The emission of an ?-particle causes the resultant nucleus to have
A.less atomic weight and less atomic number
B.less atomic weight and more atomic number
C.more atomic weight and more atomic number
D.more atomic weight and less atomic number
Category: Engineeeing Mcqs
Te dimensions of frequency are
A.T-1
B.L-1
C.L-1T-1
D.MLT
Group incentive is recommended for
A.assembly lines
B.research and development
C.office work
D.None of the above
Which of the following locomotive has the best acceleration characteristics?
A.Shunting engine
B.Steam engine
C.Electric engine
D.Diesel engine
Which of the following is the hardest material?
A.High speed steel
B.Stainless steel
C.Cemented carbide
D.Gold
E.Diamond
Welded link wheel chains are surface hardened to
A.increase shock absorption capacity
B.increase load carrying capacity
C.provide adequate wear life
D.all of the above
Tensile strength of common varieties of cast iron is in the range
A.40 – 50 M Pa
B.50 – 80 M Pa
C.140 – 500 M Pa
D.500 – 650 M Pa
E.650 – 1000 M Pa
The demand for luxuries is
A.constant
B.elastic
C.inelastic
D.fixed
Which reaction takes place in CO boiler of fluid catalytic cracking units?
A.2CO2 ? 2CO + O2
B.2CO + O2 ? 2CO2 + energy
C.CH4 + 2O2 ? CO2 + 2H2O
D.C2H4 + 3O2 ? 2CO2 + 2H2O
Freon type (halocarbons) refrigerants are
A.Poisonous
B.Irritating
C.Non-poisonous
D.Coloured
E.Have peculiar odour
