Home
About Us
Contact Us
Privacy Policy
Search
Home
→
Chemical Engineering Basics
→
Cold working of a material results in increase in hardness, which is termed as the ______________ hardening ?
Related MCQs
__________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C ?
Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity) __________?
During sensible heating of humid air__________?
During sensible cooling of air, its wet bulb temperature ?
Function of gear box is to__________?
Carbon supply in pack carburising process is in the form of __________?
Heat release during phase change is observed in case of a/an__________?
Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are __________ respectively ?
Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses ?
The excess air required for the combustion of pulverized coal is of the order of about __________ percent ?
The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a boiler ?
Thermal conductivity of a material does not depend upon its__________?
The type of pump used for lifting large quantity of sewage is a __________ pump ?
Coating provided on the electrodes used in the arc welding is not expected to__________?
Non-ferrous alloys used for making cutting tools need not have high__________?
Transformer cores are normally made from __________?
Pearlite comprises of__________?
Spheroidising of a material is a/an __________ process?
__________ number determines whether the fluid flow in an open channel is super-critical, critical or sub-critical ?
Satellite is a __________ material?
Catalyst used in the catalytic converter employed in automobiles to convert CO into CO2 and for complete oxidation of un-burnt hydrocarbons is__________?
Cascade control is__________?
For the irreversible reaction, Ca+ 2C = Ca C2 , Δ H°298 = – 60000 J . mole-1 . If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be__________?
Hardening of steel is not possible, unless it is heated __________ critical point ?
Strain hardening effect in metals subjected to cold working is due to the __________ mechanism?
Atomic __________ of an element is a whole number ?
Which of the following heat treatment processes is usually applied to castings ?
A material is capable of resisting softening at high temperature, because of its property termed as__________?
When an isolated thermodynamic system executes a process __________?
The main constituent of bones is __________?
Which of the following alloying elements is present in maximum percentage in high speed steel ?
Baffles provided on the shell side of a shell and tube heat exchanger are meant for __________?
While the bin cards are used in the effective stores management, the queuing theory is associated with the __________ time ?
__________ iron is produced by the annealing of white cast iron?
With increase in impurities in metals, their corrosion resistances__________?
In the blast furnace, incorporation of water vapour in the blast gives the following effect ?
The product out from a cupola is called __________?
The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the ‘Curie temperature’. Its value for cobalt is __________ °C?
Super conduction in metals is observed at a temperature of __________ °K?
Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body?
Which of the following is the largest quantum of pressure ?
Absolute zero, pressure will occur, when the molecular momentum of the system becomes zero. A liquid will cease to exist as liquid at__________?
In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length, the thermal boundary layer thickness as compared to hydrodynamic boundary layer thickness is ?
The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the__________?
Hot working of lead is carried out at __________?
The Al2O3 content of cryolite in Hall-Heroult cell is maintained between __________ percent ?
Fatigue resistance of a material is measured by the __________?
Ultimate strength in tension as compared to that in shear for steel is__________?
Dry saturated steam can be converted into super heated steam by__________?
Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog ?
Dielectric__________?
Cold working of a material results in increase in hardness, which is termed as the ______________ hardening ?
A. Cold
B. Work
C. Age
D. Induction
Correct Answer:
Work
✔
Last Updated:
February 10, 2019