A type of flow in which the fluid particles while moving in the direction of flow rotate about their mass centre, is known as
A.Steady flow
B.Uniform flow
C.Laminar flow
D.Turbulent flow
E.Rotational flow
Category: Mechanical Engineering Mcqs
The weight of 1 cu-m of carbon dioxide at NTP if the characteristic gas constant is 19.28 kg metre/kg/?C, would be
A.1 kg
B.1.5 kg
C.1.962 kg
D.2.5 kg
E.3.924 kg
Scabs may be caused by
A.low permeability of sand
B.high moisture content of sand
C.intermittent running of molten metal over the sand surface
D.any of the above
Spring steel sections are originally applied in
A.Hardened condition
B.Hardened and tempered condition
C.Annealed condition
D.Carburized condition
E.None of the above
EXIM bank was established
A.to ensure quality goods
B.to promote exports
C.to finance small scale entrepreneurs
D.to finance sick industries
Machining allowance in case of die casting is
A.Large
B.Same as in other methods of casting
C.Small
D.Very small
E.Generally not provided
In a four stroke S.I engine the exhaust valve usually opens
A.At BDC
B.At TDC
C.35? to 60? after BDC
D.35? to 60? before BDC
E.10? to 20? before TDC
In an Ambassador car the number of forward gears provided is
A.2
B.3
C.4
D.5
E.6
The area under the load curve represents
A.System voltage
B.Current
C.Energy consumed
D.Maximum demand
E.Average demand
In which case the heat transferred from the air when compressed from 1 ata 15?C to 6 ata would be maximum
A.Adiabatic
B.Isothermal
C.Polytropic pv1.3 = C
D.Polytropic pv1.31 = C
E.Polytropic pv1.35 = C
