MCQs / Q&A Archives - Page 11 of 1228 -

Triple superphosphate which contains about 46% P2O5 is produced by the reaction of phosphate rock with ortho phosphoric acid of_____________ percent concentration?

Triple superphosphate which contains about 46% P2O5 is produced by the reaction of phosphate rock with ortho phosphoric acid of_____________ percent concentration?

A. 25-28
B. 52-54 (Correct)
C. 75-80
D. > 98

Triple superphosphate which contains about 46% P2O5 is produced by the reaction of phosphate rock with ortho phosphoric acid of_____________ percent concentration? Read More »

American president has fired Rex Tillerson as secretary of state and has appointed whom as his successor?

Current Affairs, MCQs / Q&A / admin

American president has fired Rex Tillerson as secretary of state and has appointed whom as his successor?

A. Mike pompeo (Correct)
B. James N.Mattis
C. Nikki haley
D. Jefferson sessions

American president has fired Rex Tillerson as secretary of state and has appointed whom as his successor? Read More »

Current Affairs, MCQs / Q&A

Polymerisation reactor used for the production of styrene butadiene rubber (SBR) is made of__________________?

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

Polymerisation reactor used for the production of styrene butadiene rubber (SBR) is made of__________________?

A. Cast iron
B. Stainless steel or glass lined vessel (Correct)
C. Karbate
D. Wrought iron

Polymerisation reactor used for the production of styrene butadiene rubber (SBR) is made of__________________? Read More »

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

For the manometer set up shown in the figure, the pressure difference PA – PB is given by_________________?

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

For the manometer set up shown in the figure, the pressure difference PA – PB is given by_________________?

A. (ρH – ρair)gH (Correct)
B. (ρH – ρL)gH
C. (ρH – ρL) gH + (ρL – ρair) . g(L – H)
D. (ρH – ρL) gL + (ρL – ρair)gH

For the manometer set up shown in the figure, the pressure difference PA – PB is given by_________________? Read More »

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

Increasing the carbon content of steel_________________?

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

Increasing the carbon content of steel_________________?

A. Reduces the upper shelf energy
B. Increasing the ductility transition temperature (Correct)
C. Decreases brittleness
D. Decreases hardness

Increasing the carbon content of steel_________________? Read More »

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

Which of the following impurities in feed water for high pressure boiler is the most detrimental ?

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

Which of the following impurities in feed water for high pressure boiler is the most detrimental ?

A. Silica (Correct)
B. Dissolved oxygen
C. Suspended salt
D. Dissolved salt

Which of the following impurities in feed water for high pressure boiler is the most detrimental ? Read More »

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

Facebook and Pakistan’s Ministry of Information Technology launched the first Facebook Innovation Lab in Pakistan on____________?

Current Affairs, MCQs / Q&A / admin

Facebook and Pakistan’s Ministry of Information Technology launched the first Facebook Innovation Lab in Pakistan on____________?

A. 04 April 2019
B. 02 April 2019
C. 03 April 2019 (Correct)
D. 01 April 2019

Facebook and Pakistan’s Ministry of Information Technology launched the first Facebook Innovation Lab in Pakistan on____________? Read More »

Current Affairs, MCQs / Q&A

Synonym of ” Undergo ” is _____________?

English, MCQs / Q&A / admin

Synonym of ” Undergo ” is _____________?

A. Lambast
B. Theive
C. Lay to rest
D. Experience (Correct)
E. Proclaim

Synonym of ” Undergo ” is _____________? Read More »

English, MCQs / Q&A

Solve for x 2x:25 = 6:(x/3)

Mathematics MCQs / Q&A, MCQs / Q&A / admin

Solve for x
2x:25 = 6:(x/3)

A. 18
B. 15 (Correct)
C. 12
D. 5

2x/25 = 6/(x/3) 2x/25 = 18/x 2x*x = 18*25 x² = 9*25 x=3*5 x=15

Solve for x 2x:25 = 6:(x/3) Read More »

Mathematics MCQs / Q&A, MCQs / Q&A

In which distribution successive trials are without replacement:____________________?

MCQs / Q&A, Statisticsk MCQs / Q&A / admin

In which distribution successive trials are without replacement:____________________?

A. Hypergeometric distribution (Correct)
B. Binomial distribution
C. Poisson distribution
D. Geometric distribution

In which distribution successive trials are without replacement:____________________? Read More »

MCQs / Q&A, Statisticsk MCQs / Q&A