Which of the following fastening devices has a head at one end and a nut fitted to the other?
Bolt
Stud
Top bolt
None of these
Correct Answer :
B. Stud
Related Questions
Laser is a device to produce
Gamma rays
Microwaves
A beam of white light
A beam of coherent light
During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional to
Time
Square root of time
Square of time
Cube of time
A thin, flat & square plate measuring 2 m × 2 m is freely hanging in ambient air at 25°C. It is exposed to the solar radiation falling on one side of the plate at the rate of 500 W/m2. The plate temperature will remain constant at 30°C, if the convective heat transfer co-efficient is __________ W/m2 °C.
50
100
150
200
Which of the following heat treatment processes is usually applied to castings?
Tempering
Annealing
Normalising
Carburising
Desalination of water
Makes it potable
Makes it non-potable
Means distillation of water
None of these
The trace metal present in insulin is
Cu
Zn
Fe
Ni
The value of 
for air & most common gases can be safely assumed to be
0.8
1
1.4
1.8
Factor of safety in machine design is defined as the ratio of ultimate stress to __________ stress.
Working
Bearing
Yield
None of these
Laser welding is widely employed in the __________ industries.
Electronic
Structural
Process
Heavy
Age hardening is connected with
Babbitt metal
Gun metal
Stainless steel
Duralumin
Pressure exerted by a liquid depends upon its
Surface tension
Density
Viscosity
Buoyancy
LVDT used for displacement measurement is a/an __________ transducer.
Passive
Active
Capacitive
None of these
at 1173E; at equilibrium, what will be the number of moles of CO gas required to reduce one mole of 
at 1173 K?
1.0
1.3
2.3
3.3
Fibre reinforced plastic (FRP) are
Made of glass fibre and thermoplastic resins
Anisotropic
Made of thermosetting resin and glass fibre
Both 'b' & 'c'
CANDU type nuclear reactor using natural uranium as fuel is the extensively used nuclear reactor because of the fact that the
Specific fuel consumption is very low due to the use of heavy water
Fuel cost is much lower than that used in pressurised water or boiling water reactor
Heavy water is used both as coolant as well as moderator
Both 'b' & 'c'
In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer will be
Conduction
Radiation
Natural convection
Forced convection
Biological shield in a nuclear reactor is generally provided to protect against the
α-rays
β-rays
Gamma rays & neutrons
Electrons
Pick out the wrong statement.
Seam welding, projection welding & spot welding are the classification of electrical resistance welding
Electrode tip in spot welding is of copper and the tip diameter should be equal to t (where, t = plate thickness to be welded)
In spot welding, two pieces to be joined are overlapped and placed between two electrodes
Mild steel sheet cannot be spot welded
In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material?
Tin
Lead
Zinc
Glass
Gantt charts are used for streamlining the
Inventory control
Production schedule
Sales forecasting
Quality control
Which of the following approaches the ideal gas behaviour most closely?
Wet steam
Saturated steam
Superheated steam
Saturated water
Thermal conductivity of a material does not depend upon its
Mass
Volume
Surface area
All 'a', 'b' & 'c'
The thickness of oxide film is y at time t. If 
are the temperature dependent constants, the parabolic law of oxidation is given by
Brazing filler metal used for joining steel plates
Melts below the melting points of base metals
Melts below 300°C
Is copper phosphorous alloy
Is copper
Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.
Creep
Fatigue
Endurance
Tensile
Screws are specified by their __________ diameters.
Minor
Major
Pitch
None of these
Brittleness induced due to the presence of sulphur in steel can be reduced by adding
Manganese
Magnesium
Vanadium
Copper
Calorific value of __________ are almost same.
Lignite & anthracite coal
Lignite & coal gas
Petrol & diesel
Coal gas & natural gas
As the fluid flow rate increases, the float of the Rotameter
Rises in the tube
Rotates at higher speed
Rotates at lower speed
Drops down in the tube
The cathode in an electrochemical cell always carries
Negative charge
Positive charge
Zero charge
Positive or negative charge depending upon the nature of the cell