Answer / karthick

the answer is heat engine.
because work is done on the system so it should be positive
and heat is transferred from source to sink so it shd also
be positive

Answer / varaprasad

hai karthik ur explanation was wrong,work done on the
system generally taken as -ve,in heat engine work is done
by the engine by utilising heat energy so it is +ve,heat
transfer is +ve as it transfer from source to sink.

Answer / harshit

It's a refrigerator.

What is the difference between DIN statndard and DN standard for flanges & what does PN mean in DIN standard.

2 Answers  

---

in which welding process liquid metal is poured?

18 Answers   ABB, NTPC,

---

In case of AHU ,how to arrive at chilled water USGPM of the AHU in case the AHU CFM is given. Can some HVAC genius please advise.

3 Answers   SR,

---

why it is difficult to make heavy cuts if a form turning tool is complex in shape?

0 Answers  

---

Which place yamahas?

1 Answers   Yamaha,

---

what is the job of mechanical engineer in a cement plant??

3 Answers   JP Group, UltraTech, Wonder Cement,

---

IN AC mechanical fuelpump what stands for AC? IN SU mechanical fuelpump what stands for su?

0 Answers   Nissan,

---

What is refrigerant?

2 Answers  

---

What is the Self & starter? what does it do in the in Genset

0 Answers   TVS,

---

what is difference between (pressure and stress), (sencitivity and efficiency) .

7 Answers   Bosch,

---

What motivates you to do a good job?

7 Answers   Maruti Suzuki,

---

What device installed in the F.O. system when excess oil return to drain tank?

0 Answers  

---