Materials and Construction Quiz 7
1 / 50
Tank furnace used for melting of glass is made of_____?
2 / 50
Residual magnetism in steel for magnets is increased by the addition of___________?
3 / 50
Spray dryer for evaporating milk to produce milk powder is made of__________?
4 / 50
Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si)_____?
5 / 50
Sulphur melting pit in the sulphuric acid plant is made of___________?
6 / 50
Presence of high amount of silicon in cast iron_________?
7 / 50
Silicon percentage in iron castings to have maximum hardness should be about___________?
8 / 50
Slow plastic deformation of metals under a constant stress is termed as ______ failure?
9 / 50
Sulphuric acid pickling tanks are lined with___________?
10 / 50
Spark plugs are made of________?
11 / 50
Silicone rubber is not resistant to the corrosive action of______?
12 / 50
Presence of silicon in steel_______?
13 / 50
Spark plugs, ignition tubes and electrodes are made of nickel _____ alloys?
14 / 50
Stainless steel is not corroded by _______?
15 / 50
Steel balls for ball bearings are generally made of _______ steel?
16 / 50
Silicon percentage in acid resistant cast iron is about_________?
17 / 50
Tempering of steel is done to make it_________?
18 / 50
SO3 is absorbed using H2SO4 in a______?
19 / 50
Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with___________?
20 / 50
Presence of 0.3 to 0.5% arsenic in copper increases its______?
21 / 50
Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is ______ percent?
22 / 50
Presence of even 0.005% of ______ in copper makes it highly brittle, rendering it useless for wire-drawing?
23 / 50
Softness of silver can be converted into hardness by alloying it with small quantity of__________?
24 / 50
Specify the material of construction suitable for handling concentrated HNO3 at 100?C ?
25 / 50
Stainless steel contains__________?
26 / 50
Presence of even very minute amount (say 0.1%) of _______ in copper, reduces its electrical conductivity very seriously?
27 / 50
Presence of high phosphorous in cast iron increases its______?
28 / 50
Rubber lined pumps can be used to pump__________?
29 / 50
Presence of nickel in steel improves its__________?
30 / 50
Purity of electrical grade aluminium should be ? ______ percent?
31 / 50
Presence of manganese in alloy steel improves its_____?
32 / 50
Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysteresis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%) ?
33 / 50
Rubber lined vessels are corroded by the action of___________?
34 / 50
Shock resisting steels should possess high_____?
35 / 50
Presence of cobalt in steel improves its______?
36 / 50
Sherardizing process is used for___________?
37 / 50
Reactor used in the production of polyvinyl chloride (PVC) is made of______?
38 / 50
Steel rods are used in reinforced concrete to increase its _______ strength?
39 / 50
Rotary driers are generally made of________?
40 / 50
Presence of nitrogen in steel_____?
41 / 50
Reduction in the grain size reduces the ________ of the material?
42 / 50
Refined acetic acid storage vessel are made of_____?
43 / 50
Slow and progressive deformation of a material with time under constant stress is called_____?
44 / 50
Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with_______?
45 / 50
Rotary kilns in cement industry are lined with ______bricks?
46 / 50
Soap kettle used in the production of laundry soap is made of______?
47 / 50
Steel pipes are normally manufactured by _______ process?
48 / 50
Teflon (PTFE) is corroded by________?
49 / 50
Softening of hardened steel is done by its_______?
50 / 50
Steel tower used for the storage of oleum_________?
Provide Your Information
Your score is
The average score is 0%
Restart quiz
