A. 25-28
B. 52-54 (Correct)
C. 75-80
D. > 98
MCQs / Q&A
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
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
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
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
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
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
Synonym of ” Undergo ” is _____________?
A. Lambast
B. Theive
C. Lay to rest
D. Experience (Correct)
E. Proclaim
Solve for x 2x:25 = 6:(x/3)
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
In which distribution successive trials are without replacement:____________________?
A. Hypergeometric distribution (Correct)
B. Binomial distribution
C. Poisson distribution
D. Geometric distribution