Which of the following is not likely to disappear in the future generations of man:
A.Body hairs
B.Wisdom tooth
C.Ear ossicles
D.Ear muscles
Author: BILAL KHATTAK
When ammonia is the refrigerant, which of the following will be be the material for pipe through which refrigerant flows?
A.Copper
B.Aluminium
C.Brass
D.PVC
E.Cast steel or wrought iron
The highest voltage at which power is transmitted in India is
A.11 kV
B.33 kV
C.132 kV
D.400 kV
E.440 kV
The knocking in C.I. engine can be prevented if the first element of the fuel and air is having
A.low density
B.medium density
C.high density
D.none of the above
The deductions for Employees Provident Fund start
A.Immediately on joning the service
B.After one month of joining the service
C.After 120 days of joining of service
D.After 240 days of joining the service
E.After one year of joining the service
Equinox occurs when the sun is vertically above:
A.Tropic of Capticorn
B.Equator
C.Poles
D.Tropic of Cancer
The cell theory proposed by Schleiden and Schwann states that:
A.Cells are fundamental and functional unit of animals and plants
B.All cells are living
C.All cells have nuclei
D.None of these
The function of steel wire in a ACSR conductor is
A.to take care of voltage surges
B.to prevent corona
C.to reduce inductance and hence improve power factor
D.to provide additional mechanical strength
Just as strong is opposite of weak likewise elastic is opposite of
A.Hard
B.Soft
C.Rigid
D.Inelastic
E.Ductile
The boiling range of petrol is:
A.30 to 180?C
B.30 to 200?C
C.30 to 230?C
D.30 to 250?C
