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1147 Views

A motor has an electrical input of 30KJ and is used to raise a 100kg load to a height of 25m when fitted to a crane winch.The efficiency of the winch is(g=10ms-2)

Harshit sethi 27th Jan, 2020

m = 100 kg

g = 10 m/s

h = 25 m

Input Energy =30,000 J

Output Energy =m *g*h

=100 * 25 * 10

= 25000 J


Efficiency = Output Energy /Input Energy


= 25000/30000

= 5 /6 Ans.



Since some energy is lost in the form of heat

819 Views

I got 88 percentile in jeemains exam I have general EWS did I get NIT seat?if do u know plz inform me

Dhruv Anurag 20th Jan, 2020

Greetings aspirant,

As per your percentile score in JEE Mains 2020 and considering your general EWS category, you are likely to clear thr cutoff for your respective category. But the chances for NITs are quite slim in accordance with your score unless your home state quota has a play in

41 Views

could anyone please tell me the list of colleges in India where DNB surgery will be good I mean we can have good exposures.

Awanya Dabas 29th Feb, 2020

Hey!

Some good institutes for DNB Surgery are mentioned below:

1. Calcultta Medical research institute

2. CARE institute of medical sciences

3. Dr.Rajendra Prasad government medical college

4. Durgabai hospitaal and research centre

5. Jaipur golden hospital medical college

Hope this answer helps!

93 Views

i have scored 83.7 in Jee mains (2020)....will i get seat in good government college? and should i write the upcoming 2nd jee main?

Harsh Pandey 20th Jan, 2020
Well since you have scored 83.7 percentile in JEE Mains then the chances that you will get admission into a good government college depends upon your Category. If you are in GENERAL Category then sorry to inform you..but according to previous year stats the general cutoff percentile for the year
57 Views

I secured 97.95%. in general category. now I get NCL OBC certificate. now I try to apply for JEE ADVANCE. can change category

NAVNEET PANDEY 20th Jan, 2020

Hello nagesh

If you have given your JEE mains with general category so you have to give your advance also in general category.

As JEE advance is based on your jee Mains results.

Best of luck

51 Views

I got 88 percentile did I get NIT seat of year 2020? if do u know plz inform me

Manidipa Kundu Student Expert 20th Jan, 2020

hi,

see you have not mention your category, cutoff and closing ranks  in engineering streams is depends on your category and rank. as per your score , taking you as general candidate with no physical disability

Your Overall Percentile is: 92.16 - 92.36

Your General Rank is: 70216 - 82366

55 Views

how can I score 600 in neet 2020 balancing my boards

Manidipa Kundu Student Expert 20th Jan, 2020

hi,

see it can only possible if you follow a strict routine, remember neet is a mcq type exam, so you need to practice mcqs questions as many as possible. so make a routine for daily studies and make an separate time hour apart from your board exam studies, if

42 Views

what is your review about niet noida?on the basis of diffrent parameter,is it a good engineering college?

Awanya Dabas 29th Feb, 2020

Hey!

National Institute of Engineering and Technology (NIET), Noida is a good college for pursuing engineering. It offers good course structure, placements and exposure. Along with this, it has a highly educated team of faculty members and offers  good education. The infrastructure of the college is also very good.

Hope

56 Views

i got 41total score in jee mains. will i qualify?

Manidipa Kundu Student Expert 20th Jan, 2020

hi,

see there is no particular pass marks pescibed in jee main exam, along with your score you will be awarded with a rank and percentile. however if you want to appear in jee advance test from generaL category which is the entrance exam for admission in btech courses of

468 Views

what is my percentile with percentage 64

ruchika.chauhan Expert 25th Jan, 2020

Hello

Is your query about JEE Main exam? Result of JEE Main exam has been declared and  the result is available in the form of score card containing four NTA scores in the form of percentile for Physics, Chemistry and Mathematics and total score. You must have checked your percentile

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