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Chemical Engineering Basics Quiz 12


Chemical Engineering Basics Quiz 12

1 / 50

The phenomenon occurring during explosion of a hydrogen bomb is_____?

2 / 50

The type of pump used for lifting large quantity of sewage is a __________ pump ?

3 / 50

The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe) ?

4 / 50

The substance used as a smoke screen in warfare is_____?

5 / 50

The refractory lining of the bottom in a basic electric arc furnace is made of_____?

6 / 50

The most suitable material of construction for a sewer to carry sewage under high pressure is__________?

7 / 50

The most suitable material for die casting is ___________?

8 / 50

The minimum carbon content in steel should be ______ percent for it to respond to a hardening treatment ?

9 / 50

The property of material, by which a given amount of energy is absorbed by it, without plastic deformation, is called___________?

10 / 50

The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling below 400?C is___________?

11 / 50

The passage between the nozzle and the _________ is called ?sprue? in case of injection moulding?

12 / 50

The product out from a cupola is called ______?

13 / 50

The temperature at which ferromagnetic material can no longer be magnetized by the outside forces, is termed as the______?

14 / 50

The ratio of the shear stress to the principal stress on a principal plane is________?

15 / 50

The stress at which extension of the material takes place more rapidly as compared to the increase in load is termed as the ______ point of the material?

16 / 50

The refrigerant freon-12 is chemically_________?

17 / 50

The swift cup test evaluates the following property of a sheet metal ?

18 / 50

The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding ________ grinding wheel is normally used ?

19 / 50

The minimum and the maximum number of members required to form a Private Limited Joint Stock Company are respectively ___________?

20 / 50

The rolling process cannot be used to produce________?

21 / 50

The minimum temperature to which the water can be cooled in a cooling tower is the _______ temperature of air?

22 / 50

The specific gravity of coal depends mainly on its ___________ content ?

23 / 50

The mechanism involved in the removal of metal in drilling operation is by__________?

24 / 50

The most detrimental impurity in high pressure boiler feed water is _____?

25 / 50

The normal stress is the same in all directions at a point in a fluid, only when the fluid___________?

26 / 50

The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the_____?

27 / 50

The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron ?

28 / 50

The trace metal present in insulin is______?

29 / 50

The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be________?

30 / 50

The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the ________ allowance ?

31 / 50

The most important function of a washer is to provide bearing area and washers are normally specified by their hole diameters. The diameter of washer as compared to the nut is___________?

32 / 50

The most prominent single cause of corrosion in boiler-tubes, drums, economisers and steam superheaters in a thermal power plant boiler is the________?

33 / 50

The ratio of thermal & electrical conductivity is same for all the metals at the same temperature; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, ?K) ?

34 / 50

The most important consideration in value engineering is the_______?

35 / 50

The same volume of all gases is representative of their_______?

36 / 50

The order of a chemical reaction______?

37 / 50

The starting of a car takes time in winter, because the___________?

38 / 50

The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the ?Curie temperature?. Its value for cobalt is _______ ?C?

39 / 50

The most important requirement for aluminium industry is the availability of cheap ________?

40 / 50

The two elements required to form substitutional solid solution should not have_____?

41 / 50

The noble metals_________?

42 / 50

The surface tension of a liquid, at critical temperature is______?

43 / 50

The property of material, by which a given amount of energy is absorbed by it without plastic deformation, is called the__________?

44 / 50

The thermodynamic law, PVy = constant, is not followed by the ___________?

45 / 50

The product (s) of roasting of a sulphide ore is (are) ?

46 / 50

The product of a commercial direct reduction process is_____?

47 / 50

The process of removal of scale formed during hot rolling of steel is termed as__________?

48 / 50

The thickness of oxide film is y at time t. If K1, K2 and K3 are the temperature dependent constants, the parabolic law of oxidation is given by ___________?

49 / 50

The pressure outside a bubble/droplet of liquid is _________ the internal pressure?

50 / 50

The most abundant metal present in the earth?s crust is___________?

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Chemical Engineering Basics Quiz 1
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