Diameter of the rivet to be provided on a 20 mm. thick boiler plate will be __________ mm.
10
20
30
40
- The property of material, by which a given amount of energy is absorbed by it, without plastic deformation,…
- Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect…
- __________ has a negative co-efficient of linear expansion.
- In the blast furnace, incorporation of water vapour in the blast gives the following effect.
- Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by
- Breakeven point represents the condition, when the company runs under no profit no loss condition. In…
- The ratio of the shear stress to the principal stress on a principal plane is
- Which of the following does not discharge the dust collected as a dry solid?
- With increase in temperature, the surface tension of water
- Friction factor for fluid flow in pipe does not depend upon the
- Factor of safety is the ratio of the __________ stress to the working stress.
- Potable water means the water used for
- Unit of surface tension in S.I. unit is
- Tin based white metals are used, where bearings are subjected to
- A compact estimate about the amount of materials handling between various work stations is obtained…
- For grinding of softer materials, the grinding wheel should have __________ grain size.
- Out of the following, the alloy which has equal percentage of constituents, is
- Sub zero treatment of steel is done to
- Triple point of water is
- Which of the following does not have a sharp melting point?
- Ganister contains maximum percentage of
- Pick out the wrong statement.
- The transition temperature at which all the ferromagnetic materials become paramagnetic materials is…
- One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C).…
- Unbreakable crockeries are made from __________ polymers.
- Secondary hardening in steels arises out of the
- Temper brittleness of a material can be fairly detected by the __________ test.
- Which of the following is not a charge material for cupola?
- Consideration of the creep is the most important in case of the
- __________ is the most important element, which controls the physical properties of steel.