Which of the following is not the characteristics of human wants ?
A.Some wants are complementary
B.Wants differ intensity
C.Wants are limited in number
D.Wants are satisfied for the time being and are, therefore recurrent
Category: Mechanical Engineering Mcqs
Darrieus type windmill______________?
A.requires less surface area as compared to Savonius type windmill
B.has two or three blades shaped like aerofoils
C.runs independently of the direction of the wind
D.all of the above
The major cause of unemployment in India is_________________?
A.under development
B.inadequate employment planning
C.rapid population growth
D.All of the above
If dross and slag along with the liquid metal reach the mould cavity they produce the defect known as_______________?
A. Misrun
B. Inclusions
C. Blow holes
D. All of the above
Slag and dross can be removed by ________________?
A.skimming from the molten metal
B.using bottom pouring ladle
C.using pouring basin in place of a pouring cup
D.any of the above
The general gas equation is_________________?
A.PV = RT
B.PV = mRT
C.PV = (RT)m
D.PVn = constant
E.PV = constant
Trimming is a process associated with ______________ ?
A.Forging
B.Electro plating
C.Press work
D.Machining of metals
E.Polishing of metals
Continue reading “Trimming is a process associated with ______________ ?”
Solder is an alloy consisting of _________________?
A.Tin, antimony and copper
B.Tin and copper
C.Tin and lead
D.Lead and copper
E.Copper and aluminium
Continue reading “Solder is an alloy consisting of _________________?”
Railway rails are generally made of __________________?
A.Deam mild steel
B.Mild steel
C.Medium carbon steel
D.High carbon steel
E.Alloys steel containing 0.8 to 0.9% carbon
Continue reading “Railway rails are generally made of __________________?”
In a two stage gas turbine plant reheating after first stage_____________?
A.increases thermal efficiency
B.decreases thermal efficiency
C.doesoes not affect thermal efficiency
D.none of the above
Continue reading “In a two stage gas turbine plant reheating after first stage_____________?”
