfaces | |
| 264. |
Panes are used |
| A. | Make the timber surfaces uniform and smooth |
| B. | Making holes in the Timber piece |
| C. | Chamfering the edges |
| D. | Parting off |
| E. | Measure the dimensions |
| Answer» B. Making holes in the Timber piece | |
| 265. |
Which of the following is a chipless machining process? |
| A. | Metal spinning |
| B. | Knurling |
| C. | Hobbing |
| D. | Lapping |
| E. | None of the above |
| Answer» B. Knurling | |
| 266. |
Plastic gears are used in |
| A. | Toys |
| B. | Instruments |
| C. | Low load applications |
| D. | Low noise applications |
| E. | Any of the above |
| Answer» F. | |
| 267. |
Chisels for metal cutting are |
| A. | Hardened in the middle |
| B. | Hardened at cutting edge |
| C. | Hardened all over |
| D. | Hardened at random |
| E. | Never hardened |
| Answer» D. Hardened at random | |
| 268. |
Burr is |
| A. | Boundary between finished and unifinished portion on a work piece |
| B. | Sharp edge remaining on the metal after curring, stamping or machining |
| C. | A marking or work piece to identify for correct position on a work piece |
| D. | Burnt surface of a casting |
| E. | Unmachined portion of work piece |
| Answer» C. A marking or work piece to identify for correct position on a work piece | |
| 269. |
Dielectric is essentially required in |
| A. | CLM process |
| B. | PMF process |
| C. | EMP process |
| D. | EDM process |
| E. | ECM process |
| Answer» E. ECM process | |
| 270. |
While machining a brass casting on a lathe, the type of chuck used is |
| A. | Face plate |
| B. | Collect chuck |
| C. | Four jaw chuck |
| D. | Three jaw chuck |
| E. | Magnetic chuck |
| Answer» D. Three jaw chuck | |
| 271. |
Choose incorrect statement. With increasing cutting speed |
| A. | machining cost decreases |
| B. | tool cost increases |
| C. | total cost decreases |
| D. | None of the above |
| E. | Parting off |
| Answer» D. None of the above | |
| 272. |
Which variety of copper has the highest purity? |
| A. | Best select copper |
| B. | Parting off |
| C. | High conductivity copper |
| D. | Arsenical copper |
| E. | Deoxidised copper |
| Answer» D. Arsenical copper | |
| 273. |
During soldering operation, the main function of solder iron is to |
| A. | Heat the metals to be jointed |
| B. | Heat the solder |
| C. | Heat the flux |
| D. | Remove impurities |
| E. | All of the above |
| Answer» C. Heat the flux | |
| 274. |
Which of the following process provides continuous welds between two sheets? |
| A. | Projection welding |
| B. | Spot welding |
| C. | Seam welding |
| D. | All of the above |
| E. | Parting off |
| Answer» D. All of the above | |
| 275. |
For the same capacity which of the following process has the highest capital cost? |
| A. | Laser beam machining |
| B. | Electro chemical machining |
| C. | Electro discharge machining |
| D. | Abrasive jet machining |
| E. | Plasma arc machining |
| Answer» C. Electro discharge machining | |
| 276. |
Magna flux is |
| A. | An instrument using ultrasonic techniques for crack detection |
| B. | An instrument used for precision measurements using magnetism and flux density |
| C. | An instrument used for inspection of weldings |
| D. | A non-destructive inspection technique that makes use of magnetic field and magnetic particles to locate flaw in materials |
| E. | Intensity of X-rays required corresponding to thickness of a job for determination of defects. |
| Answer» E. Intensity of X-rays required corresponding to thickness of a job for determination of defects. | |
| 277. |
A mandrel is |
| A. | Auxiliary chuck used on lathe for holding small loads |
| B. | None of above |
| C. | A tapered gauge used for inspection of tapered holes |
| D. | Is used in lathe work to hold castings |
| E. | A slightly tapered hardened steel shaft that supports works which cannot be supported otherwise |
| Answer» D. Is used in lathe work to hold castings | |
| 278. |
High helix drills are used for deep hole drilling in |
| A. | Aluminium |
| B. | Plastics |
| C. | Rubber (hard) |
| D. | Marble |
| E. | Bakelite |
| Answer» B. Plastics | |
| 279. |
In thermit welding, heat is generated by |
| A. | Combustion of gases |
| B. | Electric arc |
| C. | Reaction of oxygen with metal |
| D. | Chemical reaction involving finely divided aluminium and iron oxide |
| E. | None of the above |
| Answer» E. None of the above | |
| 280. |
The term CLA (Centre Line Average) is used in connection with |
| A. | Surface hardness |
| B. | Stresses in a component |
| C. | Average speed of a gear |
| D. | Surface finish |
| E. | Sharpness of a cutting tool |
| Answer» E. Sharpness of a cutting tool | |
| 281. |
Wipping is the process of |
| A. | Cleaning the welded surface after the welding operation is over |
| B. | Applying flux during welding process |
| C. | Connecting load pipes by soldering alloy |
| D. | Low temperature welding |
| E. | None of the above |
| Answer» D. Low temperature welding | |
| 282. |
Core chaplet is |
| A. | used to provide a supprt to the core |
| B. | a surface coating on core so that core material does not fuse with the casting |
| C. | Parting off |
| D. | a core dressing operation |
| E. | used to make core surface smooth |
| Answer» B. a surface coating on core so that core material does not fuse with the casting | |
| 283. |
Drilling operation is an example of |
| A. | Multipoint cutting |
| B. | Simple cutting |
| C. | Oblique cutting |
| D. | Orthogonal cutting |
| E. | None of the above |
| Answer» D. Orthogonal cutting | |
| 284. |
Chisels used for metal cutting are |
| A. | Hardened |
| B. | Annealed |
| C. | Hardened and tempered |
| D. | Annealed, hardened and tempered |
| E. | None of the above |
| Answer» E. None of the above | |
| 285. |
The common ratio for geometrical speeds in geometrical progression lies between |
| A. | 2.0 to 5.0 |
| B. | 5.0 to 10.0 |
| C. | 1.0 to 2.0 |
| D. | 0.1 to 0.5 |
| E. | 0.5 to 0.9 |
| Answer» D. 0.1 to 0.5 | |
| 286. |
An accurate lathe in India is identified as |
| A. | Mark I |
| B. | Grade I |
| C. | Precision I |
| D. | Agmark I |
| E. | Accurate I |
| Answer» C. Precision I | |
| 287. |
Which of the following is a single point cutting tool? |
| A. | Milling cutter |
| B. | File |
| C. | Grinding wheel |
| D. | Parting tool |
| E. | Hacksaw blade |
| Answer» E. Hacksaw blade | |
| 288. |
Indexing for 107 divisions can be done by |
| A. | Angular indexing |
| B. | Simple indexing |
| C. | Differential indexing |
| D. | Compound indexing |
| E. | Compound differential indexing |
| Answer» D. Compound indexing | |
| 289. |
The power consumption in ultrasonic machining in kW/m2/min is of the order of |
| A. | 200 kW/m3/min |
| B. | 1000 kW/m3/min |
| C. | 1 kW/m3/min |
| D. | 10 kW/m3/min |
| E. | 100 kW/m3/min |
| Answer» E. 100 kW/m3/min | |
| 290. |
The efficiency of abrasive particles depends up |
| A. | purity |
| B. | uniformity in composition |
| C. | hardness |
| D. | All of the above |
| E. | Parting off |
| Answer» E. Parting off | |
| 291. |
A silver point is |
| A. | The temperature of equilibrium between solid silver and liquid silver at normal atmospheric pressure |
| B. | The pointed location spot silver plated |
| C. | The temperature of equilibrium between liquid silver and silver vapour at normal atmospheric pressure |
| D. | The point on a instrument dial reading beyond which may be dangerous for the system |
| E. | The temperature at which silver melts |
| Answer» B. The pointed location spot silver plated | |
| 292. |
In order to avoid unscrewing while on a bicycle the shaft or the right padel is screwed in with |
| A. | Right hand thread |
| B. | Left hand thread |
| C. | Hysteresis |
| Answer» E. | |
| 293. |
In rubber bond for grinding wheels, sulphur is added to |
| A. | Parting off |
| B. | act as vulcanising agent |
| C. | reduce shocks and vibrations |
| D. | make the bond flexible |
| E. | dissipate heat during grinding operation |
| Answer» C. reduce shocks and vibrations | |
| 294. |
In EDM the number of discharges perminute may be as high as |
| A. | 3000 |
| B. | 6000 |
| C. | 6,000,000 |
| D. | 60,000 |
| E. | 600,000 |
| Answer» F. | |
| 295. |
Shell sands are coated with |
| A. | molasses |
| B. | urea formaldehyde |
| C. | carbon disulphide |
| D. | Parting off |
| E. | silica grains |
| Answer» C. carbon disulphide | |
| 296. |
In centreless grinding the work piece advances by |
| A. | Force exerted by regulating wheel |
| B. | Remains stationalry |
| C. | Hydraulic force |
| D. | Force exerted by grinding wheel |
| E. | Push given by operator |
| Answer» B. Remains stationalry | |
| 297. |
Swell is a defect in castings due to |
| A. | Enlargement of the mould cavity by metal pressure causing partial or overall enlargement of the casting |
| B. | Working on cooling |
| C. | Moisture in moulding sand |
| D. | Thin projection of casting due to gap between flasks |
| E. | Mis-mathcing of mould at the parting line |
| Answer» B. Working on cooling | |
| 298. |
Discontinuous or segmental chips are formed while machining |
| A. | Mild steel |
| B. | Brass |
| C. | Carbon steel |
| D. | Alloy steel |
| E. | Cast iron |
| Answer» F. | |
| 299. |
Undercutting is |
| A. | An operation of cutting deep grooves |
| B. | None of above |
| C. | An operation of cutting a groove next to a shoulder on a piece of work |
| D. | An operation of cutting extra wide threads |
| E. | Cutting from the base of a work piece |
| Answer» D. An operation of cutting extra wide threads | |
| 300. |
During arc welding eyes need to be protected against |
| A. | Microwaves |
| B. | Infrared and ultraviolet rays |
| C. | Intense glare |
| D. | X-rays and gamma rays |
| E. | High frequency waves |
| Answer» E. High frequency waves | |