In physiological considerations the resistance to in insecticides may be developed due to:
A.Conversion of toxicant to non-toxic metabolites
B.Excretion of toxicant
C.Storage of the toxicant
D.All of the above
Author: BILAL KHATTAK
Which act provides for medical care of workmen?
A.Industrial Disputes Act
B.Workmen’s Compensation Act
C.Employees State Insurance Act
D.Employees Provident Fund Act
E.All of the above
Compared to air helium is preferred for solar Brayton cycles because
A.of higher cycle efficiency
B.it has high heat transfer capability
C.it is inert
D.all of the above
The temperature of a gas is a measure of
A.the average kinetic energy of the gaseous molecules
B.the average distance between the molecules of the gas
C.The average potential energy of the molecules
D.None of the above
Total installed cost of a centrifugal pump coupled with drive and capable of developing 1000 ft head at 500 gpm is to be calculated using Rs. 55000 as the cost of a pump of 500 ft head at 1000 gpm. The cost estimation method involves the term capacity which will be taken as (gpm)x (head)y where
A.x = 1 y = 2
B.x = 1/2 y = 1
C.x = 2 y = 1
D.x = 1 y = 1
The critical temperature of carbondioside is 31.1?C. If the room temperature is 34.7?C, then carbondioxide at room temperature is
A.gas
B.wet vapour
C.vapour
D.superheated vapour
Low thinning or ordinary thinning is:
A.Trees are removed from the lower crown classes
B.In the lighest grade of low thinnings only the suppressed trees would be removed
C.Both (a) & (b)
D.None of these
Which is not true of non-fraternal polygamy?
A.In it biological basis of fatherhood are not important.
B.Parents of new born baby are elected.
C.New born baby is supposed to be the son of the eldest brother.
The chief cause of accelerated erosion is:
A.Excessive rains
B.Wind storms
C.Overfelling and overgrazing
D.All of these
