hi pal, i am vengatesh from tamilnadu(chidambaram),i have called for the written test for the post of jr executive(ELECTRICAL) of AAI ,I dont know about the question paper pattern,so any kindly help me to face the examination,post me the model question papers and some tips to write my examination to (email@example.com)1278
1)what is hypo test. 2) which cable need to hypo test.3) when hypo test can be done before or after glanding.4) what is the purpose of hypo test.5 35357
WHAT IS SITTING AMPS IN OVER-LOAD RELAY FOR 1PH OR 3PH MOTORS?IF ITS NAME PLATE GIVEN MAX AMPS 10AMPS?1186
WHAT MEANT BY SEVICE FOCTOR?2 3160
what is the accaptable voltage between neutral to earth & How to reduse the resistance of earth in chemical earthing4 4592
what is the meaning of Dd0yn112 9880
HOW TO CALCULATE EACH PHASE CURRENT WHILE A MOTOR CONNECTED TO STAR- DELTA STARTER?3 5839
1.what is the difference between MPCB and MCB ? 2.what is the difference between MPCB and MCCB ?6 43807
Why r used of cable 50sq.mm and above size cable in 3.5 core. And below size in 4 core ? any technical reason please explain it2 3862
why we are using DC violtage for testing of cables....which is used in HV AC applicatons...1 3618
WHAT IS SITTING AMPS IN OVER-LOAD RELAY FOR 1PH OR 3PH MOTORS?IF ITS NAME PLATE GIVEN MAX AMPS 10AMPS?1 2717
transformer 3 ph, 225 kva pri 480v, sec 208v. primary neutral connected to system, is secondary neutral to be grounded and how1 3064
how ELCB drip when earth and phase touch together?2 4306
v/f drive basic princeple
Can you explain about TEE protection scheme?
How can we connect additional batteries to three phase ups? What are parameters we have to check when connecting?
1.what is the reason for transformer and lightning arrester blast in 33kv system
BSNL TTA EXAM QUESTION
Any one can explaination about calibration with rotating sub standards?
Can any answer me ,What will be the range of C.T coil for L&T energy meter EM301 used for 180 kva DG set
What is power factor why we should maintain the power factor unless what will happen
What is open loop and control loop systems?
how we can do the insulation on secondary of ct explain and so that tan delta will within limit
What is time invariant system?
What is dc current source? Differentiate between ideal and non ideal current sources?
Why is the frequency not changed during transformation of electrical energy in a transformer?
Why IR value of the (HT cable Plus synchronous motor) is less while individually having IR values in GΩ?
What is called grain-oriented laminations?