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This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Engineering knowledge and support exam preparation. Choose a topic below to get started.
1. |
Match the following1. Seam welding 1.rods and pipes of uniform cross section2. Butt welding 2. Welding satellite tips to tools3. Percussion welding 3. ERWpipesweldingWhich of the following is true? |
A. | 1-3, 2-2, 3-1 |
B. | 1-3, 2-1, 3-2 |
C. | 1-2, 2-3, 3-1 |
D. | 1-2, 2-1,3-3 |
Answer» C. 1-2, 2-3, 3-1 | |
2. |
The followingwelding process is usedtoweldfastener to plateswithout drillingorpunching holes? |
A. | Electroslag welding |
B. | Oxy-acetylene welding |
C. | Butt welding |
D. | Stud welding |
Answer» E. | |
3. |
The process offilling the slurry between the base of machine bed plate and foundation is known as |
A. | filling |
B. | pouring |
C. | fixing |
D. | grouting |
Answer» E. | |
4. |
In erection, the thickness of the bottom plate is kept ___ to the thickness of fillet size |
A. | Half |
B. | Equal |
C. | Double |
D. | 1.5 times |
Answer» C. Double | |
5. |
The concrete mixture of Poor strength is prepared by mixing cement, sand and gravel in proportion of |
A. | 1 : 3 : 6 |
B. | 1 :2 : 4 |
C. | 1 : 5 : 3 |
D. | 1 : 3 : 5 |
Answer» B. 1 :2 : 4 | |
6. |
The work of placing the machine on a foundation and then clamping it by the foundation bolts with the foundation is called |
A. | Installation |
B. | Commissioning |
C. | Erection |
D. | Fitting |
Answer» D. Fitting | |
7. |
Which ofthe following defectsoccurwhen thedeposited metal are notfocused atthe root of weld? |
A. | Inclusion of slay |
B. | Inadequate penetration |
C. | Incomplete fusion |
D. | Porosity |
Answer» C. Incomplete fusion | |
8. |
With an increase in the heatinput of arc welding method, how does it affectthe required current? |
A. | Increases |
B. | Decreases |
C. | Remains same |
D. | No relation |
Answer» B. Decreases | |
9. |
Which ofthe following non destructive testing is used to detect change incomposition of any material? |
A. | Liquid penetration test |
B. | Ultrasonic test |
C. | Eddy current test |
D. | Radiography |
Answer» E. | |
10. |
With an increase in the heatinput of arcwelding method, how does it affectthewelding speed? |
A. | Increases |
B. | Decreases |
C. | Remains same |
D. | No relation |
Answer» C. Remains same | |
11. |
In arc welding, the three elements to be controlled to obtain satisfactory welding operation are |
A. | Current, voltage and speed of travel |
B. | Current, voltage and arc length |
C. | Current, arc length and speedoftravel |
D. | Voltage, arc length and speed oftravel |
Answer» B. Current, voltage and arc length | |
12. |
When two plates are to be joined by keeping their surface at about 90 to one-another |
A. | Lap joint |
B. | Butt Joint |
C. | Tee Joint |
D. | Corner Joint |
Answer» D. Corner Joint | |
13. |
Which of the following defects occur due to scattering of metal around the vicinity of weld? |
A. | Under cut |
B. | Spatter |
C. | Cracking in weld metal |
D. | Cold cracking |
Answer» C. Cracking in weld metal | |
14. |
Which of the following defect is influenced by sulphur and carbon content of weld metals? |
A. | Under cut |
B. | Hot cracking |
C. | Cracking in weld metal |
D. | Cold cracking |
Answer» C. Cracking in weld metal | |