33601. Which of the following constituents of coal is the most important in the production of coke?
33602. The number of metal meta bonds present in ‘Cu_2’’(RCOO)_4’.’2H_(2)o’
33603. High temperature in gasification of coal favours
33604. Which of the following is used as an anaesthetic?
33605. Which of the following pairs has the highest difference in their first ionization energy?
33606. Stack heat losses can be minimised by
33607. The ligand in chromocene
33608. Calculate the number of micro states for 5 identical paricles with their occupation numbers(1,2,3)in three states
33609. Laboratory gas is obtained by the cracking of
33610. The aggregation of surfactant molecules is known as
33611. Bituminous coal
33612. In the Lindmann mechanism of uni molecular reactions,the observed order at very high pressure is
33613. Ratio of primary air to secondary air increases with increase in the rank of coal, because the
33614. Which of the following is not a fermion?
33615. A coal having high amount of volatile matter
33616. An aqueous solution of NaCl and HCl is exactly neutralized by an aqueous NaOH solution.The number of components in the final mixture is
33617. Carbon Content by weight in air dried wood may be about __________ percent.
33618. The inter planar distance (A0)for a(100)plane in a cubic structure with the lattice parameter of 4A0 is
33619. Which of the following accentuates clinker-ing trouble on furnace grate burning coal ?
33620. The heterocyclic ring present in the amino acid histidine is
33621. Natural draught produced by a chimney depends upon the
33622. The biosynthetic precursor of cholesterol is
33623. Gross & net calorific value is the same for
33624. In the IR spectrum,the absorption band due to carbonyl group in phenyl acetate appears at
33625. Higher percentage of ash in coal meant for the production of metallurgical grade coke
33626. The compound that will behave as an acid in liquid HF is
33627. Combustion of pulverised coal as compared to that of lump coal
33628. Among the oxidesofnitrogen’N_(2)”0_(3)’,’N_(2)”O_(4) and ‘N_(2)”O_(5)’,the compound(s)having N-N bond is/are
33629. 'Wobbe index' is a characteristic of
33630. A triclinic crystal is
33631. A coal with high ash content is undesirable, as
33632. The liquid crystals have
33633. Presence of free moisture in coal during its high temperature carbonisation
33634. X-ray diffraction does not give any structural information for
33635. Gray King Assay and Swelling Index of a coal is a measure of its
33636. Among the following,an example of a green synthesis is
33637. Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent.
33638. Monosaccharide is not react with
33639. Prime coking coal is always blended with medium or non- coking coal before ear-bonisation
33640. Select the polar aprotic solvent from the following
33641. Actual flame temperature is always lower than the adiabatic flame temperature, because there is
33642. A book printed before 1501 is known as:
33643. Delhi Library Association is the publisher of:
33644. Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because
33645. Documentation Research and Training Centre is located at:
33646. In which year the Kerala Granthasia Sangam was formed?
33647. Which of the following is the most reactive (as regards the formation of CO + H2 from C + H2O) ?
33648. International Institute of Bibliography(IIB)was the initial name of:
33649. Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg.
33650. Library of Congress was founded in the year:
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