Chemical Engineering Basics Quiz 4
1 / 50
Dry saturated steam can be converted into super heated steam by______?
2 / 50
Difference at any instant between the value of the controlled variable and the set point is called the___________?
3 / 50
Copper deposits are found in India at the following location ?
4 / 50
Dew point temperature always gives an indication of the ___________ of the moist air ?
5 / 50
Cold chisel & hammers are made of__________?
6 / 50
Colour comparator is used to measure the_____?
7 / 50
Diamagnetic materials_____?
8 / 50
Diffusion co-efficient of a metal in a solid solution depends upon its ?
9 / 50
Dies for wire drawing are generally made of___________?
10 / 50
Earing is a defect found in steels after the following metal working operation ?
11 / 50
Closeness of packing is maximum in case of ______ crystal lattice?
12 / 50
Dephosphorization of molten pig iron is favoured by_________?
13 / 50
Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot_______?
14 / 50
Density in the solid state is slightly less than that in its liquid state, in case of______?
15 / 50
Consumable electrodes are used in the ______ welding?
16 / 50
Dislocations are ________ defects?
17 / 50
Electrical conductivities of semi-conductors are of the order of _______ ohm/cm ?
18 / 50
Diameter of the rivet to be provided on a 20 mm. thick boiler plate will be _______ mm?
19 / 50
Electrometallurgical methods of metal extraction is normally used for those metals_____?
20 / 50
Co-efficient of performance of a Carnot cycle refrigerator operating between ? 23?C and + 27?C is _________?
21 / 50
Cold cracking in the heat affected zone of a high strength steel weld can take place because of the_____?
22 / 50
Cupola produces __________ iron?
23 / 50
Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of ________ gms of zinc per m2 of steel strip ?
24 / 50
Drossing is a _________ operation?
25 / 50
Corrosion of metals cannot be prevented by its___________?
26 / 50
Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is calculated by the ___________ method?
27 / 50
Dislocation cross-slip is difficult in those materials, which have_____?
28 / 50
Current employed in resistance welding ranges from ______ kVA/cm2?
29 / 50
Dryness fraction of dry steam is__________?
30 / 50
Cold working of a material results in increase in hardness, which is termed as the _______ hardening ?
31 / 50
Constituents of stellite are ______?
32 / 50
Common salt is produced from sea water in India generally by the _________ method?
33 / 50
Desalination of water___________?
34 / 50
Cold heading or upsetting is categorised as the _________ process ?
35 / 50
Dowtherm is a______?
36 / 50
Cold chisel?s hammers are made of_____?
37 / 50
Compressed dry air is used as the cutting fluid, while machining______?
38 / 50
During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional to______?
39 / 50
During sensible heating of humid air___________?
40 / 50
Cobalt ? 60 is used as a source of ______ in medical therapy & industrial radiography?
41 / 50
Chlorine acts as a bleaching agent only in the presence of ________?
42 / 50
Corrosion rate cannot be lowered by reducing the _________ of the corroding medium?
43 / 50
Coarse grained steels have______?
44 / 50
Direct conversion of thermal energy to electrical energy is facilitated by the______?
45 / 50
Electrochemical corrosion can occur, only if _________ is present in contact with metal?
46 / 50
Chromium molybdenum steel cannot be welded using _______ welding ?
47 / 50
Damage to metal surface by mechanical action is called______?
48 / 50
Coating provided on the electrodes used in the arc welding is not expected to__________?
49 / 50
During sensible cooling of air, its wet bulb temperature ?
50 / 50
Corrosion is______?
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