The doctor solution consists of sodium plumbite in
A.aqueous caustic soda
B.soda ash
C.water
D.ethanol
Category: Engineeeing Mcqs
A 20 number crucible
A.Will have capacity to melt 20 kg of copper
B.Will have internal diameter of 20 cm
C.Will have height of 20 cm
D.Can take 20 cc of molten material
E.Can produce castings of 20 kg only
The purpose of annealing is to
A.Induce hardness
B.Induce stresses
C.Harden the surface
D.Produce irregular microstructure
E.Remove stresses
In the electrical network analysis method the total radiation which leaves a surface per unit time per unit area is termed as
A.Radiosity
B.Irradiation
C.Flux
D.Spatial resistance
E.Potential
The sum of the solar altitude angle and the solar zenith angle is
A.90?
B.180?
C.0?
D.360?
Which of the following processes is used to manufacture petroleum coke?
A.Visbreaking
B.Delayed coking
C.Hydrocracking
D.Fluid catalytic cracking
The systematic evaluation of worker’s job performance and potential for development is called
A.Production
B.Human resource auditing
C.Appraisal
D.None of the above
The efficiency of a riveted joint is defined as the ratio of actual strength of the joint to that of solid plate. In this strength of the joint is considered in
A.Tension
B.Compression (bearing)
C.Shear
D.Least of (A), (B) and (C) above
E.None of the above
Stub tooth is
A.Standard gear tooth
B.Equivalent rack tooth
C.Longer than standard tooth depth
D.Shorter than standard tooth depth
E.Non-standard tooth
Engine oil is usually renewed after
A.24 km
B.100 km
C.500 km
D.100 km
E.2500 – 6000 km
