For the chemical rection A ? B, it is found that the rate of the reaction quadruples when the concentration of A is doubled. If rate ? CAn, what must n be?
A.1?4
B.1
C.2
D.4
Category: Engineeeing Mcqs
The angular velocity of seconds hand of a watch is
A.0.1047 sec-1
B.0.01745 sec-1
C.0.001745 sec-1
D.0.0001745 sec-1
E.0.00001745 sec-1
The capillary rise or depression in a small diameter tube is
A.directly proportional to the surface tension
B.inversely proportional to the surface tension
C.directly proportional to the diameter of the tube
D.inversely proportional to the diameter of the tube
The process of polymerisation is associated with
A.Cast iron
B.High speed steel
C.Non-ferrous material
D.Non-metallic materials
E.Thermo-plastic
Smoking tendency of hydrocarbons of same carbon atoms present in kerosine is maximum for
A.Isoparaffins
B.Naphthenes
C.Aromatics
D.Paraffins
Wavelength is generally measured in
A.km
B.m
C.cm
D.mm
E.microns
Contribution of a growing production to economic growth consists in what is
A.Adds to consumption
B.Adds to production minus what it takes away from the national product in the form of consumption
C.Adds to saving and investment
D.Adds to reproducible resources
E.None of the above
For a fact be considered as information, it must relate to a thing or circumstance and be:
A.Quantitatives
B.Relevant
C.Objective
D.Added knowledge
E.All of the above
The numerical values of Young’s modulus of clasticity in ascending order for Aluminium, Bronze, Brass, Inconel and Muntz metal are given by
A.Muntz metal, Brass, Aluminium, Bronze, Inconel
B.Muntz metal, Aluminium, Bronze, Brass, Inconel
C.Inconel, Muntz metal, Aluminium, Bronze, Brass
D.Aluminium, Bronze, Muntz metal, Inconel, Brass
E.Aluminium, Bronze, Brass, Muntz metal, Inconel.
Which of the following standard can be used for defining length?
A.Bar standard
B.End standard
C.Light wave standard
D.Any of the above
E.None of the above
