Materials and Construction Quiz 4
1 / 50
Hastelloy comprises of______?
2 / 50
Fatigue strength of a material increases by_______?
3 / 50
Hot working of lead is carried out at__________?
4 / 50
Gas holder of a gobar (cow-dung) gas plant is made of_____?
5 / 50
Hammers and railway rails are normally made of_____?
6 / 50
Duriron is___________?
7 / 50
Graphite is a good_________?
8 / 50
Dry chlorine can be handled in a vessel made of___________?
9 / 50
Fatigue failure of a material results from _______ stress?
10 / 50
High degree of toughness is a must for___________?
11 / 50
Hardening of steel is not possible unless it is heated _______ critical point?
12 / 50
Dielectric strength of a material is______?
13 / 50
High speed steel tools retain their hardness upto a temperature of ______ ?C?
14 / 50
German silver is an alloy of copper, nickel and_________?
15 / 50
Generally ______ are subjected to galvanising (i.e., zinc coating)?
16 / 50
Fatigue failure of a material may occur, when it is subjected to ______ stress?
17 / 50
Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the___________?
18 / 50
High speed steel should have high_____?
19 / 50
Dies for wire drawing are generally made of___________?
20 / 50
German silver in an alloy of_________?
21 / 50
Hardened steel is softened by_____?
22 / 50
Hardest materials so far found is__________?
23 / 50
Gun metal is an alloy of___________?
24 / 50
For platinum thermocouples, lead wires are made of_____?
25 / 50
For storing water and acid free benzol, use a _______ vessel?
26 / 50
Evaporators used in caustic soda recovery and production plant are made of________?
27 / 50
For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is___________?
28 / 50
Galvanised iron is_____?
29 / 50
Galvanising is generally done on_____?
30 / 50
Glass lined vessels are not used for handling___________?
31 / 50
Glass lined vessels are not used for handling/storing___________?
32 / 50
Fermenter used in the production of penicillin by deep fermentation process is a _______ lined steel vessel ?
33 / 50
Galvanising (i.e., zinc coating) of steel sheets is done to________?
34 / 50
Dilute sulphuric acid is transported in ______ pipes?
35 / 50
High carbon steel contains more than ______ percent carbon?
36 / 50
For spinning viscose rayon, the extrusion spinnerettes are made of _____?
37 / 50
Ferric stainless steels compared to austenitic stainless steels_________?
38 / 50
Fatigue failure of a material results from ______ stress?
39 / 50
German silver used for decorative purposes contains maximum percentage of_____?
40 / 50
Duralumin is an alloy of__________?
41 / 50
Hastelloy C is a good material of construction in chemical process industry, since it is _____?
42 / 50
High speed cutting tool steels contain about ________ percent of tungsten?
43 / 50
Glass is corroded by_________?
44 / 50
H2SO4 (< 50% concentration) is corrosive to__________?
45 / 50
Gunmetal and bronze are not corroded by the action of___________?
46 / 50
Galvanising is not a zinc diffusion process. A zinc diffusion process is termed as_______?
47 / 50
Graphite is corroded by__________?
48 / 50
Hardest material so far found is___________?
49 / 50
Heavy duty bearings are usually made of_____?
50 / 50
Evaporator used for concentrating tomato juice is made of ___________?
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