usually hand broken stones are used for cement concrete 1:4:8 in foundation of single /two story houses with a view of economy in construction.what advantages it will give if you use machine crushed stone in place?

deshuttering time for RCC for DPC over the foundation.

use of scr?

L&T,

sir,in our plant we r using SATEC PM172E power reading meeters in HT panel side it is monitoring the MB data smart viewer(sever).but last one week we did not get readings inthe server only available in meeter.tell me how communicate meter and server. and also what steps we take for checking.

i need questions from Govt company asked like BDL, ECIL,HAL,DRDL,BARC and many

could an induction motor be used for regenerative braking in electric-train control? in this type of application would some scheme have to be devised to obtain low synchronous speeds while braking? would induction-motor drive, therefore, be suitable for passenger service?

what are the principles of a booster converter?

Q.1. What do you mean by FDMA? Explain in details. Q.2. What are active & passive elements in BTS? Q.3. Name the equipments required for 2+2+2. Q.4. What is the function of BB2F card? Q.5. What is the function of BOI card? Q.6. Which modulation we use in case of GPRS? Q.7. Which slot is reserved for GPRS? Q.8. What is the height of BTS? Q.9. What is the height of ESMA card? Q.10. How many maximum slots we can use in ESMA card? Q.11. We use PSWA card in which case? Q.12. We use PSWB card in which case? Q.13. How many types of Transmission cards are in Ultra BTS? Q.14. How many types of Transmission cards are in Flexi BTS? Q.15. What will happen if we change the polarity of microwave antenna? Q.16. What is the full form of ARFCN? Q.17. What is the function of TRAU? Q.18. Explain the structure of entire GSM. Q.19. Explain the configuration of 4+4+4. Q.20. Which type of connector we use in FIFA card? Q.21. Which type of connector we use at the end of GSM antenna/ Q.22. What are the different types of GSM antenna? Q.23. What do you mean by Splitter? Q.24. Convert the 16 W power into dBm. Q.25. Explain the different steps of Commissioning. Q.26. What do you mean by protection loop? Q.27. What is the correct way of weather proofing? Q.28. Can we use 7GC instead of 15GC? Q.29. What is the function of Duplexer? Q.30. What are the different elements of MSC? Q.31. Write the total description of Ultra Commissioning.

Nokia,

1. How many TRXs are supported in Nokia Metrosite 2. What is the command to lock the TRX 3. What is the command to unlock the BTS 4. What is the command from BSC to check the alarm in BTS 5. What is the maximum transmit power of FlexiEdge BTS 6. When Abis link is down, name the alarm that is generated at BSC 7. Orange LED on RRI card is glowing – what is the indication? 8. How many E1s are supported by one E1 card in BTS 9. How many ways one can login to BIO card? 10. What are the different data rates in Abis for Traffic, TRX signaling and OMU 11. BCSU card in BSC can support how many TRXs? 12. What is the command to check list of sites that are down? 13. How many TRX are supported when we use one M2HA card in BTS? 14. Name the different types of power supply card in BTS and the output power of each card 15. Ater interface is between transcoder and MSC – True/False 16. SS7 signaling is used in Abis interface – True/False 17. FlexiEdge BTS has RRI card – True/False 18. From Transcoder to MSC, data rate for each call is 64Kbps – True/false 19. Name different types of TRXs which supports different GSM bands 20. ODU LED shows orange – what is the significance?

Nokia,

What is the state if the RED LED is glowing on DVxx card What is the state if the YELLOW LED is glowing on DVxx card What is the state if the GREEN LED is glowing on DVxx card Which frequency band DVDC is used Which frequency band DVGA is used What is the function of Bias Tee (BPxx) Which power supply card required for Ultra BTS for AC 230 V input Which power supply card required for Ultra BTS for DC -48V input Which power supply card required for Ultra BTS for DC 24V input What is the state if the GREEN LED is glowing on PWSx card What is the state if the RED LED is glowing on PWSx card What is the state if the YELLOW LED is glowing on PWSx card How many maximum PWSA cards can be inserted in a Ultra BTS cabinet How many maximum PWSB cards can be inserted in a Ultra BTS cabinet How many maximum PWSC cards can be inserted in a Ultra BTS cabinet What is the output power rating of one PWSA card What is the output power rating of one PWSB card What is the output power rating of one PWSC card What is the function of Receiver Multicoupler (M2xA or M6xA) How many TRX's are supported by one Receiver Multicoupler- M2xA How many TRX's are supported by one Receiver Multicoupler- M6xA What is the function of Remote Tune Combiner (RTxx) unit

Nokia,

What is the difference between Pipe & TUBE?

Why PWHT IS NOT DONE TO STAINLESS STEEL MATERIAL?

Steel Plant,

what is power factor

UltraTech,

v/f drive basic princeple

what is the max. dia of steel can be used in open footings?

TCS,