Which pump set is more suitable and economical for
liftingwater from 300Mtr borewell?
A. Compressor Pump
B. Submersible Pump
C. Jet Pumps
D. 25HP Centrifugal Pump
Q. from PSC Test 22-11-2008 Meter reader
Answer Posted / sidhu.k
hi, above all the guys are given answers not fully
satishfied ,as per my knowledge see water lifting is depend
upon the capacity of the motor, and pump stages,15hp 28
stage submursible motor is sufficient for 300mtr depth
water lifting .i dont no purpect formula , but it is to be
allready done in my practical life. 1 stage = 35ft.ok,any
body have formula to caculate this please send
immidietely.thanks to all friends.
| Is This Answer Correct ? | 1 Yes | 2 No |
Post New Answer View All Answers
What are the transformer losses?
pls tel me the electric train traction motors name plate details like rpm,torue,voltage,amps,watts..ect..
WHAT CAUSED THRESHOLD VOLTAGE TO EXIST?
Scott connection is used for A 3-phase to 2-phase conversion B to achieve higher effciency C to save copper D to reduce harmonics
How to minimize the eddy current losses?
What is inverse definite minimum time lag relay? Where is it use?
Why should we hire you over the others waiting to be interview?
What are the site acceptance tests for power cables, DG Sets, LT panels & 30kVA UPS ?
If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021
How LT megger works ?
Why efficiency in thermal power plant is low?
In ACS 1000 drive we are using 12 pulse converter,why don't use 3 pulse converter.
can we use CBCT in neutral of solidly grounded transformer? in place of three phases we can pass only one phase which decreases the size of CBCT?
TRAFO 1. WHY BREATHER IS USED. 2. WHY OIL GOES DOWN IN CONSERVATOR TANK. 3. WHY WE ARE TAKING OIL SAMPLE TAKING FROM BOTTOM OF TRANSFORMER. 4. HOW TO CHECK IR VALUE OF TRANSFORMER. 5. WHY OLTC HAVING BUCHHOLZ TRIP ONLY; WHY NO ALARM. 6. OFF LOAD TAP CHANGER OPERATION PROCEDURE. 7. TR. SHUTDOWN / ISOLATION PROCEDURE. 8. WHEN THREE TRS. IN PARALLEL, ONE TR. IS NOT SHARING THE LOAD – WHAT IS REASON AND WHAT YOU WILL DO. 9. WHY TR. HAS OLTC IN HV SIDE. 10. WHAT IS % IMPEDANCE. 11. WHY TR. RATING IN MVA. 12. WHAT IS VECTOR GROUP IN TR. 13. CONDITION FOR PARALLEL OPERATION OF TRS. 14. WHAT IS TERTIARY WINDING. WHERE IT WILL BE. 15. IF TR. TRIP ON BUCHHOLZ OR TAP CHANGER RELAY, WHAT YOU WILL DO. 16. DIFFERENCE BETWEEN OIL TEMP. AND WINDING TEMP. PROTECTION 17. HOW WINDING TEMP. IS MEASURED IN CAST RESIN TR. 18. DIFFERENT TYPES OF FAULTS IN TR. Trafo - Page-1 of 2 19. WHAT HAPPENS WHEN TR. CHARGED FROM LV. 20. WHAT WILL YOU DO IF MEGGER READING SHOWS ZERO BETWEEN LV WINDING AND EARTH. 21. CAN WE INTERCHANGE BUCHHOLZ RELAY OF MAIN TANK AND OLTC TANK. 22. IF THE LINE BETWEEN BREATHER AND CONSERVATOR TANK 23. LOCKED, WHAT WILL HAPPEN DURING LOAD CYCLE. 24. WHAT IS THE FUNCTION OF OIL SEAL IN BREATHER. 25. WHAT ARE LOCATIONS FOR BUCHHOLZ RELAY FIXED IN POWER TR. 26. WHAT ARE CHECKS IN POWER TR. DURING MAINTENANCE. 27. WHAT IS IMPORTANT WHEN WE CHECK OLTC OPERATION DURING MAINTENANCE. Trafo - Page 2 of 2
please explain how to do 'pole drop test' on generator?