Chemical Engineering Basics Quiz 3
1 / 50
Case hardening of a material is___________?
2 / 50
An example of unsteady non uniform flow is the flow of liquid under pressure through a___________?
3 / 50
Catalyst used in the catalytic converter employed in automobiles to convert CO into CO2 and for complete oxidation of un-burnt hydrocarbons is_____?
4 / 50
Atomic __________ of an element is a whole number ?
5 / 50
Batch process is preferred over continuous process, when the_____?
6 / 50
Atomic ________ is a whole number for an element?
7 / 50
Cassiterite is an ore of__________?
8 / 50
Brass parts with high residual tensile stress at the surface are susceptible to season cracking (i.e. spontaneous cracking occuring on exposure to atmospheric corrosion), if its zinc percentage is more than ?
9 / 50
Bad odour in sanitary latrines is reduced by periodically sprinkling_______?
10 / 50
Brazing is the joining of metals_______?
11 / 50
Change in volume of metals from absolute zero temperature to their melting points is_____?
12 / 50
At the point of boundary layer separation in fluid flow, the _______?
13 / 50
As per international norms, the maximum permissible value of noise level in the industrial environment is ______ decibels as measured at a distance of 1.5 meters from the source of noise?
14 / 50
As per the Indian boiler regulation (IBR), the type of joint preferred for the circumferential joint is the ______ joint ?
15 / 50
At 100% relative humidity, the dew point temperature of moist air is__________?
16 / 50
As the fluid flow rate increases, the float of the Rotameter______?
17 / 50
Calorific value of ______ are almost same?
18 / 50
At absolute zero temperature, for any reaction involving condensed phases ?
19 / 50
Biological shield in a nuclear reactor is generally provided to protect against the___________?
20 / 50
Capacity & power requirement for an air compressor working at high altitude compared to sea-level will be________?
21 / 50
Austempering of steel requires it to be heated to 875?C followed by sudden cooling to 250- 525?C, thereby changing austenite to_____?
22 / 50
An alloy of Fe ? 0.4 % C is___________?
23 / 50
Cascade control is_____?
24 / 50
An abrupt and sudden fall in the reading of barometer is an indication of the______?
25 / 50
Carbon supply in pack carburising process is in the form of _____?
26 / 50
Austempering process results in the formation of _________ structure ?
27 / 50
Cementite is in the lamellar form in the _______ phase of steel ?
28 / 50
Carnot cycle is also termed as the constant __________ cycle in thermodynamics?
29 / 50
Case hardening is not done by_________?
30 / 50
Auto collimator is used to check______?
31 / 50
Blast furnace slag is mainly molten__________?
32 / 50
Blow off cock is provided in steam boiler to ______?
33 / 50
Blasting of tri-nitro-toluene (TNT) is done by mixing it with ammonium________?
34 / 50
Boiling point of water gets lowered at high altitudes (e.g., hills), because _____?
35 / 50
Breakeven point represents the condition, when the company runs under no profit no loss condition. In break even analysis, total cost comprises of fixed cost_________?
36 / 50
An approximately ______ process exemplifies the flow of a gas through a very long pipe of uniform cross-section ?
37 / 50
Carbon is present in the form of _________ in grey cast iron ?
38 / 50
Brazing filler metal used for joining steel plates__________?
39 / 50
Brittleness induced due to the presence of sulphur in steel can be reduced by adding_______?
40 / 50
Basic open hearth furnace (BOF) is not used for producing _______ steel?
41 / 50
Boiler draught of 10 mm water column is equivalent to_______?
42 / 50
Cemented carbide tools are not suitable for cutting_____?
43 / 50
Baffles provided on the shell side of a shell and tube heat exchanger are meant for _______?
44 / 50
Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition of_______?
45 / 50
An oxidation process is accompanied with decrease in the______?
46 / 50
Angular displacement can be measured suitably by a________?
47 / 50
Cast iron contains ______ percent carbon?
48 / 50
Annealing of white cast iron produces _______ iron?
49 / 50
Brittleness induced due to the presence of sulphur in steel can be reduced by adding______?
50 / 50
Boiler tube size is specified by its thickness and _______ diameter ?
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