- 1(current)
Q. No.The efficiency of an ideal heat engine (Carnot heat engine) working between the freezing point and boiling point of water is:
| 1. | \(26.8\%\) | 2. | \(20\%\) |
| 3. | \(6.25\%\) | 4. | \(12.5\%\) |
Subtopic: Carnot Engine |
78%
Level 2: 60%+
NEET - 2018
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A Carnot engine whose sink is at \(300~\text{K}\) has an efficiency of \(40\%.\) By how much should the temperature of the source be increased to increase its efficiency by \(50\%\) of its original efficiency?
| 1. | \(275~\text{K}\) | 2. | \(325~\text{K}\) |
| 3. | \(250~\text{K}\) | 4. | \(380~\text{K}\) |
Subtopic: Carnot Engine |
64%
Level 2: 60%+
AIPMT - 2006
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An ideal gas heat engine operates in a Carnot cycle between 227ºC and 127ºC. It absorbs 6 × 104 cals of heat at higher temperatures.
The amount of heat converted to work will be?
1. 4.8 × 104 cals
2. 2.4 × 104 cals
3. 1.2 × 104 cals
4. 6 × 104 cals
Subtopic: Carnot Engine |
74%
Level 2: 60%+
AIPMT - 2005
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- 1(current)
Q. No.
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