MCQOPTIONS
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MCQOPTIONS
This section includes 119 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
In rolling arrangement, the velocity of metal and velocity of rolls are same |
| A. | At neutral plane |
| B. | At exit plane |
| C. | At entry plane |
| D. | From entry plane to exit plane |
| Answer» B. At exit plane | |
| 102. |
Hot working of metals refers to which one of the following temperature regions relative to the melting point (Tm) of the given metal on an absolute temperature scale? |
| A. | Room temperature |
| B. | 0.2 Tm |
| C. | 0.4 Tm |
| D. | 0.6 Tm |
| Answer» E. | |
| 103. |
A rectangular hole of size 100 mm × 50 mm is to be made on a 5 mm thick sheet of steel having ultimate tensile strength and shear strength of 500 MPa and 300 MPa, respectively. The hole is made by punching process. Neglecting the effect of clearance, the punching force (in kN) is |
| A. | 300 |
| B. | 450 |
| C. | 600 |
| D. | 750 |
| Answer» C. 600 | |
| 104. |
Collapsible tooth paste tubes are manufactured by |
| A. | Direct extrusion |
| B. | Piercing |
| C. | Impact extrusion |
| D. | Indirect extrusion |
| Answer» D. Indirect extrusion | |
| 105. |
IN_WHICH_OF_THE_FOLLOWING_PROCESS_PLASTIC_DEFORMATION_TAKES_PLACE??$ |
| A. | Hot working |
| B. | Cold working |
| C. | Warm working |
| D. | Rolling |
| Answer» D. Rolling | |
| 106. |
The work involved with the internal shearing process due to non-uniform deformation is?$ |
| A. | Ideal work |
| B. | Frictional work |
| C. | Redundant work |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 107. |
In_metal_forming_process_the_hardness_of_the_material?$ |
| A. | Decreases |
| B. | Remains same |
| C. | Increases then decreases |
| D. | Increases |
| Answer» E. | |
| 108. |
Which process got a better dimensional accuracy? |
| A. | Hot working |
| B. | Cold working |
| C. | Warm working |
| D. | Both Hot and Cold working |
| Answer» B. Cold working | |
| 109. |
Warm working is done at a temperature? |
| A. | Above re crystallization temperature |
| B. | Below re crystallization temperature |
| C. | Equal to re crystallization temperature |
| D. | Below re crystallization temperature and above room temperature |
| Answer» E. | |
| 110. |
Which of the following method is commonly used for analyzing metal forming processes? |
| A. | Slab method |
| B. | Upper bound method |
| C. | Slip line method |
| D. | None of the mentioned |
| Answer» B. Upper bound method | |
| 111. |
Which of the following method is used for analyzing metal forming processes? |
| A. | Slab method |
| B. | Upper bound method |
| C. | Slip line method |
| D. | All of the mentioned |
| Answer» E. | |
| 112. |
Which of the following statement is true about cold working? |
| A. | Strain hardening is relieved |
| B. | No oxidation occur |
| C. | Only limited amount of reduction can be done |
| D. | Cost of machining is high |
| Answer» B. No oxidation occur | |
| 113. |
In which of the following process the ductility of material decreases? |
| A. | Hot working |
| B. | Cold working |
| C. | Warm working |
| D. | None of the mentioned |
| Answer» C. Warm working | |
| 114. |
The working temperature of cold working is below a certain temperature. That temperature is known as? |
| A. | Critical temperature |
| B. | Recrystallization temperature |
| C. | Transition temperature |
| D. | None of the mentioned |
| Answer» C. Transition temperature | |
| 115. |
Which of the defect is eliminated by hot working process? |
| A. | Cold shut |
| B. | Misrun |
| C. | Blow holes |
| D. | Fusion |
| Answer» D. Fusion | |
| 116. |
During hot working, the Grain Growth can takes place in which part of the material? |
| A. | Exterior |
| B. | Interior |
| C. | Along the edges |
| D. | Side faces |
| Answer» C. Along the edges | |
| 117. |
In which of the following process no strain hardening is produced? |
| A. | Hot working |
| B. | Cold working |
| C. | Warm working |
| D. | None of the mentioned |
| Answer» B. Cold working | |
| 118. |
If Tm is the melting temperature then in hot working the value of Tm is? |
| A. | .5 Tm |
| B. | .6Tm |
| C. | .4 Tm |
| D. | .7Tm |
| Answer» C. .4 Tm | |
| 119. |
Depending upon the temperature the forming process can be classified as? |
| A. | Hot working |
| B. | Cold working |
| C. | Warm working |
| D. | All of the mentioned |
| Answer» E. | |