Which of the following does not discharge the dust collected as a dry solid?
Electrostatic precipitator
Wet scrubber
Bag filter
Gravity settling chamber
- Which of the following rays has the least wavelength?
- Addition of __________ to steel does not help in improving its machinability.
- The most commonly used moderator in nuclear power plants is
- Wrought iron is never shaped by
- Resilience of a bolt can be increased by increasing its
- Steel balls are manufactured by
- Highest cutting speed is achieved by the __________ tool material.
- Suitability of steel for its use in cable is judged by its strength in
- Globular form of cementite is formed during the __________ process.
- Alloys having more than 80% copper are generally more
- Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical…
- Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________…
- Pick out the wrong statement.
- Angular displacement can be measured suitably by a
- Glass reacts with
- Corrosion of metals cannot be prevented by its
- Which of the following is not a characteristic observed in material failure by fatigue fracture?
- Which of the, following is not associated with the functioning of a petrol engine?
- __________ stress cannot be sustained by a fluid in equilibrium.
- Pick out the wrong conversion of absolute & kinematic viscosities.
- Nickel and __________ are the alloying element added in steel to increase its toughness.
- Fatigue resistance of a material is measured by the
- In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular…
- Oxyacetylene reducing flame is used while carrying out welding on
- Projection welding & stud welding is categorised as the __________ welding.
- Aluminium is extracted from
- A jig is used while __________ a hole.
- Constituents of stellite are
- Encyclopaedia of Chemical Technology has been
- In a good rimming steel