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. |
The algebraic difference between the minimum limit and the basic size is called |
| A. | actual deviation |
| B. | upper deviation |
| C. | lower deviation |
| D. | fundamental deviation |
| Answer» D. fundamental deviation | |
| 2. |
In sheet metal blanking, shear is provided on punches and dies so that |
| A. | press load is reduced |
| B. | good cut edge is obtained |
| C. | warping of sheet is minimised |
| D. | cut blanks are straight |
| Answer» B. good cut edge is obtained | |
| 3. |
In welding copper alloys with TIG arc welding |
| A. | direct current with straight polarity is used |
| B. | direct current with reversed polarity is used |
| C. | alternating current is used |
| D. | any one of these |
| Answer» B. direct current with reversed polarity is used | |
| 4. |
Thread rolling is restricted to |
| A. | ferrous materials |
| B. | ductile materials |
| C. | hard materials |
| D. | none of these |
| Answer» C. hard materials | |
| 5. |
The temperature at which the new grains are formed in the metal is called |
| A. | lower critical temperature |
| B. | upper critical temperature |
| C. | eutectic temperature |
| D. | recrystallisation temperature |
| Answer» E. | |
| 6. |
The chisel used for cutting key ways is |
| A. | flat chisel |
| B. | cape chisel |
| C. | round nose chisel |
| D. | diamond pointed chisel |
| Answer» C. round nose chisel | |
| 7. |
In a hot chamber die casting machine |
| A. | ferrous alloys with low melting temperature are casted |
| B. | ferrous alloys with high melting temperature are casted |
| C. | non-ferrous alloys with low melting temperature are casted |
| D. | non-ferrous alloys with high melting temperature are casted |
| Answer» D. non-ferrous alloys with high melting temperature are casted | |
| 8. |
Which of the following welding process uses non-consumable electrodes? |
| A. | TIG welding |
| B. | MIG welding |
| C. | Manual arc welding |
| D. | Submerged arc welding |
| Answer» B. MIG welding | |
| 9. |
The draft or taper allowance on casting is generally |
| A. | 1 to 2 mm/m |
| B. | 2 to 5 mm/m |
| C. | 5 to 10 mm/m |
| D. | 10 to 15 mm/m |
| Answer» B. 2 to 5 mm/m | |
| 10. |
In arc welding, the electric arc is produced between the work and the electrode by |
| A. | voltage |
| B. | flow of current |
| C. | contact resistance |
| D. | all of these |
| Answer» D. all of these | |
| 11. |
A taper provided on the pattern for its easy and clean withdrawl from the mould is known as |
| A. | machining allowance |
| B. | draft allowance |
| C. | shrinkage allowance |
| D. | distortion allowance |
| Answer» C. shrinkage allowance | |
| 12. |
The accuracy of micrometers, calipers, dial indicators can be checked by a |
| A. | feeler gauge |
| B. | slip gauge |
| C. | ring gauge |
| D. | plug gauge |
| Answer» C. ring gauge | |
| 13. |
Surface plate is used to check the trueness of flat surfaces. |
| A. | True |
| B. | False |
| C. | - |
| D. | - |
| Answer» B. False | |