Addition of nickel to cast iron increases
A.hardness
B.corrosion resistance
C.tensile strength
D.all of the above
Category: Mechanical Engineering Mcqs
Generally steam turbines in power station operate at
A.3000 RPM
B.1500 RPM
C.1000 RPM
D.375 RPM
E.50 RPM
Which of the following contributes to indirect cost?
A.Training of workers
B.Overtime payment to workers
C.Depreciation of machinery
D.Cost of material
The main constituent of dynamite is
A.Sulphur
B.Potassium chlorate
C.Oxygen
D.Nitroglycerine
E.Sodium nitrate
The maximum temperature in an I.C. engine is of the order of
A.500-1000?C
B.1000-1500?C
C.1500-2000?C
D.2000-2500?C
E.2500-3000?C
The vapour pressure is related to the enthalpy of vaporization in
A.Clausius Clapeyron equation
B.Henry’s law
C.Raoult’s law
D.Maxwell’s equation
E.Dalton’s law
In laminar flow
A.Experimentation is required for the sirmplest flow cases
B.Newton’s law of viscosity applies
C.The fluid particles move in irregular and haphazard paths
D.The viscosity is unimportant
A rammer is
A.A tool used n welding for cleaning purpose
B.A tool used in press work to lift the pressed components
C.A tool used in powder metallurgy for shaping the mixture
D.A tool used in foundry to pack the sand in mould
E.A measuring tool
An eye bolt is generally provided on
A.Machine tools
B.Automobiles
C.Cranes
D.Furnaces
E.Electric motors
For faultless operation of hydraulic braking system
A.Brake fluid should be pure
B.Boiling point of brake fluid should be high
C.Viscosity of brake fluid should be high
D.There should be minimum amount of trapped air
E.All of the above
