For aluminium alloys grain refinement can be achieved using
A.titanium
B.boron
C.zirconium
D.any of the above
Category: Mechanical Engineering Mcqs
In case of paper money the face value is
A.less than its intrinsic value
B.more than its intrinsic value
C.same as its intrinsic value
Key normally used in wrist watch is
A.Kenned key
B.Sunk key
C.Tangent key
D.Woodruff key
E.None of the above
Phosphor bronze Bourdon tube can be used of pressures upto
A.5 kg/cm2
B.10 kg/cm2
C.15 kg/cm2
D.70 kg/cm2
E.170 kg/cm2
Which of the following is incorrect with reference to work study?
A.Normal time = Representative time + Rating factor
B.Normal time = Representative time x Rating factor
C.Standard time = Normal time
D.Standard time = Normal time x Allowances
Tan ? can be greater than
A.Highly rough surfaces
B.Rough surfaces
C.Smooth surfaces
D.Polished surfaces
E.Tan ? can never be greater than
Kind of tools used to undercut corners on a job that is to be hardened and ground is
A.Parting tool
B.Roundnose tool
C.Vee shaped tool
D.Knurling tool
E.Form tool
A monopolist can charge a high price only for those commodities which have
A.elastic demand
B.inelastic demand
C.no demand
In arc welding as the thickness of the material to be welded increases, the welding current requirement
A.Increases
B.Decreases
C.Does not change
In measurements using two strain gauges, the purpose of dummy strain gauge is
A.To unllify the errors due to temperature
B.Improve stability of the measuring system
C.Measure lateral strain
D.Increase the sensitivity of measuring system
