Answer / s.gnanaprakasam

TR is meant for" tons of refregeration"

Answer / parmod kumar

TR means "Ton of Refrigeration" .

Answer / mahantesh s k

TR means - Tonne of refrigeration

1 TR = 400 CFM = 3.872KW.

Answer / virendra

TR means the tonage capacity of the Air Conditioner to cool
the room of ( 10 x10x10 Ft ) Room for certain period of time

Answer / shri..

Tonnage Rating.

Answer / diwan rana

How to calculated cfm of the 12*12size of Room

Answer / ruel capili

tr-means the tonagecapacity of the airconditioner to cool the room.

Answer / harsh rajput

At 0 degree temperature the amount of heat is required to melt one ton of ice in 24 hrs.

Answer / prakash vagh

TR means tonnage capicity of Air conditioner to room.

Answer / kilabot

Technical Recruitment

What is the d/f between DOL & star delta starter & automatic star delta starter?

23 Answers   ACC, Dalkia, Engineering, Indeco, NINL, Novotel, RMH Control Systems, Wipro,

in control panel, how can i measuring the distance between one bus bar to another bus bar. then now only for bus bar. in mpcb and contactor also. that means one mpcb to another mpcb how much distance? how can i calculate that.

0 Answers   ABB,

In constant power region of 3-phase IM torque-speed characteristics, if frequency increases flux A does not alter B decreases C increases D none of above

0 Answers  

hi friends how 3 phase converter functioning ?what is working principle of rotory phase converter ?

0 Answers  

If more than rated DC voltage appears across trip coil of the breaker, what will happen? e.g. in 110V DC circuit system, if voltage across battery terminal showing 121 V

0 Answers  

why transformers are put with supply for 24 hours before giving supplying to a locality?

2 Answers  

What is meant by Creepage Distance in Insulators?

2 Answers   Areva,

What is the knee point voltage of CT-100/5,15VA,5P20 ?

3 Answers   ERL, NTPC,

We have 2 Nos. Transformer with the capacity of 2000KVA and 1250 KVA and currently using only one 2000KVA T/R during operational hours while non- operational hous 1250 KVA T/R also used to reduce T & D losses. Similarly, 2 capacitor bank of 500KVAR and 300 KVAR also installed to balance reactive power. Now problem is around 1000 KW load PF is not maintaning 0.99 as 350 KVAR capacitor is in healty condtion. Now the PF is maintain 0.95 to 0.96.

2 Answers  

Why we check only first column of root locus..?

1 Answers   IES,

UG cable sizes were specified in sqmm. But practically its not coming to mesure. What's the reason for that? And how they specify the size of the cable?

0 Answers  

Maximum efficiency occurs in electrical machines is at i)Full load,ii)50% of full load,iii)Near full load,iv)None of these

1 Answers   IFFCO,