Ammonia gas can be dried by
PCl5
Quick lime
CaCl2
Concentrated H2SO4
- One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C).…
- While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to __________…
- A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm2.
- An approximately __________ process exemplifies the flow of a gas through a very long pipe of uniform…
- What is the percentage of chromium in 18-4-1 high speed steel?
- Addition of __________ to steel does not help in improving its machinability.
- Load cells used for the measurement of weight has
- The best guide to judge the general quality of water is the measurement of its
- A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure…
- __________ is not a heat treatment process.
- Pick out the wrong statement.
- With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and __________…
- Name the safety device used to protect the boiler, when the water level falls below a minimum level.
- Hot dipping process is used for coating a low melting point metal (e.g. Pb, Sn, Zn) on iron, steel &…
- Cold chisel & hammers are made of
- Broaching tools are usually made of
- __________ is used for tying the steel columns to concrete foundation.
- Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is…
- A solar cell converts the sunlight directly into __________ energy.
- Copper deposits are found in India at the following location:
- Main constituent of bone ash is
- Annealing of white cast iron produces __________ iron.
- The dimensional formula of bulk modulus of elasticity is same as that of the
- Absolute zero pressure can be attained at a temperature of
- Unbreakable crockeries are made from __________ polymers.
- In chemical dehumidification process
- The friction factor for the turbulent fluid flow in a rough pipe does not depend upon the
- Hot extrusion of aluminium is done in the temperature range of __________ °C.
- Catalyst used in the catalytic converter employed in automobiles to convert CO into CO2 and for complete…
- Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.A.…