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- Question
The length of a conical bar is l, diameter of base is d and weight per unit volume is w. It is fixea at its upper end and hanging freely. The elongation of the bar under the action of its own weight will be
Options- A.
- B.
- C.
- D.
- Correct Answer
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- 1. In welding aluminium with TIG arc welding, alternating current is used.
Options- A. Correct
- B. Incorrect Discuss
- 2. German silver contains
Options- A. 1% silver
- B. 2% silver
- C. 5% silver
- D. no silver Discuss
- 3. The taper on the lathe spindle is
Options- A. 1 in 10
- B. 1 in 15
- C. 1 in 20
- D. 1 in 30 Discuss
- 4. In twist fluted drills, chips do not move out automatically.
Options- A. Correct
- B. Incorrect Discuss
- 5. Petrol is distilled at
Options- A. 65° to 220°C
- B. 220° to 345°C
- C. 345° to 470°C
- D. 470° to 550°C Discuss
- 6. Laminar flow __________ place at very low velocities.
Options- A. takes
- B. does not take Discuss
- 7. An overhanging beam must overhang on both sides.
Options- A. Correct
- B. Incorrect Discuss
- 8. The path of the projectile is a parabola.
Options- A. True
- B. False Discuss
- 9. Nichrome contains more iron than Inconel.
Options- A. Agree
- B. Disagree Discuss
- 10. A moving mandrel is used in
Options- A. wiredrawing
- B. tube drawing
- C. metal cutting
- D. forging Discuss
More questions
Correct Answer: Correct
Correct Answer: no silver
Correct Answer: 1 in 20
Correct Answer: Incorrect
Correct Answer: 65° to 220°C
Correct Answer: takes
Correct Answer: Correct
Correct Answer: True
Correct Answer: Agree
Correct Answer: tube drawing
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