Ceramics are produced from silicates or clayish materials: Which of the following is not a ceramic material?

Ceramic nanoparticles are classified into three groups – ceramic nanoparticles, ceramic nanoscaffolds and ceramic nanoclays.

A

False

B

True

AT Co makes a single product and is preparing its material usage budget for next year Each unit of product requires 2kg of material, and 5,000 units of product are to be produced next year Opening inventory of material is budgeted to be 800 kg and AT co budgets to increase material inventory at the end of next year by 20%.The material usage budget for next year is

A

8,000 Kg

B

9,840 kg

C

10,000 Kg

D

10,160 Kg

Hybrid nanospheres with this ceramic quantum dots possess efficient sensitivity and high selectivity that is used for donating and real time detecting nitric oxide. Which ceramic particle is it?

A

Titanium oxide

B

Zirconium

C

Cadmium-selenide

D

Sodium bicarbonate

Ceramics make excellent refractory materials. A material is said to be refractory if it:

A

resists the flow of electric current

B

has high refractive index

C

retains its strength at high temperatures

D

all of the mentioned

Which of the following is magnesium silicates?

A

Porcelain

B

Earthenware

C

Stoneware

D

Steatite

For a beam, as shown in the below figure, the deflection at C is (where E = Young's modulus for the beam material and $$I$$ = Moment of inertia of the beam section.)
Strength of Materials in ME mcq question image

Strength of Materials in ME mcq question image

A

$$\frac{{{\text{W}}{l^3}}}{{48{\text{E}}I}}$$

B

$$\frac{{{\text{W}}{{\text{a}}^2}{{\text{b}}^2}}}{{3{\text{E}}Il}}$$

C

$$\frac{{{\text{Wa}}}}{{{\text{a}}\sqrt 3 {\text{E}}Il}} \times {\left( {{l^2} - {{\text{a}}^2}} \right)^{\frac{3}{2}}}$$

D

$$\frac{{5{\text{W}}{l^3}}}{{384{\text{E}}I}}$$

In which type of Cracking, aluminum silicates,or natural clay is used?

A

Thermal cracking

B

Catalytic cracking

C

Hydrogen cracking

D

Polymerized cracking

Zeolite comes under which group of silicates?

A

Inosilicate

B

Tectosilicate

C

Nesosilicate

D

Sorosilicate

The heavier silicates named 'Sima' or silica + magnesium are most abundant in the ________

A

Crust

B

Core

C

Mantle

D

Ocean floors

What happens to rubber composites reinforced with organophilic layered silicates in the absence of a coupling agent?

A

Retarded optical transparency

B

Reduction in Young’s modulus

C

Increased tensile strength

D

Reduced strain at break

Ceramics are produced from silicates or clayish materials: Which of the following is not a ceramic material?

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