Approximately how many kg of air are required for the combustion of one kg of diesel oil?
A.1 kg
B.5 kg
C.15 kg
D.25 kg
E.35 kg
Category: Engineeeing Mcqs
The percentage reduction of area during tensile test on a cast iron specimen may be
A.Negligible
B.5%
C.10%
D.25%
E.50%
The vacuum inside a incandescent lamp is of the order of
A.10-2 mm Hg
B.10-3 mm Hg
C.10-4 mm Hg
D.10-5 mm Hg
E.10-6 mm Hg
The fuel used in pit furnace is generally
A.Wood
B.Charcoal
C.Oil
D.Coal
E.Coke
For lubrication of which part of an automobile only grease is used
A.Transmission
B.Steering system
C.Axle drive
D.Tie rod
E.All of the above
The area of pv diagram for a Carnot cycle represents
A.Work done
B.Temperature drop
C.Enthalpy drop
D.Total heat supplied
E.Volume and pressure ratios.
The viscosity of the hydrocarbon liquids
A.remains unaffected with change in density
B.decreases with increase in density
C.increases with increase in density
D.none of the above
For zenith angle of 60? at sea level air mass is
A.0
B.1
C.2
D.3
Which of the following angles is aero at solar sunset?
A.Latitude angle
B.Hour angle
C.Solar zenith angle
D.Solar altitude angle
The desirable temperature of portable water is
A.zero degree centigrade
B.10?C
C.20?C
D.27?C
E.37?C
