Stresses encountered in the metal forming processes are less than the __________ of the material.
Fracture strength
Yield strength
Elastic limit
Limit of proportionality
- Thermistors are used in __________ devices.
- Pick out the wrong statement.
- __________ is the most important element, which controls the physical properties of steel.
- Name the safety device used to protect the boiler, when the water level falls below a minimum level.
- As per the Indian boiler regulation (IBR), the type of joint preferred for the circumferential joint…
- Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.A.…
- Which of the following pairs is not correctly matched?
- Larger length & diameter water pipes are made by
- Projection welding & stud welding is categorised as the __________ welding.
- In a counter flow heat exchanger, hot fluid enters at 170°C & leaves at 150°C, while the cold…
- Holes for riveting purposes should be preferably made by
- In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer…
- Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel.
- The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume :…
- The minimum and the maximum number of members required to form a Private Limited Joint Stock Company…
- Which of the, following is not associated with the functioning of a petrol engine?
- Young's modulus of a material is the measure of its
- Brass parts with high residual tensile stress at the surface are susceptible to season cracking (i.e.…
- Out of the following, the __________ pipe has the least corrosion resistance.
- Which of the following materials has the least scrap value?
- The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm2.
- Encyclopaedia of Chemical Technology has been
- Euler number is defined as the ratio of inertia force to __________ force.
- Liquid nitrogen containers can be made from
- In chemical dehumidification process
- Titanium is added to molten aluminium alloys before casting for the purpose of
- On being hit with a hammer, __________ will readily fracture.
- Hydrogen in liquid steels is dissolved
- Which of the following materials has the poorest electrical conductivity?
- The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 × 10-16 m2S-1 and it is 1.94 ×…