Dies for wire drawing are generally made of
Mild steel
Stainless steel
Carbides
High carbon steel
- The leaching solvent used in Baeyer's process for the purification of bauxite is
- The most important consideration in value engineering is the
- Which of the following equipments is used for liquid dispersion?
- Identify the correct statement.
- The thickness of oxide film is y at time t. If are the temperature dependent constants, the parabolic…
- Hot extrusion of aluminium is done in the temperature range of __________ °C.
- In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length,…
- Name the safety device used to protect the boiler, when the water level falls below a minimum level.
- Percentage of differential pressure lost in a Venturimeter with a tapering of 15° may be about
- Gratings is associated with the measurement of
- Which of the following is a boiler accessory i.e., not a boiler mounting?
- Removal of non-condensable from steam or other vapour is termed as the __________ process.
- Air standard Otto cycle is more efficient than the diesel cycle for the same
- Thermal conductivity of a material does not depend upon its
- On being hit with a hammer, __________ will readily fracture.
- Powder metallurgy technique is used in the production of __________ tools.
- Consumable electrodes are used in the __________ welding.
- Maximum permissible air velocity in pipelines is about __________ metre/second.
- The cathode in an electrochemical cell always carries
- Out of the following __________ iron has the best capability to bear sudden & excessive shocks.
- What is the value of entropy at 273°K?
- The most important consideration, while designing the refrigeration system of an aircraft is that the…
- __________ property of steel increases by addition of large amount of silicon in it.
- The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm2.
- Which of the following properties of a solid is not dependent on crystal imperfection?
- Increase in the entropy of a system represents the
- Use of economiser in a boiler plant reduces the fuel consumption for steam generation by about __________…
- When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature…
- Pressure required to increase the density of water by about 1% is __________ atmosphere.
- Boiler tube size is specified by its thickness and __________ diameter.