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 the days before the advent of television, the radio brought the family together to listen news, music and drama.
You can cook up (A)/the most wanted criminals all over (B)/the world at Most Wanted, a site that (C)/links up to law enforcement's desired baddies (D).
Read the sentence to find out whether there is any grammatical or idiomatic error in it. The error, if any, will be in one part of the sentence. The le...
With the intervening period having provided a wealth of data points and policy developments, including the momentous roll-out of the Goods and Services ...
Given below is a sentence with or without an error. The error, if any, is in one part of the sentence. Choose the correct part which contains the error...
Given below are four sentences, out of which one sentence is grammatically incorrect. Choose the option which points out the grammatically incorrect sen...
Three conditions (1) / critical for growing (2) / plants are soil, temperature, chemical balance or amount of moisture. (3) / No error (4)
Did you knew that the radio is ranked number two in the list of ‘101’ Gadgets that changed the World’s according to History Channel?
In each of the questions, a sentence has been divided into four parts, one of which may contain an error. Identify that fragment and mark it as your an...
The burglar stole all the money(A)/ in the house but surprisingly missed(B)/ the jewelleries in the locker.(C)/ No error(D)
Relevant for Exams:
