Question
Which of the following principle is used to produce
low-temperatures'?Solution
Magnetic refrigeration is a cooling technology based on the magneto- caloiic effect. This technique can be used to attain extremely low temperatures, as well as the ranges used in common refrigerators, depending on the design of the system. The magneto- caloric effect (MCE, from magnet and calorie) is a magneto-thermodynamic phenomenon in which a change in temperature of a suitable material is caused by exposing the material to a changing magnetic field.
In a certain code language, 'FUTURE' is coded as ‘91’ and ‘MONEY’ is coded as ‘72’. How will 'SECURE' be coded in that language?Â
...Seven people A, B, C, D, E, F and G are sitting around a circular table, facing the centre (but not necessarily in the same order). Exactly three people...
Select the number from among the given options that can replace the question mark (?) in the following series.
11, 19, 35, 59, ? , 131
...If T > H > K > L and V < K > Z = B, then which of the following conclusions is NOT correct?
This question is based on the given words.
ELF PUT HOP JABÂ
In each word, each vowel is replaced by its next letter in the English alph...
In a certain code language, 'MENTOR' is coded as 'EMOUPS' and 'OCTAGON' is coded as 'COUBHPO'. What is the code for 'PENCIL' in the given code language?
i) sitting on the third position on the right side of the F, A is sitting in the second position on the left side.
ii) C is either sitting in ...
From the given option figures, select the one in which the question figure is hidden/embedded.
Read the given statements and conclusions carefully, and decide which of the given conclusions follow(s) based on the given statements.
Statemen...
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