i saw in my company drawing seat cable size as mensioned
like this 12p*15 sqmm,12t*1.5sqmm, 9c*1.5sqmm. now what my
que is what is mean by p , t , c.
Answer Posted / himanshu amin
positive temprature coefficient
| Is This Answer Correct ? | 0 Yes | 21 No |
Post New Answer View All Answers
What is the difference between uv and ir scanners? and what is the workig principle of both
Q1: Consider part of a control loop, which excludes the transmitter, consisting of a process, a controller and a control valve which may be represented by two dead times of 0.5 min each and three exponential lags of 0.8 min., 1.0 min. and 1.5 min. respectively. We wish to express this system as an overall first order plus dead time (FOPLD) model ie gain, time constant and process dead time. (We will see later that this is often done, to simplify controller tuning). For this exercise, gain is considered to be 1.0. (A) If the transmitter is a flow transmitter whose behaviour can be described by a dead time of 0.2 min. and an exponential lag of 0.5 min. in terms of the overall dead time and overall first order lag how can the system behaviour be approximated ? Overall dead time = Overall time constant = (B) If the transmitter is a temperature transmitter with a temperature sensor in a protecting well whose behaviour can be described by a dead time of 0.7 min. and an exponential lag of 15 min. how can the overall system behaviour be approximated now? Overall dead time = Overall time constant =
What is the purpose of bypass valve across AS valve.
How will you calibrate an Absolute Pr.Transmitter of range 400mmHg absolute ?
What is Droop? What is Step/Gradient Limiter in Turbine Governor control?
what diffrence b/w plc s7200,300,400
draw the block diagram of a level transmitter ?
What are the maximum packet size of: a) HART b) Profibus DP c)Profibus PA d) DeviceNet e) Foundation Fieldbus
full process of gas turbin?
we have level transmitter for h2s04 storage tank capacity 10k ,always there are failure of transmitter due to failure of magnetic floats ,please come up with solutions at the earliest.
what is The specifications for oriface instalation
How can i test procedure grounding for CAT-7 cable? Or How can we test procedure CAT-7 Cable Electrically safe?
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..?
what is dc moter.
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?