In most process, speed of motor controlled by control
system with a reference pot . Now if i start & it becomes
uncontrollable, i.e.gets directly start & stop after certain
time.Then which reasons can make such problem? can motor
may be faulty?how?
I have observed in field instrumentation work... I remove
the fuse of an analog transmitter then it shows 7.75 kg/sq
cm (which is practically wrong value)in DCS and when put
the fuse it shows 0 in dcs. Then cheach the field
transmitter termination and found moister. clean that and
then it shows 1.1 kg/ sq cm which is right value. Please
describe the above phenomenon.
operation of carrier aided protection and what is the basis
for choice of frequncy in powerline carrier system
1)what to do in emergency situation of having total blackout
(on a ship)
2)what to do in emergency situation of flooding in the
3)under what conditions would engine room bilges be pumped
4)why is high pressure required for the injection of fuel
into the cylinder of diesel engine.
5)why is doubled walled pipes employed for high pressure
6)reasons for overheating of main engine
7)how to detect choked fuel valve,leaky piston rings and
their remedies during operation in diesel engine?
8)effects of insufficient or excessive cylinder lubrication?
9)causes of a diesel engine piston overheating.
the whole paper was based on Transducers..questions like
define repeatability, error,accuracy,precision..den there
were many q. on the conversion of Pa to mmHg and other
also..der wer few Q. on some level sensors(with diagram)