18701. The object of producing the draught in boiler:
18702. Reaction of __________ acid with phosphate rock produces superphosphates.
18703. The efficiency of a boiler plant----------with mechanical draught:
18704. Reaction of nitric acid and sulphuric acid with phosphate rock produces
18705. Venturimeter is used to:
18706. In the manufacture of orthophosphoric acid by strong H2SO4 leaching wet process, keeping the reactor temperature above 100°C, results in the formation of undesriable
18707. The property of a material which allows it to be drawn into smaller section is called:
18708. Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by
18709. Kinematic viscoisity is the:
18710. Bio-fertilisers are cheaper, renewable and pollution free. They improve the __________ of the soil.
18711. Which thermodynamic law provide the basis of temperature measurement?
18712. Plant tranquillisers
18713. In one dimensional flow,the flow:
18714. Dehydration of ammonium carbamate to yield urea is a/an __________ reaction.
18715. A cylindrical section having no joint is called:
18716. Triple superphosphate which contains about 46% P2O5 is produced by the reaction of phosphate rock with ortho phosphoric acid of____percent concentration.
18717. The resilience of a material is considered when it is subjected to:
18718. NPK means a __________ fertiliser.
18719. According to Darcy’s formula loss of head due to friction in a pipe is:
18720. Low grade phosphate rock can be used in electrical furnace, because
18721. Which of the following has no unit?
18722. Fertiliser produced during soda ash manufacture by dual process is ammonium
18723. The ratio of work done per cycle to the stoke volume of the compressor is known as:
18724. In an ammonia plant, the purge off is essential to
18725. The maximum bending moment due to moving load on a simply supported beam,occurs:
18726. Which of the following fertilisers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits ?
18727. The characteristic equation of gas is
18728. Which of the following solvents is used for the extraction of H3PO4 from CaCl2 solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching?
18729. The mechanical efficiency of an impulse turbine is:
18730. A mixture of phosphate rock __________ is heated in an electric furnace to produce phosphorous.
18731. Specific heat is the amount of heat required to rise the temperature:
18732. An increase in the NH3/CO2 ratio in urea manufacture results in
18733. Pulverised coal is:
18734. A fertiliser plant is classified as a gas based fertiliser plant, when it uses __________ gas as a source of hydrogen for the manufacture of ammonia.
18735. The LP(indicated power)of an engine is always------------- the brake power.
18736. Fertilizer plant getting its hydrogen requirement partly from coke oven gas is situated at
18737. Volumetric efficiency is the ratio of:
18738. Nitrogen content of a nitrogenous fertiliser is 35%. It could be
18739. Water hammer is developed in a :
18740. Catalyst used in the oxidation of ammonia is
18741. The time for half amount of radio active isotope to decay is known as:
18742. P2O5 percentage in the phosphoric acid produced by wet process is about
18743. Acme thread has-degree angle.
18744. Ammonia synthesis gas is produced from fuel oil by
18745. As steam expands in turbine:
18746. Though kinetics of ammonia synthesis dictates the use of low temperature for high equilibrium conversion, yet it is kept moderately high (550°C), because at low temperature
18747. pvn=constant.It is the relation for polytrophic process,if n-0 then the process become:
18748. Iron is not used alone as a catalyst in ammonia synthesis, because
18749. Which of the following enters to the super heater of a boiler?