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.
| 101. |
Which one of the following materials will have lowest cutting speed? |
| A. | High carbon steel |
| B. | Mild steel |
| C. | Bronze |
| D. | Brass |
| E. | Aluminium |
| Answer» B. Mild steel | |
| 102. |
In automatic control systems a good control is |
| A. | One that is automatically controlled |
| B. | One that gives high operating efficiency |
| C. | One that gives good results |
| D. | One that gives maximum production |
| E. | One that has minimum deviation following a disturbance |
| Answer» F. | |
| 103. |
Plug welded joints are used |
| A. | For welding at selected spots only |
| B. | For jobs carrying shear stress |
| C. | For jobs of dissimilar materials |
| D. | To join two pieces of metal in the same manner as riveted joint metals |
| E. | To join a circular metal with a flat job |
| Answer» E. To join a circular metal with a flat job | |
| 104. |
Shatter test is conducted to measure |
| A. | Toughness of sand |
| B. | Toughness of core |
| C. | Toughness of pattern |
| D. | Toughness of mould |
| E. | Toughness of casting |
| Answer» B. Toughness of core | |
| 105. |
Glazing of grinding wheels is easily identified by |
| A. | Shiny sppearance on the face of the wheel |
| B. | black spots on the grinding face |
| C. | formation of cavities on the wheel |
| D. | None of the above |
| E. | Parting off |
| Answer» B. black spots on the grinding face | |
| 106. |
CO2 sand is used |
| A. | for low temperature alloys |
| B. | for non-ferrous castings |
| C. | Parting off |
| D. | for producing hard surface around the mould |
| E. | for mass production of castings |
| Answer» E. for mass production of castings | |
| 107. |
While drilling on marble, the point angle should be |
| A. | 10? |
| B. | 120? |
| C. | 80? |
| D. | 112? |
| E. | 118? |
| Answer» D. 112? | |
| 108. |
Match plate pattern is used in |
| A. | Greens and moulding |
| B. | Pillar moulding |
| C. | Bench moulding |
| D. | Machine moulding |
| E. | Pit moulding |
| Answer» E. Pit moulding | |
| 109. |
Generally rubber, leather, fibre etc. are blanked by the process of |
| A. | drinking |
| B. | broaching |
| C. | notching |
| D. | lancing |
| E. | Parting off |
| Answer» B. broaching | |
| 110. |
The advantage of electro chemical machining is |
| A. | There is virtually no wear of the tool |
| B. | No burrs are produced |
| C. | The rate of metal removal does not depend on the physical properties of the metal |
| D. | The surface produced is free from mechanical stresses |
| E. | All of the above |
| Answer» F. | |
| 111. |
Which of the following is the best method for drilling, 1 mm hole in glass? |
| A. | Laser drilling |
| B. | Garbide tipped drilling |
| C. | Plasma arc drilling |
| D. | Ultrasonic machining |
| E. | Electron beam drilling |
| Answer» E. Electron beam drilling | |
| 112. |
Goose neck tools are used on |
| A. | Grinders |
| B. | Planers |
| C. | Capstan lathes |
| D. | Wood working lathes |
| E. | Milling machines |
| Answer» C. Capstan lathes | |
| 113. |
A tool signature, the nose radius is indicated |
| A. | In the middle |
| B. | Second from end |
| C. | Second position |
| D. | In the first position |
| E. | In the last position |
| Answer» F. | |
| 114. |
The cutting edges of a twist drill are known as |
| A. | Flanks |
| B. | Wedges |
| C. | Flutes |
| D. | Lips |
| E. | None of the above |
| Answer» E. None of the above | |
| 115. |
Draft or taper allowance in patterns is provided on |
| A. | All vertical surfaces of the pattern |
| B. | All round surfaces of pattern |
| C. | All sides of patterns |
| D. | All corners of the pattern |
| E. | All horizontal surfaces of the pattern |
| Answer» B. All round surfaces of pattern | |
| 116. |
The advantage of laser beam machining is |
| A. | High production rates |
| B. | Minimum heat affected zone |
| C. | Dissimilar metals can be welded |
| D. | Precise operation |
| E. | All of the above |
| Answer» F. | |
| 117. |
In which of the following welding process the transfer of metal from the electrode occurs due to molecular attraction? |
| A. | Metallic arc welding |
| B. | Thermit welding |
| C. | Thermit welding |
| D. | DC arc welding |
| E. | None of the above |
| Answer» B. Thermit welding | |
| 118. |
In wire cut EDM the electrode is |
| A. | Parting off |
| B. | a thin wire |
| C. | a copper bar |
| D. | a thin sheet |
| E. | a tungsten plate |
| Answer» C. a copper bar | |
| 119. |
A twist drill is specified by |
| A. | The size of hole it can drill |
| B. | A number specifying hole size |
| C. | A letter of alphabet |
| D. | Any of the above |
| E. | None of above |
| Answer» E. None of above | |
| 120. |
In Rockwell hardness test the hardness is measured by |
| A. | The width of depression |
| B. | The depth of depression |
| C. | Diameter of depression |
| D. | None of the above |
| E. | None of the above |
| Answer» C. Diameter of depression | |
| 121. |
Brown and sharpe taper is generally used in |
| A. | Lathes |
| B. | Shapers |
| C. | Drills |
| D. | Milling machines |
| E. | Broaching machines |
| Answer» E. Broaching machines | |
| 122. |
When silicon is added in the cast iron 13-17 percent is given an alloy which is |
| A. | It is not possible to have such high percentage of silicon |
| B. | Very soft |
| C. | Easily machinable |
| D. | Acid and corrosion resistant |
| E. | Powder casted |
| Answer» D. Acid and corrosion resistant | |
| 123. |
All of the following are used for oblique cutting EXCEPT |
| A. | Parting off |
| B. | Slotting cutter |
| C. | Drills |
| D. | Milling cutters |
| E. | Lathe tools |
| Answer» C. Drills | |
| 124. |
Gang milling is |
| A. | Process in which two or more cutters are used simultangeously |
| B. | High speed milling |
| C. | Milling operation combined with turning |
| D. | Process of cutting gears |
| E. | Milling process for generating hexagonal surfaces |
| Answer» B. High speed milling | |
| 125. |
While specifying a grinding wheel, which of the following is the optional specification? |
| A. | Structure |
| B. | Gram size |
| C. | Grade |
| D. | Type of bond |
| E. | Parting off |
| Answer» B. Gram size | |
| 126. |
Hack-saw blades having the number of teeth as given below are available. Which one would you chose for cutting brass |
| A. | 18 teeth per inch |
| B. | 14 teeth per inch |
| C. | 31 teeth per inch |
| D. | 40 teeth per inch |
| E. | 24 teeth per inch |
| Answer» F. | |
| 127. |
Which of the following statements correct? |
| A. | Rockwell scale B in used for hard metals |
| B. | Rockwell scale C is used for hard metals |
| C. | Rockwell scale C is used for soft metals |
| D. | Rockwell scale A is used for hard metals |
| E. | None of the above |
| Answer» C. Rockwell scale C is used for soft metals | |
| 128. |
A fly cutter is used on |
| A. | Metal spinning lathe |
| B. | Capstan lathe |
| C. | Lathe |
| D. | Shaper |
| E. | Milling machines |
| Answer» F. | |
| 129. |
Which one of the following materials will have highest cutting speed? |
| A. | Bronze |
| B. | Aluminium |
| C. | Brass |
| D. | Cast iron |
| E. | Tool steel |
| Answer» C. Brass | |
| 130. |
Carbon content of grey iron is generally |
| A. | 1 - 2 percent |
| B. | 3-3.5 percent |
| C. | 2.5-3 percent |
| D. | 4.5 percent |
| E. | 2-2.5 percent |
| Answer» C. 2.5-3 percent | |
| 131. |
The back rake angle of HSS single point cutting too will be zero while machining |
| A. | Hard materials |
| B. | Cast iron with high carbon percentage |
| C. | Mild steel without collant |
| D. | Brass |
| E. | Brittle materials |
| Answer» E. Brittle materials | |
| 132. |
Gear cutters are specified by |
| A. | cutter number |
| B. | cutter diameter |
| C. | no. of teeth |
| D. | Any of the above |
| E. | Parting off |
| Answer» B. cutter diameter | |
| 133. |
Electronic components are often joined by |
| A. | Sport welding |
| B. | Seam welding |
| C. | Brazing |
| D. | Adhesive |
| E. | Soldering |
| Answer» F. | |
| 134. |
The value of coefficient of friction expected in case of brake lining of steel wheel drum is |
| A. | 0.1 to 0.3 |
| B. | 1 |
| C. | 0.1 |
| D. | 0.8 to 0.95 |
| E. | 0.4 to 0.5 |
| Answer» F. | |
| 135. |
Which of the following is located within the bolster? |
| A. | Cushion |
| B. | Ram |
| C. | Bed plate |
| D. | All of the above |
| E. | Parting off |
| Answer» B. Ram | |
| 136. |
The included angle of a lathe centre is generally |
| A. | 45? |
| B. | 30? |
| C. | 60? |
| D. | 22 |
| E. | 15? |
| Answer» D. 22 | |
| 137. |
Which of the following material is cut at the lowest cutting speed? |
| A. | Aluminium |
| B. | Brass |
| C. | Mild steel |
| D. | Copper |
| E. | High carbon steel |
| Answer» F. | |
| 138. |
The tool signature comprises |
| A. | 6 elements |
| B. | 7 elements |
| C. | 5 elements |
| D. | 8 elements |
| E. | 9 elements |
| Answer» C. 5 elements | |
| 139. |
Steady rest is |
| A. | Used during thready cutting only |
| B. | Used when a lathe is not provided with foundations |
| C. | Used while turning unsymmetrical objects |
| D. | An additional support provided for long jobs |
| E. | Used when a lathe is subject to vibrations |
| Answer» E. Used when a lathe is subject to vibrations | |
| 140. |
Sintered tungsten carbides can be machined by |
| A. | Electro machining process |
| B. | Explosive forming |
| C. | Grinding only |
| D. | Diamond tools only |
| E. | Conventional processes |
| Answer» B. Explosive forming | |
| 141. |
For welding of non-ferrous materials which of the following is preferred? |
| A. | Microwave frequency voltage |
| B. | Low frequency ac |
| C. | High frequency ac |
| D. | Direct current |
| E. | Induction heating |
| Answer» E. Induction heating | |
| 142. |
Two 12 mm plates are to are welded with the help of a 8 gauge electrode. What will be the current requirement |
| A. | 75 amps |
| B. | 100 amps |
| C. | 125 amps |
| D. | 130 amps |
| E. | 150 amps |
| Answer» F. | |
| 143. |
The grain size of moulding sand is expressed in terms of |
| A. | Mean grain diameter |
| B. | Seive number |
| C. | Grain diameter |
| D. | Grain density |
| E. | Grain fitness number |
| Answer» F. | |
| 144. |
Ionised material acts as transfer media in case of |
| A. | Ion beam machining |
| B. | Plasma arc machining |
| C. | Electro discharge machining |
| D. | All of the above |
| E. | None of the above |
| Answer» E. None of the above | |
| 145. |
Which of the following process has the lowest rate of metal removal? |
| A. | Electron beam machining |
| B. | Electro discharge machining |
| C. | Abrasive jet machining |
| D. | Electro chemical machining |
| E. | Chemical machining |
| Answer» D. Electro chemical machining | |
| 146. |
Refractory metals are |
| A. | Those which can be cast in the form of bricks |
| B. | Those which reflect heat |
| C. | Those which have melting point above 1950?C |
| D. | Those which absorb heat |
| E. | Those do not malt in a normal furnace |
| Answer» D. Those which absorb heat | |
| 147. |
Kerosene is used as a cutting fluid while machining |
| A. | Magnesium |
| B. | Low carbon steel |
| C. | Copper |
| D. | Brass |
| E. | Aluminium |
| Answer» F. | |
| 148. |
When large number of components are turned and parted off from a bar, the chuck used is |
| A. | Magnetic chuck |
| B. | Four jaw chuck |
| C. | Collet chuck |
| D. | Face place |
| E. | Three jaw chuck |
| Answer» D. Face place | |
| 149. |
Inside and outside diameters of a thin tube are to be measured. Only one of the following tools is to be selected. Which one would you choose? |
| A. | Outside caliper |
| B. | Odd-leg caliper |
| C. | Inside caliper |
| D. | Trammel |
| E. | Vernier caliper |
| Answer» F. | |
| 150. |
Which of the following is the most common bond used in grinding wheels? |
| A. | Shellac bond |
| B. | Pakelite bond |
| C. | Parting off |
| D. | Rubber bond |
| E. | Vitrified bond |
| Answer» F. | |