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The start or completion of task is called
an event
an activity
NONE OF THESE
a duration
The motion of a shaft in a circular hole is an example of
NONE OF THESE
successfully constrained motion
incompletely constrained motion
completely constrained motion
Carburising flame is used to weld
steel, cast iron, copper, aluminium etc
hard surfacing materials such as stellite
All of These
brass and bronze
Strain energy is the
energy stored in a body when strained upto the breaking of a specimen
proof resilience per unit volume of a material
maximum strain energy which can be stored in a body
energy stored in a body when strained within elastic limits
The motion of a wheel of a car is
purely translation
NONE OF THESE
combined translation and rotational
purely rotational
The process of heat transfer from one particle of the fluid to another by the actual movement of the fluid particles due to difference of density caused by temperature of the particle is known as
Conduction
Radiation
forced convection
free convection
The effect of setting a boring tool above centre height leads to
increase in the effective rake angle and a decrease in the effective clearance angle
increase in both effective rake angle and effective clearance angle
decrease in the effective rake angle and an increase in the effective clearance angle
decrease in both effective rake angle and effective clearance angle
A moderator, apart from its high neutron slowing power, and low non-productive neutron, should be
corrossion resistant
good thermal conductor
All of These
stable under nuclear radiation
A flow in which the quantity of liquid flowing per second is not constant, is called
unsteady flow
steady flow
Streamline Flow
turbulent flow
The draught produced by a steam jet issuing from a nozzle placed in the ashpit under the fire grate of the furnace is called
forced steam jet draught
chimney draught
induced steam jet draught
NONE OF THESE
The buckling load for a given column depends upon
All of the above
area of cross-section of the column
length and least radius of gyration of the column
modulus of elasticity for the material of the column
The largest diameter of an external or internal screw thread is known as
pitch diameter
NONE OF THESE
Major diameter
minor diameter
The velocity ratio for the first system of pulleys is(where n is the number ofpulleys.
)
n
2n - 1
N2
2n
The acceleration of a particle at any instant has two components
i.e. radial component and tangentialcomponent.
These two components will be
opposite to each other
parallel to each other
inclined at 45°
perpendicular to each other
For harder alloy steel, the point angle of the drill is kept
any one of these
equal to 118°
more than 118°
less than 118°
For 450 m head of water, __________ shallbeused
Kaplan turbine
NONE OF THESE
Pelton wheel
Francis turbine
Fouling factor is used
in heat exchanger design as a safety factor
in case of Newtonian fluids
when a liquid exchanges heat with a gas
None of the above
Moment of inertia of a triangular section of base
(b) and height (h) about an axis passing through its
C.G. and parallel to the base, is
bh3/12
bh3/4
bh3/8
bh3/36
The length of a second's pendulum is
100cm
94.9cm
101cm
99.4cm
Tool life is measured by the
All of the above
time the tool is in contact with the job
number of pieces machined between tool sharpenings
volume of material removed between tool sharpenings
1
2
86
171
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