Usually helicopters are having a small fan at the rear end, the purpose is;?

Usually helicopters are having a small fan at the rear
end, the purpose is;?

(1) To increase it’s lifting capability
(2) To balance the torque applied on the main fan
(3) For safe landing
(4) For safe taking off

Question Posted / la.gayan.m

2 Answers
6447 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

Usually helicopters are having a small fan at the rear end, the purpose is;? (1) To increase it..

Answer / niroshana

(2) To balance the torque applied on the main fan

Is This Answer Correct ?

24 Yes

0 No

Usually helicopters are having a small fan at the rear end, the purpose is;? (1) To increase it..

Answer / jasvir singh

When a shaft rotates, reversible torque works on stationary part of machine, because Helicopter body is free in air and this reversible torque tries to rotate helicopter in opposite to main fan which leads unbalanciing to avoid this a little fan provided at rear end.

Is This Answer Correct ?

6 Yes

1 No

Post New Answer

More Automobile Engineering Interview Questions

For the purpose of inflating car tyres, spray painting, etc. i.e. say a small workshop, what size of a compressor (CFM) is recommended? It will be generally for a hobby use and not commercial use.

1 Answers

What do you mean by independent suspension?

0 Answers

What is the difference between Cycle time, standard time & Critical standard time?

1 Answers DICV, Pricol,

What is Kirchhoff's Law ?

0 Answers Ashok Leyland,

I am a diploma Automobile Engineer working in Volkswagen for 4 years . I wish to apply for Australian PR however SOL of austria does not include automobile ngineering is there any other way i can choose to apply for the same. Please help..

0 Answers Volkswagen,

What are your Future Plans for company

2 Answers GMT, Volkswagen,

Hi,I got a call from vssc,kerala for the technical assistant in automobile,would u suggest me how to prepare for this,quickly

0 Answers

What will you do if you are offered higher salary at a different organisation while you are working with us?

0 Answers Ashok Leyland,

Can servomotor be used for applying torque or load to the gear box drive shaft at various speeds for gear box testing purpose.

0 Answers

State some kingpin offset application?

0 Answers

Tell me about Bicycle rear wheel Sprocket working?

0 Answers GM General Motors,

Define Poisson's ratio.

0 Answers Ashok Leyland,

For more Automobile Engineering Interview Questions Click Here