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. |
Which of the following is a clearance fit? |
| A. | Press fit |
| B. | Force fit |
| C. | Push fit |
| D. | Sliding fit |
| E. | Driving fit |
| Answer» E. Driving fit | |
| 2. |
Cast iron gears are used where |
| A. | Stresses on gear are not high |
| B. | Size of the gear is large |
| C. | High order of accuracy is not desired |
| D. | All of the above |
| E. | None of the above |
| Answer» E. None of the above | |
| 3. |
A rack is a gear of |
| A. | Infinite pitch |
| B. | Infinite number of teeth |
| C. | Infinite diameter |
| D. | Infinite clearance |
| E. | Infinite module |
| Answer» D. Infinite clearance | |
| 4. |
For the measurement of temperature the transduction method could be |
| A. | Capacitive |
| B. | Inductive |
| C. | Electron tube |
| D. | Piezo-electric |
| E. | Resistance |
| Answer» F. | |
| 5. |
Some substances generate voltage when they are subjected to mechanical forces or stresses along specific planes. Such subtances are known as |
| A. | Photo-electric |
| B. | Megneto-electric |
| C. | Thermo-electric |
| D. | Piezo-electric |
| E. | Radio-active |
| Answer» E. Radio-active | |
| 6. |
In shearing operation on a power press, total cutting force depends on |
| A. | sharpness of cutting edge |
| B. | clearance between die and punch |
| C. | angle of shear on die and punch |
| D. | All of the above |
| E. | Parting off |
| Answer» E. Parting off | |
| 7. |
The pouring of molten metal during casting should be stopped when |
| A. | Molten metal rises in the riser |
| B. | Molten metal is exhausted |
| C. | Molten is full |
| D. | Molten metal is seen through the riser |
| E. | Molten metal flows out of the riser |
| Answer» B. Molten metal is exhausted | |
| 8. |
Which hardening process is free from scale formation? |
| A. | Flame hardening |
| B. | Nitriding |
| C. | Cyaniding |
| D. | Induction hardening |
| E. | Parting off |
| Answer» E. Parting off | |
| 9. |
In gas welding using oxygen and acetylene cylinders the pressure of gas is more in |
| A. | Aetylene cylinders |
| B. | Equal in both cylinders |
| C. | Oxygen cylinder |
| D. | 400 - 440 V |
| Answer» E. | |
| 10. |
A right hand tool on lathe machine will cut efficiently while cutting |
| A. | In either direction |
| B. | Grooved jobs |
| C. | From right to left |
| D. | Taper |
| E. | From left to right |
| Answer» D. Taper | |
| 11. |
Cores are used |
| A. | To make castings sound |
| B. | To strengthen mould |
| C. | To get cavity or recess in a casting |
| D. | To get smooth surface on castings |
| E. | In symmetrical casting only |
| Answer» D. To get smooth surface on castings | |
| 12. |
Which of the following operation is not involved in heat treatment of steels |
| A. | Tumbling |
| B. | Cyniding |
| C. | Annealing |
| D. | Normalizing |
| E. | Strain drawing |
| Answer» B. Cyniding | |
| 13. |
In ultrasonic welding the frequency range is generally |
| A. | 80,000 - 800,000 cps |
| B. | 100 - 4000 cps |
| C. | 20,000 - 80,000 cps |
| D. | 800,000 - 5000,000 cps |
| E. | 4000 - 20,000 cps |
| Answer» F. | |
| 14. |
The shears used for making circular cuts are known as |
| A. | Curved shears |
| B. | Straight shears |
| C. | Any of (A) or (B) |
| D. | Parting off |
| Answer» B. Straight shears | |
| 15. |
While cutting double start threads of pitch 2 mm on a lathe, the cutting tool will advance by |
| A. | 4 mm/revolution |
| B. | 2 mm/revolution |
| C. | 1 mm/revolution |
| D. | 8 mm/revolution |
| Answer» C. 1 mm/revolution | |