A ductile fracture is characterized by
A.Rapid rate for crack propagation
B.Negligible deformation
C.Fragmentation into more than two pieces
D.Appreciable plastic deformation prior to propagation of crack
E.None of the above
Category: Engineeeing Mcqs
The maximum temperature in a gas turbine is of the order of
A.700?C
B.1000?C
C.1500?C
D.2000?C
E.2500?C
A pirani gauge is used to measure
A.Pressures above 100 kg/cm2
B.Pressure upto 100 kg/cm2
C.Atmospheric pressure
D.Very low pressures
E.All pressures
The viscosity of a gas
A.increases with increase in temperature
B.decreases with increase in temperature
C.remains unaffected with change in temperature
D.is greater than the viscosity of a liquid
Preheating of material to be welded is necessary in case of
A.Carbon steel
B.Stainless steel
C.High speed steel
D.Cast iron
E.Non-ferrous materials
Improving the work force overtime is the aim of
A.Recruitment
B.Selection
C.Human resource planning
D.Placement
E.Human resource auditing
Chain reaction is 92U238 will decrease if
A.its mass exceeds critical mass
B.its mass is just equal to critical mass
C.its mass is less than critical mass
D.all of these answers.
Capillarity is due to
A.Cohesion
B.Adhesion
C.Adhesion and cohesion
D.Molecular structure
E.Gravity
Which of the following space needs maximum number of air changes per hour?
A.Assembly halls
B.Restaurants
C.Bed-rooms
D.Class rooms
