Answer Posted / aftab ahmed mazari

There are mostly two types of magnetic pickups for speed
measuring.
1. Passive sensor
2. Actice sensor
In active sensor, hall effect is used to get frequency
signal.

-/5A. What is the meaning and limitations of this in energy meter constant. It is a 3 phase LT Energy Meter. If this Energy Meter is connected through a CT of ratio 200/5 Amps, then what is the multiplying constant and how its will be calculated.

2458

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How many interlocks at turbine side?

1933

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How is automatic reference junction compensation carried out in temperature recorders?

1097

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what is function of switch, and how is it work, explain with difination

2378

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Why mixer nd grinder Is example of constant torque load not variable torque load ???

1958

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Operational amplifiers

1965

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Tell me the field calibration procedure step by step with diagram of pressure gauge, pressure switch, pressure transmitter, temperature switch, level switch, flow switch, flow transmitter.

3214

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what is interface level and how it is calibrate?

2403

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If a control valve is hunting means means if we are giving 50% to the cv, the cv will open at 51% then slowly slwoly it will reaches 49% , so what to do for solve this problem. The cv is double acting and mounted for anti surge operation, it having 4 nos. volume booster, one sov, one positioner, etc..?

2100

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How many types of sensor

1617

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Differentiate between ultrasonic flowmeter and radar type flow meter

1217

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I installed the smartplant instrument v8, but can not be opened, that always said: "INTools 2007 hardlock no found". So Could you help me how to do for that?

2058

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

2307

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how to calculate signal cable sizing? and multipair cable sizing??explain in brief?

2353

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Why MUX JB's are using only Temperature Element in Fundation field bus?

2336

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