Chemical Engineering Basics MCQ Questions & Answers

61

Pick out the wrong statement.

A) Partnership is suitable for medium size business B) A certain minimum of subscription of capital is required for legally starting a business in a Public Limited Joint Stock Company C) Public Limited Joint Stock Company is legally bound to issue prospectus after registration D) A small scale industry is the one, which has a minimum capital investment of Rs. 50 lakhs and maximum 100 lakhs

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Answer & Solution

Answer: Option D

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62

Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.

A) Burning B) Intensive oxidation C) Evaporation D) None of these

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Answer & Solution

Answer: Option B

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63

Out of the following, the highest emf for a given temperature is generated by the __________ thermocouple.

A) Chromel - alumel B) Iron - constantan C) Platinum - platinum + rhodium D) Copper-constantan

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Answer & Solution

Answer: Option B

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64

__________ property of a material is determined by the Herbert Pendulum device.

A) Hardness B) Tensile C) Toughness D) Compressive

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Answer & Solution

Answer: Option A

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65

For preparation of porous bearings by powder metallurgy, preferred particle shape is

A) Spherical B) Nodular C) Irregular D) No preferred shape

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Answer & Solution

Answer: Option A

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66

While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the

A) Low impact strength B) High flexibility C) Better finish and surface appearance D) High plastic deformation

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Answer & Solution

Answer: Option A

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67

Enzymes belong to the category of

A) Proteins B) Carbohydrates C) Vitamins D) Fats

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Answer & Solution

Answer: Option A

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68

Dryness fraction of dry steam is

A) 0 B) $$\infty $$ C) 1 D) 0.5

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Answer & Solution

Answer: Option C

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69

At room temperature, F.C.C. crystal structure is observed in

A) Lead B) Cupro-nickel C) Titanium D) Tungsten

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Answer & Solution

Answer: Option A

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70

Pick out the wrong statement:

A) Soft water is more corrosive than that carrying calcium salts B) The corrosion of brass condenser tubes handling brine solution is also termed as 'dezincification' C) Non-annealed brass is highly susceptible to season cracking (i.e., inter-crystal corrosion due to internal stresses) D) Pure copper is highly susceptible to stress corrosion

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Answer & Solution

Answer: Option D

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Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering