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In the given figure, triangle represents kelvin, circle is for Celsius and rectangle is for Fahrenheit, so what portion of Kelvin is neither Fahrenheit nor Celsius?
Shehnaz has to record temperature of a covid-19 patient in Celsius but hard thermometer reads Fahrenheit. The patient's temperature is 100.7° Fahrenheit. What is the temperature in Celsius?
Each question presents a situation and asks you to make a judgement regarding that particular circumstance. Choose an answer based on given information. Arun, Varun and Tarun were performing an experiment in a Chemistry lab. In the experiment they have to mark down the reading for the exam. The reading is displayed only for few seconds on ABC-meter. Each of them watched the reading and remember certain numbers. The reading is of eight digits. Out of all three, if at least two agrees for a digit then that digit must be present in the reading. 1. All three of them agrees that last 3 digits were 754. 2. Varun mentioned that the 5th digit from the left was 7. 3. Tarun and Arun agrees that first two digit from left was 35. 4. Varun and Tarun agrees that 4th digits was average of 3rd and 5th digit from the left. Which of the following would be most likely the reading of the experiment?
The question below consists of a set of labelled sentences in which first and the last sentence is given. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph. S1- Reading books has a lot of psychological benefits. P- It is helpful for gaining lots of knowledge and information but reading a good book is healthier for our brain and a completely different experience. Q- When it comes to reading, most of us these days are addicted to reading online blogs, articles, stories and tweets. R- Those who have a habit of reading are aware of the pleasure and value of reading books then.  S- They know its magic and power that renders knowledge and makes one wiser.  S6- It does wonder for our brains as it is the activity that helps us focus. Reading is the best exercise for your brains.
A centigrade and Fahrenheit thermometers are dipped in boiling water. The water temperature is lowered until the Fahrenheit thermometer registers 140°. What is the fall in temperature registered by the centigrade thermometer?
Two rods A and B of the same length and diameter protrude from a surface at 120 degree Celsius and are exposed at air at 25 degree Celsius. The temperatures measured at the end of the rods are 50 degree Celsius and 75 degree Celsius. If thermal conductivity of material A is 20W/ m K, calculate it for B
A 2 cm thick steel slab heated to 525 degree Celsius is held in air stream having a mean temperature of 25 degree Celsius. Estimate the time interval when the slab temperature would not depart from the mean value of 25 degree Celsius by more than 0.5 degree Celsius at any point in the slab. The steel plate has the following thermal physical properties Density = 7950 kg/m3 C P = 455 J/kg K K = 46 W/m K
The rear window of an automobile is made of thick glass i.e. AB = 5 mm and thermal conductivity is 0.8 W/m degree. To defrost this window, a thin transparent film type heating element has been fixed to its inner surface. For the conditions given below, determine the electric power that must be provided per unit area of window if a temperature 5 degree Celsius is maintained at its outer surface. Interior air temperature and the corresponding surface coefficient are 20 degree Celsius and 12 W/m2 degree. Surrounding air temperature and the corresponding surface coefficient are – 15 degree Celsius and 70 W/m2 degree. Electric heater provides uniform heat flux
A body cooling from 80 degree Celsius to 70 degree Celsius takes 10 minutes when left exposed to environmental conditions. If the body is to cool further from 70 degree Celsius to 60 degree Celsius under the same external conditions, it will take
In a food processing plant, a brine solution is heated from – 12 degree Celsius to – 65 degree Celsius in a double pipe parallel flow heat exchanger by water entering at 35 degree Celsius and leaving at 20.5 degree Celsius. Let the rate of flow is 9 kg/min. Estimate the area of heat exchanger for an overall heat transfer coefficient of 860 W/m2 K. For water c P = 4.186 * 10 3 J/kg K