The blades of a turbine are made of
A.Cast iron
B.Nickel alloy
C.Stainless steel
D.Alloy steel
E.High speed steel
Author: BILAL KHATTAK
Cows, bulls, buffaloes, houses and to a large extend:
A.Sheep and grazers
B.Camels and goats are browsers
C.Both (a) & (b)
D.None of these
With increase in pressure ratio, thermal efficiency of a simple gas turbine plant with fixed turbine inlet temperature
A.increases
B.decreases
C.first increases and then decreases
D.none of the above
_____________________ contains the green chemical called chlorophyll.?
A. Cytoplasm
B. Cell membrane
C. Chloroplasts
D. Vacuole
Internal combustion engine was invented by:
A.Hudson
B.Rudolf Diesel
C.James Watt
D.Nicolas Otto
Leadership and submission is fundamental to every
A.economic aggregation
B.social aggregation
C.political aggregation
Errors in forest inventory is / are:
A.Sampling error
B.Non-sampling error
C.Total error
D.All of the above
The first stage of research is
A.to collect data
B.to select problem
C.preparation of schedule of problem
D.None of these
The absolute viscosity of a fluid is a property which
A.is a function of the motion of the fluid
B.is independent of pressure and temperature
C.is a function of the shear stress in the fluid.
Which of the following is not true about social problem?
A.It is related to consciousness.
B.It is permanent in nature and character.
C.It is not similar for all societies.
