Answer / k.prakashchandra

Generally MCP ( manual call point)comes with hooter which is
a siren . It is used in fire alarm system. With MCP, the
event can be communicated from the place where hooter cum
MCP is installed, instead of coming back for announcement.

Answer / thakur

hooter blow means any alarm or selectable or programmable
condition
mcp means MAN CALL POINT when fire occouring in the plant.

how to calculate vfd o/p voltage by frequency

0 Answers   HCL, Orchid,

---

what is the min and max dc voltage for a dc system (110vdc)

1 Answers   ASD Lab,

---

what is the safety of voltage power transformer(2250KVA0

0 Answers   Emerson, Jindal,

---

Pls mail me utility & Dg related question with answer

0 Answers  

---

it is clear that volts equal to the current as per ohms law. is it appliable to the AC power or only for DC. if it is appliacable to AC in transformers when voltage increases the voltage decreases ????? why??????????????

13 Answers   Bhel,

---

What is the difference between earthed and unearthed power cable.

1 Answers  

---

how can we select the rating of Load break switch that is connected to the primary protection of 200 kva 11kv/415v distribution transformer?? step by step calculated answr pls...thnk.u

2 Answers   Maruti Suzuki,

---

electricity board have asked me what size meter i need fitted in my garage, its a 415volt supply and i want to run six 20amp supplies tolifts and things plus ten florry lights , what kva meter do i need??

2 Answers   HCL,

---

what is AB switch???

6 Answers   NTPC, Simplex,

---

1.what is bus cuplour and main funtions. 2.what is main function of alternator. 3.how many types of dg oils.

11 Answers   Bhel,

---

What is power focter ?

6 Answers  

---

What is Form factor?

2 Answers   NTPC,

---