A. Steam economy (Correct)
B. Lower operating costs
C. Investment economy
D. None of these
MCQs and Q&As
Pick out the wrong statement pertaining to the decomposition of PCl5 represented by, PCl5 ⇌ PCl3 + Cl2.Degree of dissociation of PCl5 will_________________?
A. Decrease on addition of Cl2
B. Increase on addition of an inert gas at constant pressure
C. Decrease on increasing the pressure of the system
D. None of these (Correct)
Which international organization has officially launched the International Year of the Period Table of Chemical Elements (IYPT-2019)?
A. UNESCO (Correct)
B. UNIDO
C. FAO
D. ITU
In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the_______________?
A. Liquid gradient on the tray (Correct)
B. Lower skirt clearance
C. Lower static submergence
D. Small downcomer liquid seal
The retention time of material in a rotary dryer depends upon its ______________________?
A. rpm
B. Slope & length
C. Flights arrangement
D. All A., B. and C. (Correct)
Mercaptans are________________?
A. Low boiling sulphur compounds
B. Added in LPG cylinders to detect gas leakage by its smell
C. Undesirable in petrol, as they reduce its octane number
D. All A., B. and C. (Correct)
Airports Security Force (ASF) is in-charge of the security of all I. airports II. aerodromes III. civil aviation installations against acts of unlawful interference or threats of such interference.
I. airports
II. aerodromes
III. civil aviation installations against acts of unlawful interference or threats of such interference.
A. I only
B. I and II only
C. I and III only
D. I, II and III only (Correct)
The ends of a cylindrical vessel can be closed by a head, which can be one of the four shapes. For the same thickness, choose the one which can withstand the highest pressure ?
A. Flat plate
B. Hemispherical
C. Torispherical
D. Ellipsoidal (Correct)
How many molecules per unit cell are there in a face centred cubic lattice ?
A. 2
B. 4 (Correct)
C. 6
D. 8
Who is the Special Assistant to Prime Minister on Information Broadcasting and National Heritage?
A. Lt Gen (Rtd) Asim Saleem Bajwa (Correct)
B. Fawad Chaudhry
C. Firdous Ashiq Awan
D. Ms. Marriyum Aurangzeb
Lt Gen (Rtd) Asim Saleem Bajwa is appointed as special assistant to the prime minister on information and broadcasting. PTI Senator Shibli Faraz has been appointed the new information minister of the country, federal minister Fawad Chaudhry and state-run Pakistan Television announced on Monday 27 April 2020.