Hindustan Zinc Ltd Interview Questions And Answers

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Hindustan Zinc Ltd MCQ Test2nd Hindustan Zinc Ltd MCQ Test



Objective type questions in written exam test of Hindustan Zinc Ltd

1 → Questins : Neha focused a magnifying glass on to a tissue paper and held it. After a while, the tissue paper caught fire. Identify the statement that provides the correct explanation for this observation.

Option a> : Neha lit the tissue paper.
Option b> : The magnifying glass focuses the heat from the sun’s radiation.
Option c> : The magnifying glass is a good conductor of heat and transmits the heat to the paper.
Option d> : Air is a good conductor of heat and transmits the heat to the paper.

2 → Questins : A body has a mass of 2 kg. When will the mass of the body change?

Option a> : When the body is taken to the moon.
Option b> : When the body is dropped from a height.
Option c> : When the body is being pulled along a smooth surface.
Option d> : The mass of the body will not change unless it is cut or broken.

3 → Questins : Vessel P contains 150 grams of candle wax, while vessel Q contain 3 kilograms of the same material. Both are heated and start melting. Which of the following will be true about the temperature at which the wax just STARTS melting, and the temperature at which the wax melts COMPLETELY?

[372_19_q.jpg,120]

Option a> : A
Option b> : B
Option c> : C
Option d> : D

4 → Questins : Choose the statement that best characterizes Science.

Option a> : Laws and theories once accepted never undergo a change.
Option b> : Laws and theories are based on the beliefs of good scientists.
Option c> : Science is not a set of unchanging ideas - rather it keeps changing and growing.
Option d> : The aim of Science is to improve the living standards of people.

5 → Questins : Bacteria help to make which one of the following?

Option a> : Ice cream
Option b> : Soap
Option c> : Curd
Option d> : Cooking oil

6 → Questins : Identify the chemical change among the following:

Option a> : Mixing sand in water
Option b> : Magnetizing a piece of iron
Option c> : A copper container getting tarnished
Option d> : Evaporation of water

7 → Questins : Here is the picture of an animal called a giant mammoth which is now not found anymore.
[372_23_q.jpg,120]

Replace the underlined words by the correct scientific term.

Option a> : history
Option b> : extinct
Option c> : herbivore
Option d> : Archaeology

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