Chemical Engineering Basics Quiz 7

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Chemical Engineering Basics Quiz 7

1 / 50

Main constituent of bone ash is______?

2 / 50

Maximum permissible sulphur content in steel is _______ percent ?

3 / 50

Lead pencil contains______?

4 / 50

Limestone addition in the blast furnace is done to flux ________ present in the raw materials?

5 / 50

Maximum permissible air velocity in pipelines is about _______ metre/second ?

6 / 50

Maximum change in the hardness of martensite occurs in the carbon content range of ______ percent in steel?

7 / 50

Increasing the carbon content of steel__________?

8 / 50

Lead is poured into the joints between two _____ pipes?

9 / 50

Load cells used for the measurement of weight has_______?

10 / 50

Material of construction of foundry crucible is __________?

11 / 50

Materials having resistivity ranging from 1 to 100 ohm. cm is termed as_____?

12 / 50

Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of__________?

13 / 50

Laser is a device to produce_____?

14 / 50

Lead is poured into the joint between two ________ pipes ?

15 / 50

Liquor poisoning generally occurs due to the presence of ________ in it?

16 / 50

Large diameter reinforced cement concrete (RCC) pipes are generally joined by ______ joint ?

17 / 50

Materials having _________ lattice structure are usually the most ductile ?

18 / 50

L.D. (Linz-Donawitz) converter is used in the production of______?

19 / 50

Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which ______ with increase in the pressure of steam?

20 / 50

Increasing sulphur content in pig iron tends to make it _________?

21 / 50

Melting point & boiling points of liquid oxygen are respectively ? 218.8?C & ? 183?C, while the same for liquid nitrogen is ? 210?C & ? 195.8?C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8 ?

22 / 50

Increase in temperature, in general results in the______?

23 / 50

Metal shots used in shot blasting are made of ________?

24 / 50

M10 index of coke indicates its______?

25 / 50

Joule-Thomson co-efficient is the ratio of_________?

26 / 50

Matte smelting is used in the extraction of_______?

27 / 50

Large scale fire on fuel gas line is normally extinguished by_________?

28 / 50

Maximum hardenability of steel depends upon its_________?

29 / 50

Lead is added to 60:40 brass primarily to improve__________?

30 / 50

Mho?s scale of hardness, which consists of 10 standard minerals is used for the measurement of ________ hardness?

31 / 50

Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an _______ body?

32 / 50

Metallic surveying tapes are made of ______ which has a low co-efficient of expansion & enough strength ?

33 / 50

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m2 .k), when the insulation thickness is _________ mm?

34 / 50

Internal energy of a gas obeying Van-Der-Waals equation of state, [p + (a/v2)] (V ? b) = RT, depends upon its_____?

35 / 50

Limestone is added in the blast furnace (during pig iron manufacture) to________?

36 / 50

Increase in the entropy of a system represents the_______?

37 / 50

Methyl orange indicator turns_______?

38 / 50

In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet ?

39 / 50

Metalloids_________?

40 / 50

In TIG welding, thoriated tungsten electrodes are used, because it ______?

41 / 50

Lead is poured into the joint between two _______ pipes?

42 / 50

Magnesium is present in_____?

43 / 50

Iron content in Indian iron ore is about __________ percent?

44 / 50

Inertial forces are obtained, when the elastic forces are multiplied by _______ number?

45 / 50

Machinability of hard alloys and tool steels is improved by_______?

46 / 50

LVDT used for displacement measurement is a/an ________ Transducer?

47 / 50

Liquid nitrogen containers can be made from _____?

48 / 50

Isotropic materials have the same _________ in all directions?

49 / 50

Maximum consumption of limestone is in the ______ industry?

50 / 50

Insulation of liquid surface can be achieved by ______ on top of its surface?

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