Mass loss of 0.1364 amu is observed in the synthesis of 0-16 nucleus from its components. The binding evergy of 0-16 nucleus is about
A.0.1364 MeV
B.50 MeV
C.112 MeV
D.127 MeV
Category: Chemical Engineering Mcqs
In a most stable element the the number of protons and the number of neutron is
A.even-even
B.even-odd
C.odd-even
D.odd-odd
For all substances the absorptivity must lie between
A.0 and 0.1
B.?1 and +1
C.?0.5 and + 0.5
D.0 and 1
E.0 and + 0.5
The rate constant of a reaction increases by
A.increasing the concentration of reactants
B.increasing the pressure
C.increasing the temperature
D.carrying out the reaction for a longer time.
Which of the following has maximum tensile strength?
A.White cast iron
B.Grey cast iron
C.Pig iron
D.Nodular cast iron
The bulb of a vapour pressure thermometer is a
A.primary element
B.secondary element
C.manipulating element
D.functioning element
In the design of grit chambers
A.temperature is an important factor
B.the maximum velocity of flow is 1 ft/s
C.the detention period should be at least 30 min
D.there should be a 5 to 1 ration of length to depth
The half-line period of a first-order reaction (t1/2) and the rate constant (k) are related by
A.t1/2 = k
B.t1/2 = 2.303/k
C.t1/2 = 0.693/k
D.t1/2 = 7.67/k
