The most serious manufacturing defect from fracture toughness point of view is
Surface roughness
Pores
Spherical inclusion
Crack
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- Laser is a device to produce
- Name the safety device used to protect the boiler, when the water level falls below a minimum level.
- In chemical dehumidification of air
- The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is…
- While the bin cards are used in the effective stores management, the queuing theory is associated with…
- __________ temperature remains constant during adiabatic saturation process of unsaturated air.
- Insulation of liquid surface can be achieved by __________ on top of its surface.
- __________ is the hardest oxide and is hence used where high wear resistance at high temperature is…
- The friction factor for the turbulent fluid flow in a rough pipe does not depend upon the
- CANDU type nuclear reactor using natural uranium as fuel is the extensively used nuclear reactor because…
- To improve the machinability of steel, it is generally subjected to
- The amount of different substances produced, when the same quantity of electricity is passed through…
- Stresses encountered in the metal forming processes are less than the __________ of the material.
- Cascade control is
- Silicon in steel
- Holes for riveting purposes should be preferably made by
- In inventory control theory, the economic order quantity (EOQ) is the
- The bank of tubes located at the back of the domestic refrigerators are the __________ tubes.
- Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.
- Joining of thin foils is preferred to be done by
- Brittleness induced due to the presence of sulphur in steel can be reduced by adding
- Which of the following metals is not subjected to electrolytic refining/purification?
- Strain hardening effect in metals subjected to cold working is due to the __________ mechanism.
- Electrometallurgy is not involved in the extraction of __________ from its ore.
- Which of the following is preferred for riveting?
- __________ joint is mostly used for joining pipes carrying water at low pressure.
- Which of the following is normally not found in both the S.I. (petrol) & C.I. (diesel) engines?
- Frother is added in the froth floatation cell used in ore beneficiation to stabilise the air bubbles…
- Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.
- Which of the following is not a principal alloying element for the structural steel?