If the Mach number of a flow is 3 the flow is known as
A.Super-supersonic
B.Supersonic
C.Sonic
D.Sub-sonic
E.None of the above
Category: Engineeeing Mcqs
Differential gear box oil is usually renewed after
A.1000 km
B.2500 km
C.6000 km
D.2500 – 6000 km
E.10000 – 20000 km
Cores are made from core sand mixed with the binder which may be
A.linseed oil
B.turpentine
C.cement
D.none of the above
The highest voltage at which the power is transmitted in India is
A.33 kV
B.66 kV
C.132 kV
D.220 kV
E.400 kV
A sterling cycle consists of
A.Two isothermal and two adiabatic processes
B.Two adiabatic and two isentropic processes
C.Two adiabatic and two constant pressure processes
D.Two constant volume and two constant pressure processes
E.Two isothermal and two constant volume processes
The number of links in a pantograph is equal to
A.3
B.4
C.5
D.6
E.7
Which of the following plant is suitable for peak load?
A.Diesel engine plant
B.Steam power plant
C.Nuclear power plant
D.Hydro-electric power plant
E.All of the above
Pattern draft for internal surfaces is (in mm/m)
A.10 — 30
B.40 – 70
C.50 – 80
In a car, transmission losses will be minimum in
A.Direct gear
B.First gear
C.Second gear
D.Third gear
