MCQOPTIONS
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MCQOPTIONS
This section includes 455 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 451. |
When the molten metal is fed in the cavity of a metallic mould by gravity, the method of casting is known as |
| A. | Die casting method |
| B. | Slush casting method |
| C. | Permanent mould casting method |
| D. | Centrifugal casting method |
| Answer» D. Centrifugal casting method | |
| 452. |
The operation of cutting a sheet of metal in a straight line along the length, is known as |
| A. | Plunging |
| B. | Notching |
| C. | Slitting |
| D. | Forming |
| Answer» D. Forming | |
| 453. |
The current in electric resistance welding can be regulated by |
| A. | Varying the input supply |
| B. | Changing the primary turns of the transformer |
| C. | Changing the secondary turns of the transformer |
| D. | Any one of the above |
| Answer» C. Changing the secondary turns of the transformer | |
| 454. |
The type of file used for a wood work is |
| A. | Single cut file |
| B. | Double cut file |
| C. | Rasp cut file |
| D. | Any one of these |
| Answer» D. Any one of these | |
| 455. |
In a four high rolling mill, there are four rolls out of which |
| A. | One is working roll and three are backing up rolls |
| B. | Two are working rolls and two are backing up rolls |
| C. | Three are working rolls and one is backing up roll |
| D. | All of the four are working rolls |
| Answer» C. Three are working rolls and one is backing up roll | |