the software that allow user to surf internet is called
- search engine
- browser
- multimedia application
- isp
0 voters
the energiesE1 and E2 of two radiations are 25ev and 50ev respectively. the relationship between their wavelenghth w1 and w2
- w1=w2
- w1=2w2
- w1=4w2
- w1=1/2w2
0 voters
a bicycle is is moving constant acceleration . the frictional force on rear wheel is
- zero
- in backward direction
- allof these
- in forward direction
0 voters
Bhai Yeh to technical mein sabko marine. Saale galat answer mark kar rahe in hain
rrb bangalore guys check ur sse ans keys from the official website and post ur marks.....
B.tech IT/ECE/Electronincs and Bsc P+M guys , ATC posts in AAI are out !!
RRB ALLAHABD Candidate check ur key @RRB banglore site same keyy
Hi, guys....
Finally I checked my marks for SSC bangalore, in red set m getting 65marks, is there any chance to shortlist in OBC categery....? Plz suggest me..
question for representation(yellow set)
Q. 102. in p-type semiconductors, conduction of electricity is due to
a. motion of holes
b. motion of negative charges
c. motion of electrons
d. motion of electrons and holes
answer is D but RRB has given answer as A.
explanation: current= majority current(from holes) +minority current(from electrons).
which of the following combinations causes acid rain ?
- none of the above
- oxygen + nitrous oxide
- methane + sulphur dioxide
- methane + ozone
0 voters
The most serious environmental effect posed by hazardous waste products is the contamination of
- ground water
- flora
- ice caps
- air
0 voters
Why is a flux used in welding ?
- both
- none of the above
- to permit perfect cohesion of metals
- to remove the oxides of the metals formed at high temperature
0 voters
In welding copper alloys with TIG arc welding
- all of the above are used
- A.C. is used
- Direct current with reverse polarity (DCRP)is used
- Direct current with straight polarity (DCSP) is used
0 voters
The ratio of output signal or response of the instrument to a change in input or measured variable is called
- sensitivity
- precision
- resolution
- threshold
0 voters
For studying detailed variations with time one uses
- Indicator
- digital indicator
- recorder
- integrator
0 voters
Strain energy of a member may be defined as work done on it
- to deform it
- to resist elongation
- to resist shortening
- all of the above
0 voters
A network is said to be linear if and only if
- the principle of homogeneity applies
- both option B & C
- the principal of superposition applies
- the response is proportional to the excitation function
0 voters
The resistance of shunt winding is
- More than series winding
- more than series and armature
- less than series and armature
- more than armature
0 voters
RRB Guwahati sse civil expected cut off mark...
RRB Ald SSE green set , guys share your marks......