Answer / rvg

Safety means operator safety and engine safety.

For operator safety, there shall be an emergency shut off.
for engine safety, there shall be an overload shut off say
5times above the full load capacity after a specific time.

Controls are, speed control, torque control,fuel control,
temperature control etc.

Answer / kishor

thermometer, ameter,voltmeter

What are the starting currents of different motors and also what are the running currents, and idle currents?

6 Answers  

---

If the generator will not synchronize, what will you do?

3 Answers  

---

depending on what we can choose the rate of mccb considering that we know the total load

2 Answers  

---

An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The rotor reactance at stand still is A 2 ohm B 1.25 ohm C 3.15 ohm D 2.25 ohm

0 Answers  

---

what is meant by LCR meter? where its useful ?

0 Answers  

---

why starting current is high and resistance is almost 0 during the starting of motor dc motor...?

0 Answers  

---

why the single phse machine can not run by the three phase supply.

2 Answers  

---

what is Thermocouple? Type of its.

2 Answers  

---

When a single pase capacitor run motor- run on 230vac and Case(1)run with 8 Mfd 250 vac.capacitor , Case( 2) run with 8 Mfd 400vac capacitor. What is difference between both case regarding power ,efficiency etc?

0 Answers  

---

Main CT ration is 400/5, meter CT ratio is open type: -/5A. What is the Multiplying factor of the meter, considering same PT ratio.

1 Answers  

---

How to discuss the phase shift of transformer considering open delta?

0 Answers  

---

When induction motor is started,we see all other electrial appliances connected on the same supply are dimmed out for some moment why?

4 Answers  

---