Alum is
A.hygroscopic
B.abrasive
C.none of the above
Author: BILAL KHATTAK
Which of the following petroleum products has minimum C/H ration (by weight)?
A.Gasoline
B.Aviation turbine fuel
C.High speed diesel oil
D.Furnace oil
Casting made in relatively simple shapes and designed for subsequent fabrication by rolling, forging etc. are known as
A.rolls
B.chills
C.ingots
D.pigs
Weld spatter is
A.A flux
B.A filler material used in gas welding
C.A filler material used in soldering
D.An electrode used in inert atmosphere
E.A welding defect
Testes descend into the scrotal sacs only during breeding season in which of the following animal:
A.Bat
B.Rat
C.Hedge-hog
D.All of these
The presence of oleophilic impurities in the crude petroleum causes
A.corrosion in the crude distillation unit column overhead system
B.erosion of crude petroleum pumps
C.fouling of heat transfer surfaces
D.all of the above
Roland Barthes was born in
A.1915
B.1815
C.1715
Manning’s formula is used to determine
A.Friction hed loss in pipes running full
B.Friction head loss in pipes running partially full
C.Friction head loss in open channels
D.Friction head loss in irregular sections
E.Discharge through weirs and notches
A synchro is
A.A variable reluctance transducer
B.A parabolic transducer
C.An angular position transducer
D.A synchronizing transducer
E.Any of the above
A complete set of chromosomes, which is inherited as a unit from one parent is called:
A.Genotype
B.Genome
C.Gamete
D.Gene
