Answer Posted / ergajjarchintan86

GWR
1.high frequency radar impulses
2.contact measurement
3.Exceptional
Performs well independent of process conditions.
4.extreme temp and pressure do not effect device performance
NGWR
1.microwave pulses
2.non contact measurement
3.Acceptable
Performance is based on strength of reflection and surface coditions
4.air space determines measurement accuracy.

Describe how to use megger to measure the earth resistance and insulation resistance

2167

---

What is the use of each wire in three wire RTD

2455

---

how to calibrate 0- 150 psi presure gauge by dead weght tester

1944

---

hi,i am doing 3 year in electronic and instrumentation engineering. what type of aptitude questions will be asked in a core industries and how can i improve my skills in instrumentation?

2065

---

what is exact time to study dcs and plc cources

1991

---

Manipulation of dead wt. tester double piston type.

1994

---

why we are not using the turbine flow meter in the steam service?

2166

---

what is the importance of CV in the control valves? how it is calculated?

2389

---

Explain Gas Turbine startup and shutdown sequences

4264

---

Where Can i take a SPI INtools training in Mumbai? In Rolta India Ltd to whom I should approach regarding of SPI INtools Training?

2725

---

what is commisioning procedure,2)what is is the main work in commisioning in the field tx to dcs, plz send me detail

2260

---

can u briefly explain aboutan aryton shunt multirange DC ammeter?

2689

---

1. what is modbus cable? 2. what kind of communication we are using for the interface of DCS, ESD and Third party cabinets? 3. What is serial communication and peer to peer communication?

2135

---

dear sir we have insatlled positioner model no.sipart PS2 make Siemens at our control valves . now problem is if we want to increase the response of valve opening speedy /fast. what parameters do we change for positioner ? any idea. please guide us.

1837

---

is motorized valve closed when power shutoff?

1652

---