All NH3 synthesis catalysts are based on iron oxide promoted by
A.SiO2
B.K2O (1-2%)
C.ZnO
D.V2O5
Category: Engineeeing Mcqs
The point of contraflexure occurs in
A.Simply supported beams only
B.Cantilever beams only
C.Continuous beam only
D.Overhanging beams only
E.All types of beams
Standing orders are certified by
A.Management
B.Workers
C.Workers union
D.Management and workers union
E.Certifying officer of government
Surface tension has the dimensionss
A.FL-2
B.FL
C.F-1 L3
D.FL-1
Centrifugal blowers can supply
A.Large volumes of air at low pressures
B.Large volumes of air at high pressures
C.Small volumes of air at high pressures
D.Small volumes of air at low pressures
E.None of the above
The bad smell due to decomposition of sewage, on account of the action of bacteria, is mainly due to the presence of
A.Dead bacteria
B.Oxygen
C.Carbondioxide
D.Hydrogen sulphide
E.None of the above
The function of a chip breaker in a cutting tool is
A.To provide smooth path for long chips
B.To get long curled chips
C.To break the chips into short segrments
D.To remove chips from bed
E.None of the above
The atomic number of a certain element is 83. An atom of this element must contain
A.42 protons and 41 electrons
B.83 neutrous
C.1 neutron, 41 electrons and 41 protons
D.83 electrons
E.None of the above is valid
Which of the following petroleum products has minimum ?API?
A.Gasoline
B.Furnace oil
C.Light diesel oil
D.High speed diesel oil
Continuous beams are
A.Stronger and much stiffer than simple beams
B.Weaker and less stiffer than simple beams
C.Subjected to excessive shear strain
D.Withstanding double the maximum bending moment on simple beams
E.None of the above
