Heat And Thermodynamics - Study Mode
[#286] Match the following. List-I List-II a. Zeroth Law of Thermodynamics 1. Give us the concept of temperature b. First Law of Thermodynamics 2. Defines internal energy c. Second Law of Thermodynamics 3. Change in internal energy is zero d. In a complete cycle of changes 4. The efficiency of on engine is always less than unity
Correct Answer
(B) a-1, b-2, c-4, d-3
[#287] Ice is packed in saw dust because
Correct Answer
(B) saw dust is poor conductor of heat
[#288] The value of 50°C in Fahrenheit scale is
Correct Answer
(B) 122°F
[#289] Which of the following statements is not true?
Correct Answer
(B) Air-conditioner and Air-cooler both maintain humidity
[#290] What is the boiling point of water?
Correct Answer
(B) 212° Fahrenheit