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