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