The specific heat of saturated water vapour at 100?C is
A.zero
B.positive
C.negative
D.infinity
Category: Engineeeing Mcqs
A hollow sphere with uniform interior temperature and a small hole behaves very nearly as a
A.Grey body
B.White body
C.Opaque body
D.Transparent body
E.Black body
Free air is air at
A.Atmospheric conditions at any specific location
B.1 kg/cm2 and atmospheric temperature
C.1 kg/cm2 and 0?C
D.1 kg/cm2 and 20?C
E.1 kg/cm2 and 27?C
The nucleus of an atom consists of
A.protons only
B.protons and electrons
C.protons and neutrons
D.protons neutrons and electrons
Stainless steel Bourdon tube pressure gauge joints are usually
A.Soldered
B.Brazed
C.Welded
D.Screwed
E.Adhesive jointed
One of the products formed by combustion of the hydrocarbon fuels is water which is in the
A.solid state
B.liquid state
C.gaseous state
D.solid liquid and gaseous states
When the declining-balance method is used
A.the annual depreciation cost is a fixed percentage of the property value at the beginning of the particular year
B.the annual cost for depreciation is same each year
C.the value of the asset can decrease to zero at the end of the service life
D.the value of the asset decreases linearly with tiime
Which of the following temperature is highest.
A.Melting point of gold
B.melting point of silver
C.melting point of steel
D.None of the above
The range of compression ratio in a gas turbine is
A.3 to 6
B.5 to 8
C.8 to 12
D.12 to 22
A wheel 8 mts in diameter coasts to rest from a speed of 800 rpm in 10 minutes. Its angular deceleration is
A.809 rad/min2
B.308/min2
C.502 rad/min2
D.683 rad/min2
