Heg Ltd Interview Questions And Answers

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Objective type questions in written exam test of Heg Ltd

1 → Questins : The two factors mentioned below help the brain locate the distance and direction of the source of a sound:

1. Sound reaches the two ears with a slight time gap. The brain has learned to calculate the distance and direction of the source of a sound based on this time difference.
2. For certain wavelengths (less than 30 cm), our head blocks the sound from reaching the farther ear!


Now answer questions 21 and 22.

It is known that sounds travels FASTER in water than in air. An undersea diver is trying to locate a loud sound originating from under the water. His ability to locate the sound accurately will be:

Option a> : better than on land
Option b> : as good as on land
Option c> : worse than on land
Option d> : (he would be unable to hear the sound underwater)

2 → Questins : The two factors mentioned below help the brain locate the distance and direction of the source of a sound:

1. Sound reaches the two ears with a slight time gap. The brain has learned to calculate the distance and direction of the source of a sound based on this time difference.
2. For certain wavelengths (less than 30 cm), our head blocks the sound from reaching the farther ear!


Now answer questions 21 and 22.

We can normally hear sounds in the 20 Hz - 20 kHz range. For which of these frequencies of sound would factor 2 mentioned above be relevant?

Option a> : 20 Hz
Option b> : 200 Hz
Option c> : 800 Hz
Option d> : 2000 Hz

3 → Questins : The picture below shows an underwater plant.

[3BA_23_q.jpg]

The leaves of underwater plants mostly do not have stomata on the surface. What could be the reason for this?

Option a> : Guard cells of the stomatal openings burst under the pressure of surrounding water.
Option b> : Cells underneath the epidermis would suffocate if there were any stomata present.
Option c> : As there is very little water loss from submerged leaves, there is no need for stomata.
Option d> : Underwater plants do not need to exchange gases for respiration and photosynthesis.

4 → Questins : Bathroom geysers usually have a small bulb or LED to indicate that they are on. If the LED of a geyser is damaged, which of these facts could an electrician use to check if the geyser is working?

Option a> : Fans in nearby rooms turn a bit faster when the geyser is just switched on.
Option b> : Lights dim a bit when the geyser is switched on, but only momentarily.
Option c> : Lights dim a bit and stay dimmed while the geyser is switched on.
Option d> : Lights brighten a bit and stay lit brighter while the geyser is on.

5 → Questins : The figure shows an effect of reduced production of hormone erythropoietin by the kidney on bone function. Which of these disorders would definitely result because of such a reduced kidney function?

[3BA_25_q.jpg]

Option a> : diabetes
Option b> : anaemia
Option c> : hypertension
Option d> : goiter

6 → Questins : Two water proof boxes of the SAME WEIGHT but different sizes are suspended at each end of a scale.

[3BA_26_q.jpg]

What will happen if both boxes are now immersed in water as shown?

Option a> : The two boxes will still be balanced
Option b> : The bigger box will go up
Option c> : The bigger box will go down
Option d> : The bigger box will first go down and then come up.

7 → Questins : Given here is a simplified household circuit.

[3BA_27_q.jpg]

If the heater is on, which of the following can ALSO be used without the fuse blowing?

Option a> : The refrigerator and the 100 W bulb
Option b> : The 60 W bulb
Option c> : The TV and the fan
Option d> : None of the others can be switched on

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