In cast irons
A.Impact strength is high
B.With static loading the strength in tension is higher than that in compression
C.With static loading the strength in tension is lower than that in compression
D.(A) and (B) above
E.(A) and (C) above
Author: BILAL KHATTAK
A wound watch spring possesses energy in the form of
A.Potential energy
B.Kinetic energy
C.Spring energy
D.Mechanical potential energy
E.Both potential and kinetic energy
A recessive gene for resistance to disease can be transferred from one parent to another using:
A.Pureline selection
B.Backcross breeding
C.Pedigree method
D.Buld method
Synonym of WARY is _____________??
A. Heedless
B. Negligent
C. Prudent
D. Reckless
Max Weber died in
A.1820
B.1920
C.1925
The vapour pressure of liquid
A.remains unaffected with change in temperature
B.decreases with increase in temperature
C.increases with increase in temperature
D.increases linearly with increase in temperature.
Common features of tracheae of cockroach and rabbit is that both:
A.Have crtilagenous rings
B.Have no-collagsible walls
C.Are paired and branched
D.Are endodermal in origin
A person belonging to sea-level town migrates to high altitude of about 8000 feet then his blood after 15 days will show:
A.Greater number of RBCs and more Hb
B.Increase in his blood volume
C.Reduction in number of RBCs
D.Increase in number of WBCs
Magnifying power of electron microscope as compared to eye is____________??
A. 500 X
B. 250000X
C. 500000X
D. 250X
Which of the following metals has high tendency to get work hardened?
A.Brass
B.Silver
C.Copper
D.Lead
E.Aluminium
