Question
Rod of which of the following metal is used in nuclear
reactors to slow down the speed of the neutrons?Solution
Control rods are rods, plates, or tubes containing a neutron absorbing materialsuch as boron, hafnium, cadmium, etc., used to control the power of a nuclear reactor.Control rods are used in a reactor to maintain the multiplication factor of the neutrons so as to ensure a safe operation of the reactor.Â
In the question below, a sentence is given which has a blank, meaning something has been omitted. From the options below, choose the correct combinatio...
In the question below, a conjunction is given that can be used to connect two sentences. You are provided with three pairs of sentences. Identify which...
(A) developing renewable energy sources
(B) is a key step towards reducing greenhouse gas emissions
(C) their lower environmental impact c...
In the question below, a sentence is given which has a blank, meaning something has been omitted. From the options below, choose the correct combinatio...
Ramesh lost the favour of his master. He was dismissed from his high offices. Â
(I) Dismissing him Â
(II) Having lost Â
(III) Losing his
Select the phrase(s) from the given three options which can be used to form a single sentence from the two sentences given below, implying the same mean...
In each of the following questions, three statements are given. For each question, three starters are also given which can be used to integrate all thr...
Select the phrase(s) from the given three options which can be used to form a single sentence from the two sentences given below, implying the same mean...
In the question given below, a sentence is given with three blanks. Choose the correct combination of blanks that fit in the corresponding blanks. In t...
You're walking on thin ice by continuing to come in late. If the boss notices, you'll be fired.