MCQs and Q&As Archives - Page 22 of 26 -

Pick out the wrong statement?

Pick out the wrong statement?

A. Metal/alloys having hexagonal crystal lattice structure are less malleable than those having
cubic crystal lattice structure
B. Metal/alloys having body centred cubic (bcc) crystal lattice structure is stronger & less ductile
than those having face centred cubic (fcc) crystal lattice structure
C. Tungsten has a body centred cubic (bcc) crystal lattice structure (Correct)
D. Both ferritic & austenitic stainless steel has a face centred cubic (fcc) crystal structure

Pick out the wrong statement? Read More »

Melting of ice exemplifies a/an______________________?

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Melting of ice exemplifies a/an______________________?

A. Adiabatic process
B. Endothermic reaction (Correct)
C. Exothermic reaction
D. Process involving a chemical reaction

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Softness of silver can be converted into hardness by alloying it with small quantity of_________________?

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Softness of silver can be converted into hardness by alloying it with small quantity of_________________?

A. Copper & nickel (Correct)
B. Zinc
C. Aluminium
D. Tin

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_____________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation?

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_____________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation?

A. Magnesium (Correct)
B. Potassium
C. Calcium
D. Sodium

_____________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation? Read More »

Chemical Engineering / Q&A, MCQs / Q&A

‘Synthesis gas’ meant for the synthesis of organic compound is a variable mixture of ____________________?

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‘Synthesis gas’ meant for the synthesis of organic compound is a variable mixture of ____________________?

A. N2 & H2
B. CO2 & H2
C. CO & H2 (Correct)
D. C & H2

‘Synthesis gas’ meant for the synthesis of organic compound is a variable mixture of ____________________? Read More »

Chemical Engineering / Q&A, MCQs / Q&A

Who was the first person who counted the Aayath (verses) of the Qur’an?

Islam, Islamic MCQs / Q&A, MCQs / Q&A / admin

Who was the first person who counted the Aayath (verses) of the Qur’an?

A. Hazrat Fatma(RA)
B. Hazarat Ayesha(RA) (Correct)
C. Hazarat Abu Bakar(RA)
D. Hazarat Umar(RA)

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Islam, Islamic MCQs / Q&A, MCQs / Q&A

Hold up of material in a operating rotary drier is in the range of___________________?

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Hold up of material in a operating rotary drier is in the range of___________________?

A. 0.05 to 0.15 (Correct)
B. 0.25 to 0.50
C. 0.5 to 0.8
D. 0.8 to 0.9

Hold up of material in a operating rotary drier is in the range of___________________? Read More »

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Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in____________________?

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Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in____________________?

A. Coagulation and flocculation of colloids
B. Oxidation of carbonaceous matter to CO2
C. Nitrification or oxidation of ammonia derived from breakdown of nitrogenous organic matter
to the nitrite and eventually to the nitrate
D. All A., B. and C. (Correct)

Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in____________________? Read More »

Chemical Engineering / Q&A, MCQs / Q&A

If the head over the triangular notch is doubled, the discharge will increase by ______________ times?

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If the head over the triangular notch is doubled, the discharge will increase by ______________ times?

A. 2
B. 2.828
C. 5.657 (Correct)
D. 4

If the head over the triangular notch is doubled, the discharge will increase by ______________ times? Read More »

Chemical Engineering / Q&A, MCQs / Q&A

Plasma is_____________________?

Chemical Engineering / Q&A, MCQs / Q&A / admin

Plasma is_____________________?

A. A high temperature neutral gas
B. Nothing but ionised gas (Correct)
C. A source of steady and highest controllable pressure
D. Formed at very low temperature

Plasma is_____________________? Read More »

Chemical Engineering / Q&A, MCQs / Q&A