Two forces of 6 and 8 kg act at right angles to each other, the resultant force will be
A.10
B.28
C.41
D.14
E.100
Category: Engineeeing Mcqs
A monopolist makes maximum profits when
A.Prices are high
B.Production is maximum
C.Marginal cost is equal to marginal revenue
D.Sales are high
E.Buyers buy less
A reaction which proceeds with evolution of heat is called
A.thermo-nuclear reaction
B.endothermic reaction
C.exothermic reaction
D.photochemical reaction
Blow holes in castings are due to
A.high moisture content of the sand
B.low permeability of sand
C.excessive fine grains and gas producing ingredients
D.any of the above
Spring steels should have high resistance to
A.Shocks
B.Fatigue
C.Corrosion
D.Deformation
E.All of the above
The specific heat of a perfect gas is a function of
A.temperature only
B.temperature and pressure only
C.temperature and entropy only
D.temperature, pressure and entropy only
Steel may be manufactured by
A.Bessemer process
B.Open hearth process
C.Cementation process
D.Duplex process
E.Any of the above
As a result of blade friction, the outlet relative velocity of impulse turbine compared to inlet relative velocity is
A.Nearly same
B.2% less
C.10% – 15% less
D.30% less
E.50% less
The power requirement in case of a screw conveyor depends on
A.material to be handled
B.rate of transportation
C.length of conveyor
D.all of the above
In thermodynamic analysis, a pure substance is that which
A.consists of only a single chemical species
B.May have a number of chemical species that the composition remains constant
C.has no dissolved impurities
D.behaves as perfect gas
