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- Question
The distillation carried out in such a way that the liquid with the lowest boiling point is first evaporated and recondensed, then the liquid with the next higher boiling point is then evaporated and recondensed, and so on until all the available liquid fuels are separately recovered in the sequence of their boiling points. Such a process is called
Options- A. cracking
- B. carbonisation
- C. fractional distillation
- D. full distillation
- Correct Answer
- fractional distillation
- 1. Hot piercing is extensively used for making bolts and nuts.
Options- A. Yes
- B. No Discuss
- 2. A Francis turbine is an outward flow reaction turbine.
Options- A. True
- B. False Discuss
- 3. The negative acceleration is called retardation.
Options- A. True
- B. False Discuss
- 4. When the spring of a watch is wound, it will possess
Options- A. strain energy
- B. kinetic energy
- C. heat energy
- D. electrical energy Discuss
- 5. An alloy of copper, tin and zinc is known as
Options- A. brass
- B. bronze
- C. gun metal
- D. muntz metal Discuss
- 6. In electro-chemical machining, the gap between the tool and work is kept as
Options- A. 0.1 mm
- B. 0.25 mm
- C. 0.4 mm
- D. 0.75 mm Discuss
- 7. The pressure of steam at throat of a steam nozzle is called critical pressure.
Options- A. Agree
- B. Disagree Discuss
- 8. Which part of the automobile tyre is subjected to greatest flexing action?
Options- A. Bead
- B. Side wall
- C. Shoulder
- D. Tread Discuss
- 9. Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration.
Options- A. upwards
- B. downwards Discuss
- 10. Parson's reaction turbine is a __________ reaction turbine.
Options- A. 40 percent
- B. 50 percent
- C. 60 percent
- D. 70 percent Discuss
More questions
Correct Answer: No
Correct Answer: False
Correct Answer: True
Correct Answer: strain energy
Correct Answer: gun metal
Correct Answer: 0.75 mm
Correct Answer: Agree
Correct Answer: Side wall
Correct Answer: upwards
Correct Answer: 50 percent
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