Related Questions

If 2 kg of metal, of which 1/3 is zine and the rest is copper , be mixed with 3 kg of metal, of which 1/4 is zinc and the rest is copper , then what will be the ratio of zinc to copper in the mixture?
A 17 : 43
B 13 : 42
C 19 : 43
D 15 : 42
If 2 kg of metal, of which 1/3 is zinc and the rest is copper s, be mixed with 3 kg of metal , of which 1/4 is zinc and the rest is copper , then what will be the ratio of zinc to copper in the mixture?
A 13 : 42
B 19 : 43
C 15 : 42
D 17 : 43
If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called
A Balanced beam
B Under reinforced beam
C Over reinforced beam
D None of the above
In a D.C. generator the magnetic neutral axis coincides with the geometrical neutral axis, when
A There is no load on the generator
B The generator runs on full load
C The generator runs on overload
D The generator runs on designed speed
In case of an under-reinforced beam, the depth of actual neutral axis is __________ that of the critical neutral axis.
A Same as
B Less than
C Greater than
D None of these
If Net Sales is Tk. 1,20,000. Net Profit is Tk. 48,000 and Average Asset is Tk. 150,000 then which of the following is the Net Profit Margin
A 40%
B 50%
C 55%
D 60%
Attention is most often focused on net exports because that figure measures the net effect of a nation's trade in goods and services with the rest of the world . In 2000, net exports were 5.8% of GNP and in 2005, they were 6.8% . If the information above
A Exports were greater than imports in 2005, but not in 2000.
B Exports increased from 2000 to 2005
C In 2005, the increased in Exports was nearly double of that in 2000.
D In 2000, net exports were gerater than in 2005.
A neutral atom with an atomic number of five has how many electrons?
A 1
B 5
C None
D Depends on the type of atom
A neutral atom is one with an equal number of protons and electrons.
A True
B False
As an atom absorbs energy, ........ increases and the atom is said to be excited.
A as its energy level
B it is energy level
C the energy level of it
D the energy level

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