- (A) Low corrosiveness
- (B) Low dirt factor
- (C) High specific heat
- (D) Low viscosity
Exam preparation MCQs with answers
Practice Pakistan's most useful MCQs for competitive exams
Prepare for NTS, PPSC, FPSC and subject-wise tests with fresh multiple choice questions, clear options and quick answer reveal.
Latest MCQs
- (A) 0.05 to 0.15
- (B) 0.25 to 0.50
- (C) 0.5 to 0.8
- (D) 0.8 to 0.9
- (A) Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for pressure vessels operating above a pressure of 1.5 MN/m2
- (B) Resist half the pressure rating compared to hemi spherical head provided on the cylindrical shell of the same thickness and diameter
- (C) Are approximately as strong as seamless cylindrical shell having the corresponding I.
- (D) and O.D
- (A) About 9
- (B) Considerably more than 9
- (C) Considerably less than 9
- (D) About 3
- (A) rpm
- (B) Slope & length
- (C) Flights arrangement
- (D) All
- (A) 45
- (B) 60
- (C) 80
- (D) 95
- (A) G0.2
- (B) G0.5
- (C) G0.8
- (D) G1.5
- (A) 2.5
- (B) 5
- (C) 12.5
- (D) 17.5
- (A) Screwing
- (B) Welding
- (C) Brazing
- (D) All
- (A) Plate tower is preferred, if interstage cooling is required to remove heats of reaction or solution
- (B) Plate tower is preferred over packed tower, if the operation involves liquids containing dispersed solids
- (C) The total weight of a dry plate tower is usually much more than that of a dry packed tower designed for the same duty
- (D) In operations involving large temperature changes. (
- (E) g. distillation), plate towers are preferred over packed towers as the packing may be crushed due to large temperature changes
