Answer / karthikeyan

Three modes of heat transfer is
Conduction,convection,radiation.
CONDUCTION;In heat transfer, conduction (or heat
conduction) is the transfer of thermal energy between
neighboring molecules in a substance due to a temperature
gradient.
CONVECTION:Convection is the movement of molecules within
fluids (i.e. liquids, gases and rheids). It cannot take
place in solids.
RADIATION:radiation describes any process in which energy
emitted by one body travels through a medium or through
space.

The Hook's joint works efficiently when the propeller shaft inclination is a) 18o b) 28o c) 38o d) 48o

0 Answers   Backbone, Bosch, MAHINDRA, Uniparts Group,

---

What purpose to use damper pulley to engine?

5 Answers   Cummins,

---

How does genera tors operate

1 Answers   TATA,

---

Define white metals.

0 Answers   Ashok Leyland,

---

Why oil with petrol can be used in two stroke engines but not in four stroke engines (two wheelers)?

0 Answers  

---

Hard shifting of gears would result when a) There is rapid engagement of gears b) There is less heat dissipation c) The clutch inertia is very high d) There is no clutch free pedal play

0 Answers   Backbone, Bosch, MAHINDRA, Uniparts Group,

---

How bhp is measured?

0 Answers  

---

Describe the stress and strain curve of steel.

0 Answers   Ashok Leyland,

---

Why oil is mixed with coolant and what are causes of this?

0 Answers  

---

What do you understand by ductile-brittle transition temperature?

0 Answers   Ashok Leyland,

---

by mixing oil in fule of fourstroke bike will it damage engine, performance? if not than what happen?

5 Answers   Yamaha,

---

What is the approx. temperature at the spark plug at the time of ignition??

12 Answers   Pak Suzuki, TATA,

---