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RRB JE Mechanical 2014
4

RRB JE Mechanical Question Paper 2014 (Set-1) with Answer Key

4) Heat is mainly transferred by conduction, convection and radiation in

Insulated pipes carrying hot water

Refrigerator freezer coil

Boiler furnaces

Condensation of steam in a condenser

Answer is:

Boiler furnaces

RRB JE Mechanical Question Paper 2014 (Set-1) with Answer Key

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Related RRB JE Mechanical Question Paper 2014 (Set-1) with Answer Key

5) The discharge of Hydrocarbons from petrol automobile exhaust is minimum when the vehicle is

Idling

Cruising

Braking

Decelerating

Answer is:

Idling

6) Which one of the following is an advantage of forging?

Good Surface Finish

Low tooling cost

Close tolerance

Improved physical property

Answer is:

Improved physical property

7) In a fillet welded joint, the weakest area of the weld is

Toe

Root

Throat

Face

Answer is:

Toe

8) Which one of the following is the correct statement? Gate is provided in moulds to

feed the casting at constant rate

give passage to gases

compensate for shrinkage

avoid cavities

Answer is:

feed the casting at constant rate

RRB JE Mechanical Question Paper 2014 (Set-1) with Answer Key

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