Micro-structure of a material is generally examined by
A.Naked eye
B.Microscope
C.Optical microscope
D.X-rays and electron diffraction
E.Spectroscope techniques
Category: Mechanical Engineering Mcqs
When the trees are to be planted by the road side the minimum distance from the out edge of side width should be
A.0.5 to 1 metre
B.2 to 3 metres
C.5 to 8 metres
D.12 to 15 metres
Acid used in automobile battery is
A.Hydrochloric acid
B.Hydrofluoric acid
C.Dilute nitric acid
D.Concentrated nitric acid
E.Sulphuric acid
Dragline is generally used for
A.excavation
B.pushing
C.dragging
D.Any of the above
In the above problem work done is equal to
A.180 kcal
B.130 kcal
C.150 kcal
D.100 kcal
E.80 kcal
The crystal structure of alpha iron is
A.BCC
B.FCC
C.HCC
D.Cubic
E.None of the above
In a Diesel engine the duration between the time of injection and the time of ignition is called
A.Spil cut off
B.Delay period
C.Period of injection
D.Period of ignition
E.None of the above
Which of the following is scattered the most by air molecules? Waves with a wavelength of
A.0.5 micron
B.0.6 micron
C.0.7 micron
D.0.8 micron
Calorific value of methane gas can be determined by
A.Bomb calorimeter
B.Bunsen’s apparatus
C.Orsat’s apparatus
D.None of the above
