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 BSF aptitude test questions  BSF Aptitute Test Questions (1)  Bhel technical test questions  Bhel Technical Test Questions (2)  Altair interview questions  Altair Interview Questions (2)
 
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Question   IN 500 KVA TRANSFORMER 11KV/415 VOLTS HOW TO CALCULATE THE HT CABLE SIZE AND LT CABLE SIZE FROM TRANSFORMER TO LT PANNEL. AND HOW MANY MAINSWITCHES OR MCBS WITH RATING ARE TO BE PROVIDED Rank Answer Posted By  
 Interview Question Submitted By :: Nmr
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Answer
First you have to caluclate the load of the T/F i.e 
KW=KVA*p.f
KW=500*0.8=400KW
I=kw*1000/1.732*415v*0.8
I=696.74 A
Based on these we can choose the Cable size ....
suppose the LT AL cable of 3.5c x 400 sqmm will give 530 A 
of polycab....if we go for two runs of 400sq.mm means it is 
good and the breaker size we will go for 800A ACB bresker 
means it is good....

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those who are intrested to go for Electrical 
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Cable sizing, Lighting cal, panels, breaker 
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0 Sudhakar G
 
 
Answer
kindly give full answer
 
0 Brijesh Kumar
 
 
Question   kaalu ki maa ke teen bache, athani, chavanni aur teesra __________???????????? Rank Answer Posted By  
 Interview Question Submitted By :: Pankaj271229
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Answer
kallu itself is third son...
 
0 Ahmed
 
 
 
Answer
bara aane
 
0 Guest
[DMRC]
 
 
Question   How do you change an AC motor to DC? why there is only 50 Hz frequency in india & not other? Rank Answer Posted By  
 Interview Question Submitted By :: Gajanan57
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Answer
By using amplifiers
 
0 Mostafa Abdel Nasser
 
 
Answer
by using rectifier we can change ac motor to dc.
 
0 Anil Ku Nayak
 
 
Answer
using commutator in armature winding.we can change the AC 
motor to DC.
 
0 Gopal Manda
 
 
Answer
replacing commutator in D C motor we have ac motor.
 
0 Dwivedi Sandeepdhar
 
 
Question   id 35.00mm ,od 72.00mm & width 23.00mm .how to calculate bearing number. Rank Answer Posted By  
 Interview Question Submitted By :: B
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Answer
25number
 
0 Sathish
 
 
Answer
7
 
0 Durai
 
 
Answer
22207
7 x 5 = 35
 
0 Rahul
 
 
Question   who called the scintest of uttrakhand. Rank Answer Posted By  
 Interview Question Submitted By :: Guest
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Answer
jagadish
 
0 Narendra
 
 
Question   Which of the rank of para military ie BSF, CRPF or ITBP is equivalant to Lt Col of Indian Army? Rank Answer Posted By  
 Interview Question Submitted By :: Kamal
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Answer
Assistant Commandant of CPMFs is equivalent to Lt Col of 
Army in terms of roles and tasks, as both are Company 
Commanders except for seniormost Lt Col of an Army unit who 
is designated as second-in-command of the Battalion. But 
paywise there is no parallal between the Army and CPMFs due 
to disparity
 
0 Dentan
 
 
Answer
there is no comparision between army and cpmfs because 
cpmfs are incepted with a particular objective for each one 
i.e. bsf crpf itbp ssb cisf. now according to govt there is 
no equivalent in cpmfs to lt col in army but in field a lt 
col can stand in front of second in command in performing 
duties and in service of nation . because generally 2ic 
leads a battallion in cpmfs . in bsf 2ic has more admin 
powers it performs very hard duties he leads a battaloin 
because commandant  narmally remains  busy in internal 
secureity matters he performs border security 365 days in 
personal,he monitors ,exectes ,border security 
functions ,performs counter insurgency operations, protects 
our borders from infiltrators  face bullets on his chest 
in  all these, executes anti terrorism operations he has 
more admin powers than lt col in army ,and in army lt col 
remain busy in office works and normally executes paper 
works . all the difference is only due to the wrong govt 
policy , because it has give 37400 pay band to lt col and 
left second in command in 15600 which is absolutely wrong 
an is injustice against central paramilitary forces, the 
point shuuld be noted that the objective of bsf is to 
protect our borders 365 days and to beat opponent 
nation`s   defence  during war  it becoms a multiplire of 
indian army during war the maha veer chakra veer chakra 
sena medal  shaurya chakra and many more need no 
evidence    jaaaaaaaaaaaaaaaaaaaaaai      hind       
jaaaaaaaaaaaaaaaaaaaaaai bharat    ajay seema suraksha bal .
 
0 Raaj Singh
 
 
Answer
REPLY FOR BOTH QUESTIONS AND CORRECTION TO ABOVE MISS INFORMATION.
1.    First of all u said Lt Col is equivalent to Asst commandant, gentleman pl go and brush up your knowledge,refer protocol and rank eqv in services, paramilitary and police services vide govt of india order 1957,127(B),165(c)and Defence service regulations (DSR) service eqv 1894,1933,1967 and 1997 ammendements. Lt col is eqv to 2ic in PMF and DCP in police service.In RR, AR and during emergency or war Lt Col is eqv to SSP in Police and powers are same with addn to some special power act empowered by AFSPA.
2.    Secondly duties of Lt Col in war,CI,CT, he is ensures adm of tps under his regt, handling POWs, maint of WAR diary, Planning and execution of ops, lead men from front in every operations by est close sp base, briefing and Debriefing of men under command.During war a coy cdr who could be Capt,Maj and in some cases a Lt also is empowered by president to operate indpdt to take key comd decisions and to instr or order Police and PMF to act to fulfill or execute cdrs plan on ground and he is empowered more power than commandant of PMF Bn and SSP of an Area.
3.    Thirdly Glorious history of Armed Forces is filled with examples of bravery,chivalery of men of armed forces weather he is a LT to win MVC at age of 17 and 6 days after completion of trg or he is a 52 year old Brig to fight enemies with stones when bullets finished and won MVC. 
4.    I wont go in much past, 2010 a YOUNG Lt Col(In Army soldier is always young to fight unlike pot bellied police) 45 year old won SM for single handedly killing 6 millitants who sneaked into  LoC through BSF post (with gap of just 300 m,refer punjab kesari 12 june 2010 u will get the photo of tampered fence and post together dist was 120 m and millitants successfully crawld in).
5.    Gentleman it is wrong to compare an ARMY of country to its PMF or Police in any sense.You should have given positive statements to motivated people and raise moral of people who feel they are safe because he know that all forces are awake doing there duties.
 
0 Trueindian
 
 
Question   what is the meaning of this command rm -rf / what will it do ? Rank Answer Posted By  
 Interview Question Submitted By :: Guest
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Answer
It will remove a directory including its subdirectories and
files
 
0 Monu Verma
 
 
Answer
recursively forcely delete the objects even the subfolders 
contains any files.
 
0 Sailesh K
 
 
Answer
rm -rf removes the directory recursively and also forcefully.
r stands for recursively
f stands for forcefully

The above command can also be used for removing a file.
 
0 Chitra
 
 
Answer
this is used to delete the directoy even it is containing
files or sub folders.......
 
0 Bharath Kumar
 
 
Answer
It is a very good question for a fresher to tackle.

rm -rf
yes ofcourse r stands for recursively
             f stands for forcefully
and this is used to remove normalfiles, tarfiles, zip files 
etc..

One more important thing is, it can be used in scripts 
where in it works/ removes only if the file exists.  If we 
use rm filename in scripts, it removes if it exits else it 
throws error message telling this file not exist. Hence 
using rm -rf is better option for shell scripting than rm.
 
0 Sricharan
 
 
 
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