GPL - IES Question |

X Close

You need to enable javascript to view this page properly.

Branch

All

Loading

187.

Consider the following statements:
The material properties which principally determine how well a metal may be drawn are
1. Ratio of yield stress to ultimate stress
2. Rate of increase of yield stress relative to progressive amounts of cold work
3. Rate of work hardening
Which of the above statements is/are correct?
(a) 1 and 2
(b) 2 and 3
(c) 1 only
(d) 1,2 and 3

asked in Mechanical Paper-2, 2010

View Comments [0 Reply]
188.

Metallic powders can be produced by
(a) atomization
(b) pulverization
(c) electro-deposition process
(d) All of the above

asked in Mechanical Paper-2, 2010

View Comments [0 Reply]
189.

Iron-carbon equilibrium diagram
(a) correlates the microstructure and properties of steel and cast iron
(b) indicates the phase changes occurring during heating and cooling
(c) is made by plotting carbon percentage along X-axis and temperature along Y-axis
(d) All of the above

asked in Mechanical Paper-2, 2010

View Comments [0 Reply]
190.

An allotropic material has
(a) fixed structure at all temperatures
(b) atoms distributed in random patterns
(c) different crystal structure at different temperatures
(d) fixed structure but random atom distribution

asked in Mechanical Paper-2, 2010

View Comments [0 Reply]
191.

Surface imperfections which separate two orientations that are mirror image of one another is called
(a) stacking fault
(b) grain boundary
(c) tilt boundary
(d) twinned boundary

asked in Mechanical Paper-2, 2010

View Comments [0 Reply]
192.

Consider the following statements:
Alloying elements are added to
1. improve hardness and toughness.
2. corrosion and oxidation resistance improvement.
3. improve machinability and hardenability.
4. increase weight and volume.
Which of the above statements are correct?
(a) 1, 2 and 3
(b) 2, 3 and 4
(c) 1, 2 and 4
(d) 1, 2, 3 and 4

asked in Mechanical Paper-2, 2010

View Comments [0 Reply]

1430 1 ...‹‹30 3132 33 34 ›› ... 239