For a gas the difference between the values of Cp and Cv aceounts for
A.external work done
B.increased kinetic energy of molecules
C.increase in volume is more rapid as compared to that of pressure
D.None of the above
Category: Mechanical Engineering Mcqs
Which one of the following factors does not provide funds for the mortgage market?
A.Mutual funds
B.Mutual savings banks
C.Pedsion funds
D.Commercial banks
Which of the following is the major source of environmental pollution in urban areas?
A.Rolling mills
B.Power plants
C.Automobiles
D.Floor mills
E.Electronic industries
The most injurious components of automobile exhaust for environment are
A.Carbon monoxide and Carbon dioxide
B.Carbon monoxide and lead
C.Ethylene dichloride and ethylene dibromide
D.Carbon dioxide and Sulphur dioxide
Nitrocellulose cement is used with strain gauge as
A.Base material
B.Carrier
C.Adhesive
D.Lead
E.None of the above
The string efficiency in an ac system is
A.Zero
B.25%
C.50%
D.70.70%
E.100%
The phenomenon of ‘weld decay’ is associated with
A.Cast iron
B.Manganese steels
C.Aluminium alloys
D.Brass
E.Stainless steels
When fully charged, the terminal voltage per cell for a battery is
A.1.5 volts
B.1.7 volts
C.2.7 volts
D.6 volts
E.12 volts
In case of a Petrol engine, the spark plug should produce the spark
A.exactly at the end of compression stroke
B.slightly before the end of compression stroke
C.slightly after the end of exhaust stroke
D.none of the above
Air resistance to a car at 20 kmph is R. The air resistance at 40 kmph would be
A.R
B.2 R
C.4 R
D.R2
E.4R2
