With electronic circuits the accuracy that can be expected from scanners will lie in the range of
A.0.1 to 1%
B.5 to 10%
C.10 to 17.5%
D.20 to 25%
E.25 to 50%
Category: Engineeeing Mcqs
Of the following, which one is not a factor that would result in economics of scale?
A.More efficient use of the firm’s plant
B.More efficient use of the firm’s by products
C.More specialisation and division of labour
D.Lower borrowing cost when the firm borrows
A cycle which consists of two adiabatic and two constant volume processes is known as
A.Otto cycle
B.Stirling cycle
C.Diesel cycle
D.Carnot cycle
If engines of different horse power, rpm, cylinder dimensions are to be compared for their performance, the parameter of comparison could be
A.Unit speed
B.Fuel consumption
C.Specific speed
D.Mean effective pressure
E.Exhaust temperature
Which of the following is not a source of power?
A.Solar cell
B.Photoelectric cell
C.Photovoltaic cell
D.Thermo-couple
In alkylation processes olefins react with
A.normal paraffins
B.isoparaffins
C.naphthenes
D.aromatics
What is the explosive range for hydrogen
A.4.1 to 74.2 %
B.5.3 to 14.0 %
C.3.2 to 12.5 %
D.2.1 to 9.4 %
Out of the following refrigerants which one will provide highest compressor displacement per tonne of refrigeration in a vapour compression system operating between fixed temperatures
A.Ammonia
B.Freon 11
C.Freon 12
D.Freon 22
E.Carbondioxide
Electronic structure of a material is generally studied by
A.Naked eye
B.Microscope
C.X-ray and electron diffraction
D.Spectroscope techniques
E.Mossbauer studies
Hydrogen peroxide is concentrated by
A.distillation at atmospheric pressure
B.crystallization
C.dehydration
D.vacuum distillation
