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Chemical Engineering Basics Quiz 13

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Chemical Engineering Basics Quiz 13

1 / 50

Titanium is produced by _____ of Ti Cl4 ?

2 / 50

The usual energy consumption in electric arc furnace steel making is ______ KWh/ton of steel ?

3 / 50

Volume of blast furnace slag is about ________ times the volume of hot metal (pig iron) of the same weight ?

4 / 50

Upto the critical radius of insulation, added insulation, will______?

5 / 50

Titanium is added to molten aluminium alloys before casting for the purpose of_______?

6 / 50

Unbreakable crockeries are made from _______ polymers?

7 / 50

Transformer cores are normally made from ________?

8 / 50

Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the_____?

9 / 50

The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element ?

10 / 50

Thermit welding uses the following energy source ?

11 / 50

Triple point of water is___________?

12 / 50

Thermal equivalent of electrical power in practical calculation is ________ kcal/kWh ?

13 / 50

Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity) ______?

14 / 50

Ultimate strength in tension as compared to that in shear for steel is______?

15 / 50

Water-tube boiler is the one, in which _______?

16 / 50

What is the percentage of chromium in 18-4-1 high speed steel ?

17 / 50

The underground well of a bio gas plant is called the_________?

18 / 50

What happens, when SO2 is passed through a solution of H2S in water ?

19 / 50

To counteract the bad effects of strain hardening on a cold formed part, it must be ________?

20 / 50

Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil, N2 = 80%. This flue gas composition indicates that__________?

21 / 50

Unit of viscosity in CGS system is_________?

22 / 50

Water hammer is caused in steam carrying pipelines, because of ________?

23 / 50

Uniform ramming of sand in green sand moulding process leads to______?

24 / 50

Thermal efficiency of an internal combustion engine is around _______ percent?

25 / 50

Use of economiser in a boiler plant reduces the fuel consumption for steam generation by about ________ percent ?

26 / 50

Thermal conductivity of a material does not depend upon its_______?

27 / 50

Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical value of ?

28 / 50

Transformation range for ferrous material is the temperature interval during which _____ is formed during its heating?

29 / 50

Thermodynamic cycle involved in the working of a thermal power plant is the _______ cycle ?

30 / 50

The value of y = cp/cv. at < 500?C for air & most common gases can be safely assumed to be_______?

31 / 50

Vernier calipers cannot be used to measure the________?

32 / 50

Tumbling is the process of improving the _________ of the materials/parts ?

33 / 50

Wavelength of radiation emitted by a body depends on the _________ of its surface?

34 / 50

Two solutions A1 & A2 have pH value of 2 & 6 respectively. It implies that the solution ?

35 / 50

Thermit welding is categorised as the ________ welding ?

36 / 50

To improve the machinability of steel, it is generally subjected to _______?

37 / 50

Use of flux during soldering is done to___________?

38 / 50

Unit of surface tension in S.I. unit is__________?

39 / 50

Tin based white metals are used, where bearings are subjected to_____?

40 / 50

The unit of gc is _____?

41 / 50

Use of water as a manometric liquid suffers from the disadvantage of its______?

42 / 50

Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of___________?

43 / 50

Theoretical volume of oxygen required for complete combustion of 1Nm3 of acetylene, in oxy-acetylene welding is _______ Nm3 ?

44 / 50

Velocity of a gas in sound is not proportional to (where, T = Absolute temperature of the gas. P = Absolute pressure of the gas. y = Ratio of specific heats (Cp/Cv) ? = specific weight of the gas) ?

45 / 50

Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of _________?

46 / 50

Viscoelastic behaviour is observed in _________ materials?

47 / 50

Tip of the match stick contains a mixture of_________?

48 / 50

Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in _______ position ?

49 / 50

Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion protection, because of its_________?

50 / 50

What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer co-efficient with the ambient atmosphere is 5 W/m2. ?K? Thermal conductivity of metal and insulation material are 40 and 0.1 W/m.?K respectively ?

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Chemical Engineering Basics Quiz 1
Chemical Engineering Basics Quiz 2
Chemical Engineering Basics Quiz 3
Chemical Engineering Basics Quiz 4
Chemical Engineering Basics Quiz 5
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